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Old 05-20-2008, 08:37 PM   #8
1cleanS13
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Join Date: Jun 2006
Location: Phoenix, Az
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Is it true that dynapacks read about 10% lower than dynojets? I saw a few comparison vids online showing back to back runs on the same car and conditions and the dynapack consistently read 8-10% lower every time no matter what car.

I was kinda wondering why my numbers seemed a little low at 1 bar making only 315whp and 289wtq....

Also, is the general rule of thumb that 1 psi = roughly 20whp? If so, at 18psi I should be around 370 which is what I expected but my tuner would only do a "conservative" tune on 91 octane pump gas. I thought the gt2871r .64 was most efficient between 18-21psi....
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