S2- what do i need for more power?

[sim16v]

Hi, I've just got myself an early S2 and i want more power!

The engine has to come apart to do the head gasket, so while its open, I was thinking I'd be better off fitting uprated parts ready for any future upgrades.

So, anyone got any advice?

I'd like 400bhp with reliability, so what do i need?

Cheers,

Simon

[Smiley]

400hp is more than a RS2 setup will do, you will need a bigger turbo, search for

3071

and you'll find a lot of information..

[lind4hl]

garrett gt 3071 or 3076 turbo
new rods
maybe change the piston rings and refirbish little
upgraded clutch
vems ecu or a homefried chip
bigger ic (i would also go for wagner tuning inlet, reversed, 034motorsport has this stuff)
3" exhaust with race catalyst
bigger injectors and fuelpump
i would also port and polish the head (not needed but why not when it is apart?, rev high? titanium retainers and stiffer valve springs)
7a exhaust cam/ catcams

that is a nice summary.

[DarrenM]

use low compression metal headgasket too.

[Big Lee M]

Don't forget the most important thing, DEEP POCKETS.

[Rocco]

Don't forget the most important thing, DEEP POCKETS.

+ 99999999999999999999999999999999999999999

[sim16v]

Thanks for the welcome and info

I'm UK based and the car is a '91 model so i don't need the cat.

I've messed about with cars for years so I know nothing is cheap, but the car was cheap to start with so I'm prepared for some big bills.

I've normally had VWs and BMWs in the past, so i haven't a clue where to source the correct bits.

What places/companies would you recommend for the parts i'll need?

Ta

[K Simmonds]

VAG parts are very good, GSF aren't bad either. It helps that you have been into VW's as there's quite a few similarities in the way these cars are put together.

[GazzaG60]

400 is easy. unless you want to make lots of torque.

its all about moving the power up the rev range.

standard engine with metal Gasket.
rods are a good comfort zone mod.
bigger turbo. its about compromise and opinion. i run s61 it will make 400hp at about 1.25bar.
standard IC is on limit but will do it.
exhaust 3" a must.
big cone filter to fit big turbo.
at least a 440cc injector to be in the zone.
a bigger fuel pump to keep the DC low.
i run vems, motronic or other will do it also.

if you want 400 hp with low down you need higher spec stuff as

1. the torque with a smaller turbo and higher boost will be more.
2. itll be turning into a fireball so an intercooler becomes needed.

i made 321hp at 5krpm with standard everything except turbo and exhast. it was starting to run toward 13:1 at the time so egt on the up so i aborted. if it held the torque at 325 as it was till 7k or so and i expect it would thats about the 430hp mark.

hope that helps

3k is needed in the pocket i say.
and 1k for brakes

[GazzaG60]

fit some scat rods whilst its apart. speak to paul at the boostfactory stateside what the dollar is not gonna sting your bum