C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

383 ?

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Old Oct 22, 2002 | 09:46 PM
  #1  
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dave g
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Default 383 ?

have a 383 with edle rpm performer heads and tpi intake both upper and lower long tube headers 1 3/4 with flowmaster exhaust. what do you think my 1/4 time should be . it a 86 vet with auto trans just trying to get a fairly close eistament
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Old Oct 23, 2002 | 12:48 AM
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Default Re: 383 ? (dave g)

sounds like it should be fast. what kind of cam are you running. with the right cam that should run a 12-low 13. but that is just a guesse. also depends on tires and what-not.
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Old Oct 23, 2002 | 12:53 AM
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Default Re: 383 ? (dave g)

my guess would be high 12s

You should think about replacing the TPI intake for a Superram. Are you still running the stock TC? Id go with something bigger there too, would drop you a fair bit in ET.
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Old Oct 23, 2002 | 01:00 AM
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Default Re: 383 ? (vader86)

any 383 built right should do 12's (imho).
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Old Oct 23, 2002 | 01:42 AM
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Default Re: 383 ? (GlockLT4)

save for a superram & converter, you will do low 12's if you do, in your case i'd guess low 13's to high 12's, once you get a feel for the racing probably high 12's. a converter and SR will knock off half a second.
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Old Oct 24, 2002 | 01:18 PM
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Default Re: 383 ? (gtsyellow)

might as well say high 9's until you take it to a strip- otherwise, it doesn't really matter, does it?
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