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stupid question

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Old Apr 10, 2005 | 04:39 PM
  #1  
mcwille's Avatar
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Joined: Jul 2004
Posts: 132
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From: Ortonville, Michigan
Car: 1987 Trans am 5.7 TPI
Engine: 5.7 TPI
Transmission: 700R4
stupid question

what is the difference bettween a corvette L98 and a trans am L98? where the heads different at all? was the block the same? as far as i know the intakes were identical so why was it rated for more hp on the vette?
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Old Apr 10, 2005 | 05:24 PM
  #2  
Whitels1's Avatar
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Joined: Feb 2005
Posts: 57
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From: Vegas
Car: 99 Z28
Engine: ls1
Transmission: A4
Axle/Gears: 3:42
I think the corvette had aluminum heads, probably a diffrent cam.
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Old Apr 10, 2005 | 05:39 PM
  #3  
Batass's Avatar
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Joined: Mar 2005
Posts: 1,665
Likes: 3
From: Benzie, MI
Car: 91 rs
Engine: Blow through 383, 10 psi, xr288hr
Transmission: Manual th350 ATI 3000
Axle/Gears: 3.50 9"
diff cam , aluminum heads, more compression
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