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Originally Posted by PECivil
More questions for the experts....
Does anybody have any longevity with these systems?
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kits been running now for over two years now, lots of track cars, maybe 200+ installs.
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How much boost do they run?
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6.5 to 8.5 PSI is normal, stock internals are only good for upto 10lbs, beyond that you'll blow the stock motor, but before you hit that, the clutch and fuel pump give out, after that you might run into transmission issues.
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Are internals being rebuilt? compression ratios getting dropped?
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comptec have built and dropped compression ratios for some of the cars i've worked on.
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Is the systems management written in software or do they resort to tricks such as rising rate fuel pressure regulators? Larger Injectors?
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on the sc applications its all software, on the big turbo cars we've employed both, our software is properly live mapped on a steady state dyno, we scale the injector constants and don't just max out the base maps like the others.
Injectors are larger, 550s are just ok for upto around 270, but beyond that the 630/650s are recommended.
hope that helps some.