12-25-2009, 09:45 AM
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#9 (permalink)
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A True Z Fanatic
Join Date: Sep 2009
Location: Gold Coast CT
Posts: 10,599
Drives: 2019 Corvette G.S.
Rep Power: 43
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Quote:
Originally Posted by BoBoTee
You can't run 20psi on a stock block 370z like you can on the Sti or Evo. Those cars have a low compression 8.5:1 ratio made for boosting. The Z I think is 11:1 ratio. With high compression your are already generating alot of heat and adding an additional 20psi is going to blow the VQ37 to kingdomcome. I think the most boost you can run on the VQ37 from what I've read is around 8psi max on 93 oct. and that's considered high. When I had my Evo I was running 22psi daily driven and 24psi when in race mode all on 93octane.hehe.
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Just curious, how did the Mitsu engine hold up under 22psi/24psi? Any smoke coming out of the exhaust that was maybe darker then usual? I wish I had a dime for every Evo and WRX I've seen over the past few years that were burning oil at an alarming rate.
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SOLD MY Z MARCH 2018 - another Core OG moves on - new ride 2019 Z Corvette Grand Sport - no mods necessary but already have eyes on HFC and intakes LOL IT NEVER ENDS.
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