LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LT1 heads and questions?? What cc is a LT1 head?

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Old Apr 12, 2006 | 07:01 PM
  #1  
Mike96z's Avatar
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From: Dallas, TX
LT1 heads and questions?? What cc is a LT1 head?

Are the stock LT1 heads 54cc???? That's what I found and LT4 is 54.4cc. Also could anyone give me these stock numbers?

Cylinder head Volume (CC) = 54.0
Piston Top Volume (CC) = 0.0
Cylinder Bore (Inches) = 4.000
Cylinder Stroke (Inches) = 3.480
Deck Height (Inches) = 0.030
Head Gasket Thickness (Inches) = 0.020
Old Apr 12, 2006 | 08:44 PM
  #2  
EnerjetF67's Avatar
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Re: LT1 heads and questions?? What cc is a LT1 head?

I'm pretty sure that the nominal cahmber CC on stock LT1 aluminum heads is 58cc.
Old Apr 12, 2006 | 09:14 PM
  #3  
GetaZforgetGT's Avatar
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From: Carlisle, PA
Re: LT1 heads and questions?? What cc is a LT1 head?

LT4 is 54.

There has been a lot of debate about the LT1 heads.
Most say that their heads fell between 56 and 58 CC.
The only real way to be sure is to have someone CC them.
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