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Old 14 October 2013, 06:16 PM
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Originally Posted by tubbytommy
just fit a newage sti engine and an sc46 turbo or lateral md series one
job done, oh and you will need a 6 speed box as the 5 speed wont take it

im always amazed why people spunk loads of cash on a 2.1 stroker when they only want 450 bhp, the standard sti lump will take this all day long.
Yes I will be putting a 6speed box as my 5speed is knackered. I'm looking at prices at the moment to see which is the best for the money.
Old 14 October 2013, 06:20 PM
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I know you'll probably all slate me for this as I should of said it in my first post but I'm really after acceleration so torque is what I'm after. Don't care about top speed. I just want it to get to 70 quicker than I can change my pants.
Old 14 October 2013, 06:24 PM
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You really do want mutually exclusive things then... a fast road car, which needs no lag and quick spool etc, but you want the acceleration of a drag car which means lots of lag and a massive turbo....

I think you need to really think about what you want, If you want a road/a-b car then you want a smaller turbo with lots of spool and get up and go.

If you want to accelerate like a drag car you want 500+hp and a massive turbo
Old 14 October 2013, 06:26 PM
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1st off your in a lardy newage so do some weight saving to start with (if you can do without rear seats etc etc)
Old 14 October 2013, 06:27 PM
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lol rear seats, they are possibly the lightest part of the car.
Old 14 October 2013, 06:29 PM
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Originally Posted by JGlanzaV
You really do want mutually exclusive things then... a fast road car, which needs no lag and quick spool etc, but you want the acceleration of a drag car which means lots of lag and a massive turbo....

I think you need to really think about what you want, If you want a road/a-b car then you want a smaller turbo with lots of spool and get up and go.

If you want to accelerate like a drag car you want 500+hp and a massive turbo

+1 top advice this.

***** waving figures dont make the fastest a to b car.

if you want a fast road car a 450 bhp newage will be awesome, no need for expensive engine builds either as a new age sti engine will achieve this bhp with a few bolt on mods like turbo fmic and injectors
Old 14 October 2013, 06:32 PM
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Originally Posted by tubbytommy
+1 top advice this.

***** waving figures dont make the fastest a to b car.

if you want a fast road car a 450 bhp newage will be awesome, no need for expensive engine builds either as a new age sti engine will achieve this bhp with a few bolt on mods like turbo fmic and injectors

This ^

I would also say that it would be worth looking at a 2.5 for the real ultimate road car, the torque means you could fit something like a sc42/46 with a billet wheel and it would spool like no bodies business...
Old 14 October 2013, 06:34 PM
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Originally Posted by JGlanzaV
You really do want mutually exclusive things then... a fast road car, which needs no lag and quick spool etc, but you want the acceleration of a drag car which means lots of lag and a massive turbo....

I think you need to really think about what you want, If you want a road/a-b car then you want a smaller turbo with lots of spool and get up and go.

If you want to accelerate like a drag car you want 500+hp and a massive turbo
A fast road car yes but I won't be doing anything over the speed limits, be quick acceleration on dual carriageways and down twisty roads (so yes would need no lag and quick spool).

Sorry if I seem to be contradicting myself, I'm still learning. I just want something with a lot of grunt, with my current set up my turbo didn't really kick in till about 3000rpm which is fine for me, I just want it to be a kick up the **** when the turbo is working... if that makes sense.

Originally Posted by tubbytommy
lol rear seats, they are possibly the lightest part of the car.
Yeah I thought of taking the rear seats out but when I took the back rest part out it didn't feel like it weighed anything lol.
Old 14 October 2013, 06:36 PM
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Originally Posted by tubbytommy
+1 top advice this.

***** waving figures dont make the fastest a to b car.

if you want a fast road car a 450 bhp newage will be awesome, no need for expensive engine builds either as a new age sti engine will achieve this bhp with a few bolt on mods like turbo fmic and injectors
Originally Posted by JGlanzaV
This ^

I would also say that it would be worth looking at a 2.5 for the real ultimate road car, the torque means you could fit something like a sc42/46 with a billet wheel and it would spool like no bodies business...

Both comments above sound more along the lines of what I want... So either a newage sti or a 2.5. 2.5 sounds good with the torque, what would a 2.5 cost with the headgaskets gone? Could do the hg myself as the engine will be out anyway..
Old 14 October 2013, 06:37 PM
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Originally Posted by tubbytommy
lol rear seats, they are possibly the lightest part of the car.
every little helps mate
Old 14 October 2013, 06:39 PM
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Originally Posted by RCS2810
Both comments above sound more along the lines of what I want... So either a newage sti or a 2.5. 2.5 sounds good with the torque, what would a 2.5 cost with the headgaskets gone? Could do the hg myself as the engine will be out anyway..
dont touch a 2.5 unless you plan on fully forging it otherwise you are in for a expensive time in repairs

2.5 is epic when forged

2.5 is epic fail when not forged
Old 14 October 2013, 06:40 PM
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the 2.0 sti lump will make 450 bhp without the nead for forging etc, the 2.5 wont out the box.

it barely holds together at its standard power and has headgasket issues, when forged and rebuilt its a different matter though.
Old 14 October 2013, 06:40 PM
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So maybe an sti engine, what turbo and injectors would I be looking at for this? I have a VF34 and 550 injectors, or would I need more?
Old 14 October 2013, 06:43 PM
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Originally Posted by RCS2810
So maybe an sti engine, what turbo and injectors would I be looking at for this? I have a VF34 and 550 injectors, or would I need more?
maybe a sc38/40 from scooby clinic
Old 14 October 2013, 06:45 PM
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Originally Posted by RCS2810
Both comments above sound more along the lines of what I want... So either a newage sti or a 2.5. 2.5 sounds good with the torque, what would a 2.5 cost with the headgaskets gone? Could do the hg myself as the engine will be out anyway..

Yes you dont even need anywhere near 450, 400/400 would be perfect in a road car, with something like an sc42 billet and a 2.5 would be perfect.

I get my turbo coming in at about 3.5k, and it reaches full boost between 4-4.5k, the larger the turbo, the more power, but you are compromising the spool up of it, so more power, less spool/driveability on the road.

So really you want a smaller turbo, with more CC's to spool that turbo faster for a road car, so it feels more "urgent" and spools nice and fast to keep it buzzing through the gears
Old 14 October 2013, 06:49 PM
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So a 2.5, what issues do they have? Thought it was just headgasket problems?

Would I need to forge a 2.5 if I got the SC42 turbo, injectors and fmic?
Old 14 October 2013, 06:52 PM
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What about an STI8 with an SC42 or SC42 as the_shreksta said with good injectors and a fmic?
Old 14 October 2013, 06:52 PM
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Originally Posted by RCS2810
So a 2.5, what issues do they have? Thought it was just headgasket problems?

Would I need to forge a 2.5 if I got the SC42 turbo, injectors and fmic?
erm yes you would mate-as tommy said they barely hold together under standard boost.the guy who does my car work has just had to forge a 2010 hatch sti with less than 30k on it as it failed-now that is poor considering it is 3 years old
Old 14 October 2013, 06:55 PM
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Originally Posted by the shreksta
erm yes you would mate-as tommy said they barely hold together under standard boost.the guy who does my car work has just had to forge a 2010 hatch sti with less than 30k on it as it failed-now that is poor considering it is 3 years old
Yeah after reading it all it was a bit of a stupid question lol.
If I'm honest the sti8 engine is sounding very good...
Old 14 October 2013, 07:00 PM
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heres some turbo choices....

http://www.andyforrestperformance.co.uk/16307.html
Old 14 October 2013, 07:04 PM
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Well was looking at something like this:

http://shop.scoobyclinic.com/index.p...product_id=131

Or the SC40 for a few hundred less..
Old 14 October 2013, 07:06 PM
  #82  
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if you want a 400bhp plus impreza your starting with the wrong car.

sell it and buy an sti as it has all the parts needed already in place, like 6 speed box brembos and stronger engine with avcs heads

it is a far more cost effective route to go down.

Last edited by tubbytommy; 14 October 2013 at 07:09 PM.
Old 14 October 2013, 07:08 PM
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Originally Posted by RCS2810
Well was looking at something like this:

http://shop.scoobyclinic.com/index.p...product_id=131

Or the SC40 for a few hundred less..
good choice mate,you will need a fmic for anything over 400bhp aswell or an sti top mount intercooler for between 300-400bhp unless you track it regular then go for a fmic
Old 14 October 2013, 07:14 PM
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Originally Posted by the shreksta
good choice mate,you will need a fmic for anything over 400bhp aswell or an sti top mount intercooler for between 300-400bhp unless you track it regular then go for a fmic
So, hopefully we are getting somewhere... an STI8 engine, SC40/42, FMIC and 800cc injectors. Once thats all done then obviously necessary ECU, wiring, suspension, brakes.
Old 14 October 2013, 07:16 PM
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Originally Posted by RCS2810
So, hopefully we are getting somewhere... an STI8 engine, SC40/42, FMIC and 800cc injectors. Once thats all done then obviously necessary ECU, wiring, suspension, brakes.
yep,get some anti-lag and launch control and your laughing

if your not going avcs then you can just use your your wrx ecu
Old 14 October 2013, 07:16 PM
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Originally Posted by RCS2810
So, hopefully we are getting somewhere... an STI8 engine, SC40/42, FMIC and 800cc injectors. Once thats all done then obviously necessary ECU, wiring, suspension, brakes.
or just sell the wrx and buy an sti and then all you need is fmic injectors and turbo and you can sell on the old turbo and injectors to wrx owners.

ecu will not need to be changed and no wiring necessary.
Old 14 October 2013, 07:17 PM
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Originally Posted by tubbytommy
if you want a 400bhp plus impreza your starting with the wrong car.

sell it and buy an sti as it has all the parts needed already in place, like 6 speed box brembos and stronger engine with avcs heads

it is a far more cost effective route to go down.
Yes I could do but it looses the fun of building it . I hopefully have an STI engine lined up with AVCS heads, got the brembos, need the ECU and box..
Old 14 October 2013, 07:18 PM
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Originally Posted by tubbytommy
or just sell the wrx and buy an sti and then all you need is fmic injectors and turbo and you can sell on the old turbo and injectors to wrx owners.

ecu will not need to be changed and no wiring necessary.
Mines not worth a lot though, it needs a new box anyway and it was a Cat D... Sell mine for about £2500 then buy a good decent Newage STi for about £6-7000..
Old 14 October 2013, 07:19 PM
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Originally Posted by RCS2810
Yes I could do but it looses the fun of building it . I hopefully have an STI engine lined up with AVCS heads, got the brembos, need the ECU and box..
it does but to me its the sensible option, doing all that to a wrx to achieve something the sti does with no effort is a pointless waste of cash.

the car wont be worth as much as the sti when its done either.

its just my opinion of course but its a stupid route to go down.

all you are basically doing is building a wrx to sti spec and spending double the amount it costs just to buy an sti.
Old 14 October 2013, 07:20 PM
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Originally Posted by the shreksta
yep,get some anti-lag and launch control and your laughing

if your not going avcs then you can just use your your wrx ecu
So the only advantage in the avcs is that it helps spool up quicker?


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