07-01-2010, 10:37 AM
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#1 (permalink)
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A True Z Fanatic
Join Date: May 2010
Location: SLC, UT
Posts: 1,671
Drives: '08 Evo X | '10 370Z
Rep Power: 20
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Quote:
Originally Posted by Jordo!
I'll take your word on it... you clearly know your onions on engine building and tuning... 
That said, on my old 2ZZ, which had a slightly higher CR, the ringlands were very fragile...  |
I was just assuming. I've never seen a stock 370Z piston. Higher CR can also be accomplished with cylinder head bowl volume, piston crown design, rod length, shorter deck height, etc.
I'm probably wrong assuming that; most newer low-emissions engine designs utilize thin top ring lands and tighter ring gaps (bad combination) for emissions reasons.
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'10 PW 370Z 7AT - wife's car - Project Raspberry Cheesecake
'08 Evo X - built motor+trans | BB-X @ 32 psi | CH3OH | self-built+tuned - ??? WHP
'01 Galant V6 - built motor | GT35R | self-built+tuned - 550+ WHP (retired) |
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