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How much???

This is a discussion on How much??? within the Nitrous forums, part of the LSx Technical Help Section category; I'm building a stock cubed motor with a Forged Steel crank, Mahle forged pistons, Compstar H-beam rods, PRC stage 2 ...

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    Y2KSS #4099 00ssSLP's Avatar
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    How much???

    I'm building a stock cubed motor with a Forged Steel crank, Mahle forged pistons, Compstar H-beam rods, PRC stage 2 heads,F.A.S.T 90, a 90mm wilsons manifold T/B and 32lbs svo injectors. I was wondering how much N20 I could put to this motor all the time and how much I could put to it every once in awhile. I was thinking a 150 1st stage and a 100 2nd stage and the 2nd kit would only be every once in awhile like insurance thing?

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    Quote Originally Posted by 00ssSLP View Post
    I'm building a stock cubed motor with a Forged Steel crank, Mahle forged pistons, Compstar H-beam rods, PRC stage 2 heads,F.A.S.T 90, a 90mm wilsons manifold T/B and 32lbs svo injectors. I was wondering how much N20 I could put to this motor all the time and how much I could put to it every once in awhile. I was thinking a 150 1st stage and a 100 2nd stage and the 2nd kit would only be every once in awhile like insurance thing?

    From what I hear you could probably do that without the rebuild even. Maybe a 2 stage 175/175 350? Maybe 200/175? Probably as much as you would want to, that's for sure lol.

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    Member tyxpx's Avatar
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    You could push way more than that on a forged bottom end on a ls1....I've heard of people doing 150-175 for years on stock bottom end with out problems. The tune has a lot to do with it also. You would also want to add a higher capacity fuel pump to those mods, probaly colder spark plugs too.

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    Y2KSS #4099 00ssSLP's Avatar
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    Thanks for the info guys. I think I will up it then to a 150/150 and see where that puts me at the track. I would like to run pretty good into the 10's with traction. I have a tranny lined up I just need to get my 12 bolt now. What would you suggest for a fuel pump tyxpx?

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    Member tyxpx's Avatar
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    Walbro 255....I know of many people that upgrade to that one for nitrous applications.

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    Y2KSS #4099 00ssSLP's Avatar
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    I have a Walbro 255 but I didn't think it would be big enough.. I will have to get it dynoned and see if it's running lean or not. Thanks

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