is 11.1 comp to much
is 11.1 comp to much So is it...building a nitrous motor and really want to throw a single turbo on it...compression is about 11.1 may be able to drop down to 10.5 10.1... Is it possible if I run e85.
I run 11:1 compression with a very high DCR cam (8.8:1). I put 5k miles on my 130,000 mile stock bottom end ls1 mostly on 8lbs of boost with 92 pump gas and 100% meth injection from a 15gph nozzle. I have made a few passes on 11-12lbs of boost and even one on 15-16 lbs of boost with a little avgas. Keep your timing conservative and your octane up.
Almost forgot to mention Intake air temps are critical. My IAT's are always 5-15 degrees below ambient air temp with the meth so this really helps. You start blowing hot air (150+ degrees) and parts won't last long.
Almost forgot to mention Intake air temps are critical. My IAT's are always 5-15 degrees below ambient air temp with the meth so this really helps. You start blowing hot air (150+ degrees) and parts won't last long.
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I run 11:1 compression with a very high DCR cam (8.8:1). I put 5k miles on my 130,000 mile stock bottom end ls1 mostly on 8lbs of boost with 92 pump gas and 100% meth injection from a 15gph nozzle. I have made a few passes on 11-12lbs of boost and even one on 15-16 lbs of boost with a little avgas. Keep your timing conservative and your octane up.
Almost forgot to mention Intake air temps are critical. My IAT's are always 5-15 degrees below ambient air temp with the meth so this really helps. You start blowing hot air (150+ degrees) and parts won't last long.
Almost forgot to mention Intake air temps are critical. My IAT's are always 5-15 degrees below ambient air temp with the meth so this really helps. You start blowing hot air (150+ degrees) and parts won't last long.
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