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Jon T

09 September 2017 07:55 AM

Max boost pressure

Hi. Whats the max boost pressure you can run on a forged 2.5 sti.?

domino46

09 September 2017 09:47 AM

I'm running 1.75bar but can't see why it wouldnt do a bit more if I wanted but I'm happy with it as it is

scoobiepaul

09 September 2017 10:10 AM

I know it's only got forged pistons but my mark one Litchfield only runs 1.26 bar.:thumb:

Jon T

09 September 2017 12:40 PM

What bhp are you making at1.75 bar?

debbiesonic

09 September 2017 02:02 PM

Depends on spec........ and bravery!

domino46

10 September 2017 06:04 AM

Quote:

Originally Posted by Jon T (Post 11964655)

What bhp are you making at1.75 bar?

531bhp:thumb:

trevsjwood

10 September 2017 09:24 AM

Quote:

Originally Posted by domino46 (Post 11964749)

531bhp:thumb:

that can't be on a standard block with just forged pistons?
Trev

domino46

10 September 2017 09:29 AM

Quote:

Originally Posted by trevsjwood (Post 11964770)

that can't be on a standard block with just forged pistons?
Trev

OP doesn't say anything about the block just forged 2.5 but yes mine is a closed deck 2.5 with 14mm head studs :thumb:

ustolemyname??stevieturbo

07 October 2017 11:28 PM

Quote:

Originally Posted by Jon T (Post 11964607)

Hi. Whats the max boost pressure you can run on a forged 2.5 sti.?

Change psi to cm and as much as that piece of string.

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