STi V5.....compression ratio higher?
#3
Sti 5 heads won't fit on your legacy
Sti 1 & 2 definitely will, 3& 4 possibly.
wrx/Sti 1,2,3 or 4 pistons will be needed to match compression of head.
You may as well get some injectors while you're at it.
Paul
Sti 1 & 2 definitely will, 3& 4 possibly.
wrx/Sti 1,2,3 or 4 pistons will be needed to match compression of head.
You may as well get some injectors while you're at it.
Paul
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#9
bugger, 8.0 : 1 it is then.
tell you what it is, i want some cosworth pistons, but they only make them for imprezas, but they are more dished than the legacy ones and will drop the cr.
any ideas anyone
thanks for the replies
tell you what it is, i want some cosworth pistons, but they only make them for imprezas, but they are more dished than the legacy ones and will drop the cr.
any ideas anyone
thanks for the replies
#10
Fit impreza heads, £120+vat each from midland impreza
Or get unmachined ones, which you should be able to alter to suit your application.
Edited to add: I think Stevie_Turbo discovered that impreza pistons with legacy heads gives higher compression than standard. OOPS that should be lower than standard.
Legacy heads are higher volume than imp, pistons lower volume than imp.
Paul
[Edited by Pavlo - 7/23/2002 11:57:34 PM]
Or get unmachined ones, which you should be able to alter to suit your application.
Edited to add: I think Stevie_Turbo discovered that impreza pistons with legacy heads gives higher compression than standard. OOPS that should be lower than standard.
Legacy heads are higher volume than imp, pistons lower volume than imp.
Paul
[Edited by Pavlo - 7/23/2002 11:57:34 PM]
#11
hi paul, that price is good eh!
the legacy pistons are flatter, whereas the impreza ones are dished. stevie fitted some impreza heads a while back, and as a result, it detted about 4000rpm
the piston hunt is on
the legacy pistons are flatter, whereas the impreza ones are dished. stevie fitted some impreza heads a while back, and as a result, it detted about 4000rpm
the piston hunt is on
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