Wanting some advice guys, and tuners advice, I have a V5 sti and looking to upgrade to approx 450bhp. Lets torque bhp site projects figures of 0-60 = 3.15 and 0-100 = 8. ( with a weight of 1250kg)That is what i'm looking for.

My question is what is the best route, rebuild mine with stronger internals or go for a 2.5 with uprated internals?

I'm looking for longevity aswel, and one which can handle spirited driving more!!

What would the limit be in terms of bhp for the 2.0 with uprated internals, I would prefer minimal lag, so no ernormous turbo and very driveable...

all advice apreciated

 

http://bbs.scoobynet.co.uk/showthread.php?t=511746

 

youd need an enormous turbo to get that power so you will have lag, cant have one without the other...

(on a 2.0 anyway)

 

or get your 1250kg down to 1150 by junking a load of unnecessary crap then you won't need 450bhp

 

no lag on the 487bhp wr1 issue 57 and its still a 2.0

 

NO lag?

 

iss 57 jap performance

 

http://www.rogerclarkmotorsport.co.u...fld_graphicRef

 

As Neilo says, you cannot have NO lag with a turbo thats big enough to produce such power, despite what you read in any magazine.

The turbo, breathing, and ECU choice (and mapper) can reduce these to a minimum.

I have been in this car and know the owner well. It is exceptionaly well built/specced and mapped and as friendly as you will get for such big BHP but it gets 1.0 bar at about 3400 RPM so it has lag.

A standard 270BHP has lag with a relatively small turbo!

 

thanks for clearing that one up

 

and for not making me look like a tit

 

 

Have a look at www.scoobyclinic.com they have a tuning package you might be interested in. Only about £14k for the full package

 

lots of interesting replies, but no suggestions as to which route either 2.0 or 2.5?

Reason I ask is, is 450 on a 2.0 more reliable than on the 2.5 and is achieving 450 on a 2.5 easier so as to speak?

 

450 bhp on a 2 litre is no big deal and properly built will be very reliable.
Arrow rods, Omega pistons, a small bump in compression, mild head and inlet manifold work, 740cc injectors, the correct tubular headers and 3" open neck exhaust system and inlet system and a properly mapped ECU and you have sailed past 450 bhp.
If you are serious, have a word with Roger Clark Motorsport.
www.geocities.com/harveysmith3000

 

tell that to my wallet

I second the roger clark

might be worth having a read of http://www.scoobyclinic.com/ under tuning for a very rough idea of cost

 

I thought you were Rich?

 

Turbo?

 

Yes you will need a turbo as the VF 28 will struggle much over 350bhp.
Matt clark can give the options if you are going ahead. Don't go for something too big. I have two Ion turbos here, both capable of 500+ bhp and both under £1K.