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High compression nitruos motor

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Old Jul 14, 2008 | 01:32 PM
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Default High compression nitruos motor

Ok whats the highest compression yuo would want to run on a nitrous motor down here that will pretty much always be run on 93
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Old Jul 14, 2008 | 02:41 PM
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I wouldn't do more than 12.5:1 for pump gas . Detonation is not your friend in FL .

Your going to need to pull a significant amount of timing for it to not ping on nitrous as well .
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Old Jul 14, 2008 | 04:15 PM
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I wouldn't run 12.5:1 unless you can get timing spot on. Maybe 11:1 or a tad more.

How big of a shot are you running and what's your set-up?
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Old Jul 14, 2008 | 05:05 PM
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Originally Posted by Jap
I wouldn't do more than 12.5:1 for pump gas . Detonation is not your friend in FL .

Your going to need to pull a significant amount of timing for it to not ping on nitrous as well .
+1 you always taking care of all the questions... I have ran 12.5:1 LSvtec but never sprayed it. Although most people I raced swore I was on the bottle. Ran great till my brother missed 4th and dropped a valve.(no rev limit wit a damn ebay chip ) Takes me back 4+yrs ago. Just fillup on some real gas when you spay teh bitch.

Last edited by juiced2ndgenteg; Jul 14, 2008 at 05:09 PM.
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Old Jul 14, 2008 | 10:32 PM
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Originally Posted by WonUpRacing
I wouldn't run 12.5:1 unless you can get timing spot on. Maybe 11:1 or a tad more.

How big of a shot are you running and what's your set-up?
With a good tune 12.5:1 is perfectly fine . Your going to as I said either need to pull ALOT of timing for nitrous or run a race gas cell for it .
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Old Jul 15, 2008 | 12:18 PM
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Well ill prob be running a 50-75 shot with rods and itr pistons and prob a thick head gasket... B16 head most likely.. then prob step up to a hundred shot once i build the head id want a reg tune and a spray tune of course
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Old Jul 15, 2008 | 12:30 PM
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Yeah i think i may run jdm itr pistons with a 2 layer gasket which should put me right about 12.5:1 thanks for the input fellas
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Old Jul 16, 2008 | 09:58 AM
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why waste your money on rods and put stock pistons on them? stock rods with arp rods bolts will be more than enough for a setup like that. If your going rods, BUY SOME REAL PISTONS.
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Old Jul 16, 2008 | 11:47 AM
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^ +1...
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Originally Posted by JoKiE crx4294
What do i have to prove to anyone?....umm NOTHING!!
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Old Jul 16, 2008 | 04:13 PM
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because im gonna build it anyway im only gonna run this setup until i pieces together a nice turbo setup and then switch out the the pistons for some forged low comp pistons
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