LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Shorties killing 383?

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Old 03-11-2006 | 09:37 PM
  #1  
blackedoutbird's Avatar
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Staging Lane
 
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Default Shorties killing 383?

I just put in a Golen 383 440 hp longblock in my 95 Trans Am.

These are the specs on the heads and cam
LT1 castings, ported
440hp @ 6000rpm 460 lbs/ft @ 4100rpm
Duration:
Intake: 224@ .050
Exhaust: 230@ .050
Lift:
Intake: .540
Exhaust: .550
Lobe
112
I have RK Sport shorties from back when I had the 350 in there. Are these shorties hurting my power? What would be the gain if I switched to longtubes? Will it make that much difference?

I kinda ran out of money so I had to stay with the shorties that were already on there.

Last edited by blackedoutbird; 03-11-2006 at 09:45 PM.
Old 03-11-2006 | 09:53 PM
  #2  
94Z396's Avatar
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I'd say save your money and upgrade to some LT's. Will bring out more horsepower and Tq. Look into Pacetter headers. Best bang for the Buck.




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