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- Sep 15, 2007
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And that was entirely my point. I was pretty sure you weren't asking the CR question with race gas in mind for your daily driver.
On pump gas i can run around 17 psi boost, it also requires a tune adjustment. My point is that even with 9.5:1 compression you can run high boost numbers. You dont have to go down that far ie 9:1 or 8.5:1 like some people will do. Hell if i wanted to run my car on Race gas only i would have built it to 10:1 or higher. If you have a good tuner, the right quality of fuel, and good engine components you can run high compression on a boost motor. Most people think you have to drop the compression down alot to run alot of boost.