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Engine: 1970 LT-1 bored 40 over(350 small block). Stock LT-1
iron heads.
Flat top two releif Ross pistons. 4-speed. Vintage A/C. 373 gear.
Your opinions? Positive or Negative.
 

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Depends on what body style the engine is in. If it is in a 70-73 Corvette I would go with what ever came on the car from the factory. Most likely, the stock manifolds. If memory serves me correctly,the original LT-1 engines came only in the Vettes.Any other body style, I would go with the headers.YMMV :D
 

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The LT-1 was used in the Vette and 70 thru maybe 73 Z/28. The engine had an advertized 11:1 C/R and the -178 cam was actualy designed to work with cast iron manifolds.

I would shoot for a .035" to .040" quench. If you zero deck the block and use a .038" composition head gasket, you will be right in the sweet spot. It should run well on pump gas even up to maybe 10.5:1 C/R with a tight quench. Great all around solid lifter street cam.

-Mark.
 
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