N2O Tech Discussion for the use of Nitrous Oxide

GM 847 and nitrous

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Old Apr 16, 2008 | 07:06 PM
  #1  
LSWHO's Avatar
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GM 847 and nitrous

Would these pair up decently? I was just wondering. I know nitrous cams are set up a certain way.
Old Apr 17, 2008 | 09:11 AM
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Seems like OneFlyn95z28 ran that cam with nitrous and did pretty well with it.
Old Apr 17, 2008 | 05:31 PM
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Seeing how I have Ellis's 847 cam in my 396... with nitrous plans, I'd say it's "ok".

Most N/A cams are a good place to start for N2O. Nitrous-dedicated motors however will benefit from increased EXHAUST duration, and by moving the opening and closing times forward (via increased lobe separation... say a stock-looking 114 or 116 degress).

More overlap isn't so much a problem, nor is less intake lift/duration... it's mostly about exhaust timing.

The 847 is fairly good on both accounts. exhaust duration is quite long, and moved forward almost 10+ degrees over stock. The exhaust lobes also have a good amount of lift, but you could put 1.5RR's on it if needed.

Last edited by Steve in Seattle; Apr 17, 2008 at 05:52 PM.
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