next turbo up from tdo5? & maf prob? :-(
10 February 2005, 09:24 PM
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next turbo up from tdo5? & maf prob? :-(
Hi all
Got my93 wrx think the turbo is in need of tlc or a change up modification. What is the next step for it? upgrade the whole turbo for a bigger model of some sort or upgrade the internals of it? But do not want to go into massive amounts of cash
Also the past 4 days my afr has been permanantly showing lean on any type of driving style - is the maf on the way out? I am also using loads of fuel and previous to the lean running it would have fits and flood the engine by running on very rich.....
please advise on this as its doing my head in
ive had new plugs/coil packs/lambda/pressure duty solenoid.
Running HKS Ind.kit, full decat, all samco hoses, optimax, scooby ecu at 15.5psi.
cheers in advance.
tim
Got my93 wrx think the turbo is in need of tlc or a change up modification. What is the next step for it? upgrade the whole turbo for a bigger model of some sort or upgrade the internals of it? But do not want to go into massive amounts of cash
Also the past 4 days my afr has been permanantly showing lean on any type of driving style - is the maf on the way out? I am also using loads of fuel and previous to the lean running it would have fits and flood the engine by running on very rich.....
please advise on this as its doing my head in
ive had new plugs/coil packs/lambda/pressure duty solenoid.
Running HKS Ind.kit, full decat, all samco hoses, optimax, scooby ecu at 15.5psi.
cheers in advance.
tim
10 February 2005, 10:16 PM
#2
upgrade the whole turbo for a bigger model of some sort or upgrade the internals of it? But do not want to go into massive amounts of cash
that sentence doesnt make sense as once you go bigger than a td05 on a basically standardish car its gonna involve lots of ££££
10 February 2005, 10:22 PM
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Steve, suppose he could convert to a 18 / 20g? Depends what it is at the moment. That would warrant supporting fuel / air upgrades to get the best though.
As for the AFR - MAF may well be the cause, normally ok on early cars though. Always good to suspect the gauge so you could get a multimeter on the wires going into it.
MB
As for the AFR - MAF may well be the cause, normally ok on early cars though. Always good to suspect the gauge so you could get a multimeter on the wires going into it.
MB
10 February 2005, 10:31 PM
#4
Originally Posted by Dark Blue Mark
Steve, suppose he could convert to a 18 / 20g? Depends what it is at the moment. That would warrant supporting fuel / air upgrades to get the best though.
As for the AFR - MAF may well be the cause, normally ok on early cars though. Always good to suspect the gauge so you could get a multimeter on the wires going into it.
MB
As for the AFR - MAF may well be the cause, normally ok on early cars though. Always good to suspect the gauge so you could get a multimeter on the wires going into it.
MB
on his car would mean what you said plus a FMIC, injectors,the upgrade price of turbo
plus other stuff 
like i said its will cost £££££
10 February 2005, 10:33 PM
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stevebt - meant didnt want to spend 1000's on hks/blitz etc... ..
what this 18/20 g upgrade thing dbm?
will also be wanting an ecu remap on me z4 ecu to suit if anyone is interested?!?!?!?!?! oh and will be getting bigger injectors and headers to help with the performance. just want to start planning the turbo choices that i can go through to see what suits...
cheers
tim
..what this 18/20 g upgrade thing dbm?
will also be wanting an ecu remap on me z4 ecu to suit if anyone is interested?!?!?!?!?! oh and will be getting bigger injectors and headers to help with the performance. just want to start planning the turbo choices that i can go through to see what suits...
cheers
tim
im sure you can get this little fellow for £900 brand new
10 February 2005, 10:45 PM
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cheers stevebt i will look into it sounds along the lines of what im after.
However is it a td05 upgraded? could i get my turbo to this spec ?
However is it a td05 upgraded? could i get my turbo to this spec ?
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10 February 2005, 10:48 PM
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Timmy, you need to think what you want from the car and that will probably dictate the size / type of turbo you need - which will in turn provide you with the info on the supporting mods.
Your current turbo is a bit limited if you want to break the 300 bhp barrier. Full decat, headers, pump, good panel and essential remap will help you get to STi levels.
For basic power a scoobyecu will do you, and is a big difference. Bigger power the Andy F Apexi power FC is well rated.
MB
Your current turbo is a bit limited if you want to break the 300 bhp barrier. Full decat, headers, pump, good panel and essential remap will help you get to STi levels.
For basic power a scoobyecu will do you, and is a big difference. Bigger power the Andy F Apexi power FC is well rated.
MB
10 February 2005, 10:56 PM
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DBM
when i had r.road tune and had my hks fcd on and manual boost i ran 19psi but had major det at 317 bhp & 302 lbs torq, so took it off straight away so im guessing that the 15.5 psi chip will be running 290/295 bhp?
want to aim for a reliable 320/330 to be honest. I know pretty much all needs upgrading etc but its what i like doing and at me own pace!
oh forgot i already have the walbro pump that can handle 400 bhp.
Whats with the panel filter? i tried putting mine back on and it did not seem as lively especially at high revs. so what would be the advantage ? or just safer bet for the maf? (which i think is on its last legs!)
when i had r.road tune and had my hks fcd on and manual boost i ran 19psi but had major det at 317 bhp & 302 lbs torq, so took it off straight away so im guessing that the 15.5 psi chip will be running 290/295 bhp?
want to aim for a reliable 320/330 to be honest. I know pretty much all needs upgrading etc but its what i like doing and at me own pace!
oh forgot i already have the walbro pump that can handle 400 bhp.
Whats with the panel filter? i tried putting mine back on and it did not seem as lively especially at high revs. so what would be the advantage ? or just safer bet for the maf? (which i think is on its last legs!)
10 February 2005, 11:05 PM
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Surprised it made that much, it may well be that an Apexi FC could provide the fuelling you need to get the max from the turbo you have, speak to Andy F.
Induction kits are fine, but nearly all of them do a great job of sucking in hot air from the engine bay, which oftem means they are less effective than the airbox. At higher BHP's the standard box can become a restriction, but excellent otherwsie. HKS are known to give a lot of air, but poor filtration. Ideal one IMHO is the Performace Subaru one (K&N) with a heat shielding box round it (MRT do one)
Im no expert, so would speak to one of the tuners mentioned to confirm.
MB
Induction kits are fine, but nearly all of them do a great job of sucking in hot air from the engine bay, which oftem means they are less effective than the airbox. At higher BHP's the standard box can become a restriction, but excellent otherwsie. HKS are known to give a lot of air, but poor filtration. Ideal one IMHO is the Performace Subaru one (K&N) with a heat shielding box round it (MRT do one)
Im no expert, so would speak to one of the tuners mentioned to confirm.
MB
10 February 2005, 11:10 PM
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mb
no worries with the hot air mate - me and me mate have made a galv seperating box that seperates and covers the induction kit from the engine heat and have run a cold air pipe up through the wing
seems to work well too!
tim
looks like i might be speaking to andy f then!
edit to say - thanks for the quick advice guys!
no worries with the hot air mate - me and me mate have made a galv seperating box that seperates and covers the induction kit from the engine heat and have run a cold air pipe up through the wing
seems to work well too!tim
looks like i might be speaking to andy f then!
edit to say - thanks for the quick advice guys!
10 February 2005, 11:44 PM
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TD06 isn't recommended for an EJ20 - It is more suited to the 2.2 and the 2.5 block.
The TD05 variants are recommended for the 2 litre like the TD05-20G which uses the TD05's core and hot side
The standard TD05-16G which you have fitted is capable of 350hp+ with appropriate complementing mods
Cheers
The TD05 variants are recommended for the 2 litre like the TD05-20G which uses the TD05's core and hot side
The standard TD05-16G which you have fitted is capable of 350hp+ with appropriate complementing mods
Cheers
Last edited by Delboy2; 11 February 2005 at 12:00 AM.
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