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Cam and gear question with N20

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Old 11-12-2011, 02:14 AM
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Default Cam and gear question with N20

How would this cam do on spray? 239/247 .623/.623 110lsa stock cube ls1 stock heads and a fast 92. I don't know to much about what works best with nitrous as I just picked up a new car and plan to spray it early next year. I'll have to have the converter re-stalled and put more gear in it as it has 4.11's now. Oh the cam is on LSL lobes. I hardly ever do any 1/4 mile stuff and was wondering if I could get away with the 4.11's or step them down to 3.90's. What would go faster to the 1/8th....spraying on 4.11's or 3.90's? Or should I just put 3.73's in it? I'd like to run it on motor some so don't want it to be a dog out of the hole.
Old 11-12-2011, 08:53 AM
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Nitrous likes tall tires and/or gears, but you want to run good on motor also correct? My vote is 3.89s since it's an 1/8 mi car. If 1/4 mi, I would go with a taller tire.
Old 11-12-2011, 01:50 PM
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Originally Posted by shortdog
Nitrous likes tall tires and/or gears, but you want to run good on motor also correct? My vote is 3.89s since it's an 1/8 mi car. If 1/4 mi, I would go with a taller tire.
This is a new Z28 I just picked up. It's a cam only LS1 with stock 241 heads. It has 28" tires on it now with the 4.11's. It can fit a 30" tire though if I needed it to as the rear is narrowed 3" and has had some extensive modifications to clear 30" tires.

I was thinking 3.89's too. By the time I run it in the 1/4 it will probably have a built 408 in it so I can spin it higher than this motor.
Old 11-12-2011, 06:13 PM
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You're in Greensboro? You ever go to Piedmont?

Maybe we can line 'em up some time.
Old 11-12-2011, 06:37 PM
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Originally Posted by NVmyVETTE
You're in Greensboro? You ever go to Piedmont?

Maybe we can line 'em up some time.
I'll be there tomorrow. I'm there almost every week the track is open either with my car or helping someone else.




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