I bought an L76 to build for my camaro, and the builder is telling me the motor came with 243 heads compression is at 11.5 to 1 . Supposedly this motor came out of a tahoe that was warrantied. The highest compression I can find listed anywhere is 10.4 in a G8 gt, but that has different heads than what came in this Tahoe. The rotating assembly had material removed like it was internally balanced. Is this some kind of a screw up from the factory??

 

Thats a hybrid L76 engine.

 

That's what he said. does it have 11 .5 to 1 compression with 243s oris he wrong about the compression

 

No, that sounds about right.

 

thanks, I appreciate the input!

 

Looks to be 10.8:1, so I gues with L92's I would be around 10.3:1