2.5L upgrade by Scoobymania
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2.5L upgrade by Scoobymania
I've put a post up with the mob I kick around with (WYIOC) but thought it only fair to add something for the wider community in the interests of sharing information for anyone who may wish to do something similar...
In April this year my warranty was up on my MY02 STi Type UK. I'd already done the basics to make it a very well sorted car (AP Racing brakes, Prodrive Springs, TSL Remap). At 330ish BHP, good handling and top track day brakes I was very happy with the car.
Problem was (and I figure this happens to alot of people on here) I couldn't help the nagging voice at the back of my head "now the warranty is up go play"
Having thought long and hard about it and studying alot of posts on Scoobynet (hence the reason for putting back in the pot) I drew up the following plan:
1) I wanted a future proof upgrade to support 800ish+ BHP if I chose to go that far without massive rebuild costs.
2) I wanted the car with approx 500ish BHP on day one since my main initial aim is to have a "beefed" up daily driver rather than a straight line special.
3) To find an outfit that could deliver both of the above to a very good build quality since I'm not an "under the bonnet DIY enthusiast" (checking the tyres and oil is about as far as I go!)
I'd seen enough Scoobs at RWYB events, Scooby Shootout and TOTB to realise that high power, "straightline specials" are prone to blowing up (and massive heartache) and practically undriveable as everyday cars on the roads since they have fairly big lag with all the power at the top-end.
Given this I realised pretty quickly that the spec was going to awkward. After alot of searching around on here I came upon Scoobymania. I could tell straight away they were doing one of the key things I was looking for - listening! It would be all to easy for any outfit to nod, say yes and hand me back something I didn't ask for.
After initial discussions, they recommended a 2.5L rebuild (for a base platform with better torque) with all the internals custom made for strength. The next major component was the Turbo. Exactly in line with my 2 requests they went for a mid-range Garret Turbo that spools up very quickly. The build has been done so that I can move up and down the Garret Turbo range without major engine rebuild costs! Next was the cooling and exhaust systems. Lastly was the GEMS ECU and mapper (Steve Simpson).
A further example of listening was the choice of clutch. The best solution for high power would have been a racing clutch but I want a "daily driver" so a compromise was chosen - much stiffer than normal but easy once you get used to it.
So what were the results? Since getting the car back in November I've tried hard to summarise when asked by people what I think...
The best way to explain it is that the car is exactly what I asked for (500 BHP/Torque) and drives so smooth that you'd be fooled into thinking it rolled out of a factory this way. Every aspect of the build has been wholly owned by Scoobymania to give me back a car that is as easy to drive in traffic as ever it was but when I want to play, well put it this way: Each time I've had an opportunity to play in this weather (rare) it's never failed to put the hairs up on the back of my neck and make any passenger with me either giggle like a girl or shriek like a banshee!! I've still not even booted it in 1st or 2nd gear yet!
I cannot express how impressed I am with Scoobymania. The power delivery is so smooth and useable plus I've got the knowledge that should I want to go ballistic, it's a turbo change and remap not some bank crippling rebuild. The chaps really care about each car and what the owners think. They gave me the car back to run the engine in before it was mapped - why? To get a list of niggles together so they could pro-actively fix anything and everything whilst doing final mapping with Steve. They even name each one of their babies - mines the 1F5
I've not had a single problem and the car has never missed a heart beat. If anyone else is looking for something similar (or I suppose something very different!) I cannot recommend Scoobymania enough for listening and attention to detail on the build. At least give them a phonecall (0115 985 9555) and compare what they say. I've no doubt in my mind that you'll be impressed!!
Sorry the car isn't clean on the photos but I figured something was better than nothing. BTW, I've been asked this already so I'd best mention I wanted the car to look as standard possible i.e. not to stand out or be a "show car". Hence the lack of chrome under the bonnet and lack of stick on bits to the bodywork. No offence to anyone on here, it's just my personal choice that the only changes made to it (look wise) were esssential:
If anyone wants further details either post on here or PM me. Ian
In April this year my warranty was up on my MY02 STi Type UK. I'd already done the basics to make it a very well sorted car (AP Racing brakes, Prodrive Springs, TSL Remap). At 330ish BHP, good handling and top track day brakes I was very happy with the car.
Problem was (and I figure this happens to alot of people on here) I couldn't help the nagging voice at the back of my head "now the warranty is up go play"
Having thought long and hard about it and studying alot of posts on Scoobynet (hence the reason for putting back in the pot) I drew up the following plan:
1) I wanted a future proof upgrade to support 800ish+ BHP if I chose to go that far without massive rebuild costs.
2) I wanted the car with approx 500ish BHP on day one since my main initial aim is to have a "beefed" up daily driver rather than a straight line special.
3) To find an outfit that could deliver both of the above to a very good build quality since I'm not an "under the bonnet DIY enthusiast" (checking the tyres and oil is about as far as I go!)
I'd seen enough Scoobs at RWYB events, Scooby Shootout and TOTB to realise that high power, "straightline specials" are prone to blowing up (and massive heartache) and practically undriveable as everyday cars on the roads since they have fairly big lag with all the power at the top-end.
Given this I realised pretty quickly that the spec was going to awkward. After alot of searching around on here I came upon Scoobymania. I could tell straight away they were doing one of the key things I was looking for - listening! It would be all to easy for any outfit to nod, say yes and hand me back something I didn't ask for.
After initial discussions, they recommended a 2.5L rebuild (for a base platform with better torque) with all the internals custom made for strength. The next major component was the Turbo. Exactly in line with my 2 requests they went for a mid-range Garret Turbo that spools up very quickly. The build has been done so that I can move up and down the Garret Turbo range without major engine rebuild costs! Next was the cooling and exhaust systems. Lastly was the GEMS ECU and mapper (Steve Simpson).
A further example of listening was the choice of clutch. The best solution for high power would have been a racing clutch but I want a "daily driver" so a compromise was chosen - much stiffer than normal but easy once you get used to it.
So what were the results? Since getting the car back in November I've tried hard to summarise when asked by people what I think...
The best way to explain it is that the car is exactly what I asked for (500 BHP/Torque) and drives so smooth that you'd be fooled into thinking it rolled out of a factory this way. Every aspect of the build has been wholly owned by Scoobymania to give me back a car that is as easy to drive in traffic as ever it was but when I want to play, well put it this way: Each time I've had an opportunity to play in this weather (rare) it's never failed to put the hairs up on the back of my neck and make any passenger with me either giggle like a girl or shriek like a banshee!! I've still not even booted it in 1st or 2nd gear yet!
I cannot express how impressed I am with Scoobymania. The power delivery is so smooth and useable plus I've got the knowledge that should I want to go ballistic, it's a turbo change and remap not some bank crippling rebuild. The chaps really care about each car and what the owners think. They gave me the car back to run the engine in before it was mapped - why? To get a list of niggles together so they could pro-actively fix anything and everything whilst doing final mapping with Steve. They even name each one of their babies - mines the 1F5
I've not had a single problem and the car has never missed a heart beat. If anyone else is looking for something similar (or I suppose something very different!) I cannot recommend Scoobymania enough for listening and attention to detail on the build. At least give them a phonecall (0115 985 9555) and compare what they say. I've no doubt in my mind that you'll be impressed!!
Sorry the car isn't clean on the photos but I figured something was better than nothing. BTW, I've been asked this already so I'd best mention I wanted the car to look as standard possible i.e. not to stand out or be a "show car". Hence the lack of chrome under the bonnet and lack of stick on bits to the bodywork. No offence to anyone on here, it's just my personal choice that the only changes made to it (look wise) were esssential:
If anyone wants further details either post on here or PM me. Ian
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Originally Posted by David_Wallis
When you taking me out in it.. so I can see what I think
Try and get yourself along to one of the WYIOC meets - last Thursday in every month...
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Originally Posted by dazdavies
Any chance of seeing a spec list?
Daz
Daz
18" Gold Oz Alloys with Pirelli Pzero boots
Prodrive Headlights (inc HiD H7 upgrade)
Prodrive Springs (inc Geometry setup)
Prodrive Strut Braces (Front & Back)
Prodrive Gauge Cluster (Boost, Oil Temp, Oil Pressure)
PPP (inc uprated Fuel Pump)
Green Air Filter
TSL 330 BHP/Torque Remap
Turbosmart vee port BOV
Scoobysport straight through mid-section
Scoobysport Back Box
AP Racing 6 Pot Brake Calipers
330 ml AP Racing Vented Disks
Braided Brake hoses all round
Scoobymania Spec list:
2.5 Litre STi (Semi-closed deck block) short engine
Pauter Con Rods
CP pistons
ARP head studs including fitting
Cylinder liners
Cometic Head gaskets
Aeromotive FPR
Garret T3/5 Hybrid Turbo
External wastegate
3 port boost control solenoid
Full Custom exhaust system inc headers.
Forge VTA dump valve
Oil cooler kit
FMIC
Custom induction kit
GEMS ECU
650cc injectors
Hi Torque Clutch (street)
Release Bearing
STi Hi Strength (pink) cambelt
Rear Anti roll bar and Anti-lift
Knocklink sensor
Defi Boost Gauge & Control Unit
Trending Topics
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Originally Posted by David_Wallis
Spot the spec copied off an invoice...
I don't even know what most of it means
I do know what it results in though
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Thanks Knobby SP1 for sharing this with us. 500bhp/torque must be superb.
I also have an MY02 STi Type UK with PPP and a few other small mods.
Quite fancy having more of a sleeper - say a std lookin' Wagon with the sort of power/ engine spec you've got
Chris
I also have an MY02 STi Type UK with PPP and a few other small mods.
Quite fancy having more of a sleeper - say a std lookin' Wagon with the sort of power/ engine spec you've got
Chris
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Originally Posted by Granby
OK now the big question
How much did the conversion cost, if you don't want to publicise it could you PM me
Cheers
Granby
How much did the conversion cost, if you don't want to publicise it could you PM me
Cheers
Granby
The only thing is I paid in stages and it might also mislead you. As mentioned, I've over-specified my build for what it's producing at the moment. If you just want a 500 BHP/Torque car (can't believe I just typed that!) the best thing is to contact Mike Tuckwood (top bloke) at mike@scoobymania.com.
He can give you an exact price as per exactly what you're after on your particular car. I really don't want to mislead anyone on here, especially when it comes to money!
#16
Nice one Knobby. Interesting and honest report and its good to see you have the car you wanted without needing to be expert in every aspect of the engine. The main thing I have been impressed by with scoob ownership is the friendliness and professionalism of the specialists compared to past experience of main dealers with several marques. Good to hear Scoobymania have provided a quality service too. I hope you continue to enjoy the car and I'm not at all jealous!!!:
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Ian, very good report, and very pleased that you got what you wanted. Its the way it should be.
It would be interesting for you to meet up with Alan sometime and compare your 2 cars. His has a smaller turbo than yours, and currently cant generate any more power safely due to the MAF sensor being maxed out. However it would be very interesting for the 2 of you to compare.
Out of interest, what boost is it running on the 35?
Happy new year BTW
Steven
It would be interesting for you to meet up with Alan sometime and compare your 2 cars. His has a smaller turbo than yours, and currently cant generate any more power safely due to the MAF sensor being maxed out. However it would be very interesting for the 2 of you to compare.
Out of interest, what boost is it running on the 35?
Happy new year BTW
Steven
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Originally Posted by P20SPD
Ian, very good report, and very pleased that you got what you wanted. Its the way it should be.
It would be interesting for you to meet up with Alan sometime and compare your 2 cars. His has a smaller turbo than yours, and currently cant generate any more power safely due to the MAF sensor being maxed out. However it would be very interesting for the 2 of you to compare.
Out of interest, what boost is it running on the 35?
Happy new year BTW
Steven
It would be interesting for you to meet up with Alan sometime and compare your 2 cars. His has a smaller turbo than yours, and currently cant generate any more power safely due to the MAF sensor being maxed out. However it would be very interesting for the 2 of you to compare.
Out of interest, what boost is it running on the 35?
Happy new year BTW
Steven
The boost was mapped at 1.8 - I've attached the graph for you:
#19
You are living my dream there knobbySP1 (and 90% of the members on here) by owning a 500hp / torque scoob, some nice specs there buddy.
I stumbled upon your post as i was searching for info on the 2.5L block as in reality at £1500 (and less sometimes) for the 2.5L block its quite a cheap performance hike for the money and was thinking of going down this road one day when i get my money together.
Someone who i built a website for has a classic scoob with a 2.5L block in it and its pushing 450hp at the moment and he says its blazing fast. God knows how yours must feel.
In fact here is a picture of it on a track in Scotland i think:
I don't mean to hijack the post or anything but i have a few questions in regards to the 2.5L block as i am thinking of something a little more conservative with power between 400 / 450hp.
1. Apart from a remap and an uprated fuel pump what other things are the "must do's" when uprating the engine to a 2.5L? Are the pistons that weak on them or what sort of max power on standard internals are a reality without system meltdown?
2. I'm on a tight budget and have family etc so i basically spend my days dreaming of uprating this and that which in turn annoys the hell out of me driving the car when i dont actually get round to doing anything so if i was budget concious (without sacraficing reliability) what modist increase would see bang for buck. I was wanting to spend to more than £3000 maximum for my dreams to come true one day and i just hope thats enough.
3. The guy i was on about who has a 2.5 bottom end is using an Sti8 top mounted intercooler and although i know more power could be achieved with a front mounted the final cost would end up way too much in the long run for me so is a top mount STi8 ok to use and if so is 400 / 450hp easily achieved?
Ok well i will shut up now and im sorry for the questions but you sounded like you know your stuff and just look after the scooby as you have one very special car there indeed and who knows, one day i too can make a post just like yours and then in turn help other people out if they ever needed my advice.
Enjoy the dream, and all the very best.
I stumbled upon your post as i was searching for info on the 2.5L block as in reality at £1500 (and less sometimes) for the 2.5L block its quite a cheap performance hike for the money and was thinking of going down this road one day when i get my money together.
Someone who i built a website for has a classic scoob with a 2.5L block in it and its pushing 450hp at the moment and he says its blazing fast. God knows how yours must feel.
In fact here is a picture of it on a track in Scotland i think:
I don't mean to hijack the post or anything but i have a few questions in regards to the 2.5L block as i am thinking of something a little more conservative with power between 400 / 450hp.
1. Apart from a remap and an uprated fuel pump what other things are the "must do's" when uprating the engine to a 2.5L? Are the pistons that weak on them or what sort of max power on standard internals are a reality without system meltdown?
2. I'm on a tight budget and have family etc so i basically spend my days dreaming of uprating this and that which in turn annoys the hell out of me driving the car when i dont actually get round to doing anything so if i was budget concious (without sacraficing reliability) what modist increase would see bang for buck. I was wanting to spend to more than £3000 maximum for my dreams to come true one day and i just hope thats enough.
3. The guy i was on about who has a 2.5 bottom end is using an Sti8 top mounted intercooler and although i know more power could be achieved with a front mounted the final cost would end up way too much in the long run for me so is a top mount STi8 ok to use and if so is 400 / 450hp easily achieved?
Ok well i will shut up now and im sorry for the questions but you sounded like you know your stuff and just look after the scooby as you have one very special car there indeed and who knows, one day i too can make a post just like yours and then in turn help other people out if they ever needed my advice.
Enjoy the dream, and all the very best.
#20
Originally Posted by KnobbySP1
No problems on the question, there's nothing to hide.
The only thing is I paid in stages and it might also mislead you. As mentioned, I've over-specified my build for what it's producing at the moment. If you just want a 500 BHP/Torque car (can't believe I just typed that!) the best thing is to contact Mike Tuckwood (top bloke) at mike@scoobymania.com.
He can give you an exact price as per exactly what you're after on your particular car. I really don't want to mislead anyone on here, especially when it comes to money!
The only thing is I paid in stages and it might also mislead you. As mentioned, I've over-specified my build for what it's producing at the moment. If you just want a 500 BHP/Torque car (can't believe I just typed that!) the best thing is to contact Mike Tuckwood (top bloke) at mike@scoobymania.com.
He can give you an exact price as per exactly what you're after on your particular car. I really don't want to mislead anyone on here, especially when it comes to money!
#22
Originally Posted by Hammoc
Thanks Knobby SP1 for sharing this with us. 500bhp/torque must be superb.
I also have an MY02 STi Type UK with PPP and a few other small mods.
Quite fancy having more of a sleeper - say a std lookin' Wagon with the sort of power/ engine spec you've got
Chris
I also have an MY02 STi Type UK with PPP and a few other small mods.
Quite fancy having more of a sleeper - say a std lookin' Wagon with the sort of power/ engine spec you've got
Chris
Used to beef up motors years ago to look standard but have a big suprise under the bonnet. Quite new to the subaru scene but looking forward to the build and the drive eventually.
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Originally Posted by DJ WATTS
Ok well i will shut up now and im sorry for the questions but you sounded like you know your stuff and just look after the scooby as you have one very special car there indeed and who knows, one day i too can make a post just like yours and then in turn help other people out if they ever needed my advice.
Enjoy the dream, and all the very best.
Enjoy the dream, and all the very best.
Steven (P20PSD) - where are you? Looks like some questions for you!
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1. Apart from a remap and an uprated fuel pump what other things are the "must do's" when uprating the engine to a 2.5L? Are the pistons that weak on them or what sort of max power on standard internals are a reality without system meltdown?
IMO 400~450 maximum, John banks has done a couple of standard ones in this power range. All sorts of other things need to be considered. Like injectors, fuel pressure regulator, MAF capabilities, clutch, transmission, etc
2. I'm on a tight budget and have family etc so i basically spend my days dreaming of uprating this and that which in turn annoys the hell out of me driving the car when i dont actually get round to doing anything so if i was budget concious (without sacraficing reliability) what modist increase would see bang for buck. I was wanting to spend to more than £3000 maximum for my dreams to come true one day and i just hope thats enough.
IMO its not easily achieved for £3000 without sacrificing liability, well, not those power figures anyway. Best you might do for £3k is whack the EJ257 shortblock in, remap the ecu (if you can), and just go for mid 300's of each, and then pray your gearbox doesnt say goodbye.
3. The guy i was on about who has a 2.5 bottom end is using an Sti8 top mounted intercooler and although i know more power could be achieved with a front mounted the final cost would end up way too much in the long run for me so is a top mount STi8 ok to use and if so is 400 / 450hp easily achieved?
TBH, you can get reasonable FMIC's from £250 upwards, plus fitting.
If your not mechanically minded, then IMO you will suffer the effects of labour charges to the prices banded about.
Quick example of a probable build (i will try and work on low prices which i am roughly guessing)
EJ257 - £1200
Head gaskets - £100
Cambelt - £70
Other consumables - £100
Build labour - £400
etc etc
mcvicar - if you have just order a 500bhp version, i hope it has uprated internals. If you percieve you will push it to 700, your a more optimistic and braver man than anyone i know in the subaru community. IMO, you will have more problems than its worth if you go for 700 out of the ej257.
Steven
IMO 400~450 maximum, John banks has done a couple of standard ones in this power range. All sorts of other things need to be considered. Like injectors, fuel pressure regulator, MAF capabilities, clutch, transmission, etc
2. I'm on a tight budget and have family etc so i basically spend my days dreaming of uprating this and that which in turn annoys the hell out of me driving the car when i dont actually get round to doing anything so if i was budget concious (without sacraficing reliability) what modist increase would see bang for buck. I was wanting to spend to more than £3000 maximum for my dreams to come true one day and i just hope thats enough.
IMO its not easily achieved for £3000 without sacrificing liability, well, not those power figures anyway. Best you might do for £3k is whack the EJ257 shortblock in, remap the ecu (if you can), and just go for mid 300's of each, and then pray your gearbox doesnt say goodbye.
3. The guy i was on about who has a 2.5 bottom end is using an Sti8 top mounted intercooler and although i know more power could be achieved with a front mounted the final cost would end up way too much in the long run for me so is a top mount STi8 ok to use and if so is 400 / 450hp easily achieved?
TBH, you can get reasonable FMIC's from £250 upwards, plus fitting.
If your not mechanically minded, then IMO you will suffer the effects of labour charges to the prices banded about.
Quick example of a probable build (i will try and work on low prices which i am roughly guessing)
EJ257 - £1200
Head gaskets - £100
Cambelt - £70
Other consumables - £100
Build labour - £400
etc etc
mcvicar - if you have just order a 500bhp version, i hope it has uprated internals. If you percieve you will push it to 700, your a more optimistic and braver man than anyone i know in the subaru community. IMO, you will have more problems than its worth if you go for 700 out of the ej257.
Steven
#27
Originally Posted by P20SPD
1. Apart from a remap and an uprated fuel pump what other things are the "must do's" when uprating the engine to a 2.5L? Are the pistons that weak on them or what sort of max power on standard internals are a reality without system meltdown?
IMO 400~450 maximum, John banks has done a couple of standard ones in this power range. All sorts of other things need to be considered. Like injectors, fuel pressure regulator, MAF capabilities, clutch, transmission, etc
2. I'm on a tight budget and have family etc so i basically spend my days dreaming of uprating this and that which in turn annoys the hell out of me driving the car when i dont actually get round to doing anything so if i was budget concious (without sacraficing reliability) what modist increase would see bang for buck. I was wanting to spend to more than £3000 maximum for my dreams to come true one day and i just hope thats enough.
IMO its not easily achieved for £3000 without sacrificing liability, well, not those power figures anyway. Best you might do for £3k is whack the EJ257 shortblock in, remap the ecu (if you can), and just go for mid 300's of each, and then pray your gearbox doesnt say goodbye.
3. The guy i was on about who has a 2.5 bottom end is using an Sti8 top mounted intercooler and although i know more power could be achieved with a front mounted the final cost would end up way too much in the long run for me so is a top mount STi8 ok to use and if so is 400 / 450hp easily achieved?
TBH, you can get reasonable FMIC's from £250 upwards, plus fitting.
If your not mechanically minded, then IMO you will suffer the effects of labour charges to the prices banded about.
Quick example of a probable build (i will try and work on low prices which i am roughly guessing)
EJ257 - £1200
Head gaskets - £100
Cambelt - £70
Other consumables - £100
Build labour - £400
etc etc
mcvicar - if you have just order a 500bhp version, i hope it has uprated internals. If you percieve you will push it to 700, your a more optimistic and braver man than anyone i know in the subaru community. IMO, you will have more problems than its worth if you go for 700 out of the ej257.
Steven
IMO 400~450 maximum, John banks has done a couple of standard ones in this power range. All sorts of other things need to be considered. Like injectors, fuel pressure regulator, MAF capabilities, clutch, transmission, etc
2. I'm on a tight budget and have family etc so i basically spend my days dreaming of uprating this and that which in turn annoys the hell out of me driving the car when i dont actually get round to doing anything so if i was budget concious (without sacraficing reliability) what modist increase would see bang for buck. I was wanting to spend to more than £3000 maximum for my dreams to come true one day and i just hope thats enough.
IMO its not easily achieved for £3000 without sacrificing liability, well, not those power figures anyway. Best you might do for £3k is whack the EJ257 shortblock in, remap the ecu (if you can), and just go for mid 300's of each, and then pray your gearbox doesnt say goodbye.
3. The guy i was on about who has a 2.5 bottom end is using an Sti8 top mounted intercooler and although i know more power could be achieved with a front mounted the final cost would end up way too much in the long run for me so is a top mount STi8 ok to use and if so is 400 / 450hp easily achieved?
TBH, you can get reasonable FMIC's from £250 upwards, plus fitting.
If your not mechanically minded, then IMO you will suffer the effects of labour charges to the prices banded about.
Quick example of a probable build (i will try and work on low prices which i am roughly guessing)
EJ257 - £1200
Head gaskets - £100
Cambelt - £70
Other consumables - £100
Build labour - £400
etc etc
mcvicar - if you have just order a 500bhp version, i hope it has uprated internals. If you percieve you will push it to 700, your a more optimistic and braver man than anyone i know in the subaru community. IMO, you will have more problems than its worth if you go for 700 out of the ej257.
Steven
Check out www.crawfordperformance.com
Would not dream of using standard internals and not ej257
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Since the Thread is about Scoobymania's 2.5L conversion why not try calling them?! www.scoobymania.co.uk/
They don't just do conversions like mine - it's all custom work depending on the requirements.
0115 985 9555 - Ask for Mike...
They don't just do conversions like mine - it's all custom work depending on the requirements.
0115 985 9555 - Ask for Mike...