Quote:
Originally posted by SVXtasy
Yes but for some reason he dose not replay to my e-mails anymore.
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Care needs to be taken here. 2.2 engine having the same bore and stroke will mean that there is the same swept volume per cylinder, as indicated.
However, it does not
necessarily indicate that a change to the Legacy piston will produce the Legacy turbo C/R,
unless the shape of the crown of the Legacy piston is different, dished or whatever.
It is highly likely the lower C/R for the Legacy is produced by the shape of the combustion chamber in the head, possibly [probably?] aided by thicker head gasket.
An easier route to go might be to have some metal machined off the SVX pistons to lower swept volume/C Ratio.
[ it will reduce the stroke]
After all, the guys are currently working a boosted system with no engine changes other than controlled ignition and boost.
Joe
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