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!1/4 mile guestemate

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Old 03-25-2009, 06:18 PM
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!1/4 mile guestemate

I built a 1988 trans am.The motor i built is a 383 smallblock chevy9-8 to 1 compression e-tec 200 heads zz9 camshaft(515/555 lift)345 gears,edelbrock headers,IM just looking for a estimated 1/4 mile.Horsepower? Also it has a holley stealthram

Last edited by blackroc68; 03-25-2009 at 06:30 PM. Reason: I forgot fo say what intake}
Old 03-25-2009, 06:23 PM
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Re: !1/4 mile guestemate

low 13s, maybe high 12s
Old 03-25-2009, 06:32 PM
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Re: !1/4 mile guestemate

Really i thought mid to high 12s!! zz4 which are 350 do high 12s i have a 383!
Old 03-25-2009, 06:38 PM
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Re: !1/4 mile guestemate

With some drag radials, you should be on the verge of 11s. But you didn't mention them, and your 383 will spin regular tires instead of moving the car.
Old 03-26-2009, 11:52 AM
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Re: !1/4 mile guestemate

the lift of the zz9 cam only goes to .480 so it can work with the stock valvetrain
Old 03-26-2009, 11:54 AM
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Re: !1/4 mile guestemate

.483 intake lift at 1.5:1 is .515 with 1.6:1
Old 03-26-2009, 01:06 PM
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Re: !1/4 mile guestemate

YES i have 1.6 roller rockers
Old 03-26-2009, 02:25 PM
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Re: !1/4 mile guestemate

did not know that you had 1.6 rollers
Old 03-27-2009, 07:47 AM
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Re: !1/4 mile guestemate

What gears, converter, tires and how much does it weigh?
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