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Old 01-10-2020, 09:45 AM   #35 (permalink)
Hotrodz
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Join Date: Aug 2012
Location: NW, AZ
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Drives: 10 Nissan 370z Nismo
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Quote:
Originally Posted by Irishrogue View Post
For what it's worth, I went with 9:1 compression on my rebuild and did 685hp 615 tq on 91 octane at 20 lbs of boost. I don't have the low end problem spooler was talking about, I think that's mostly credit to Seb's tuning abilities with the throttle response. From what Seb explained to me the main limiting factor to running higher boost is the intake manifold.
The manifold becomes a problem on low compression high boost builds. Once you go above 24 psi the manifold becomes a factor as well.
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