Lateral-g Forums - View Single Post - LS3 head Lq9 fun in a truck

Quote:

Originally Posted by 70rs

I believe the bore on the 5.3 is too small to run the LS3 heads. Maybe someone else can chime in and confirm that?

yeah, you need a 4" or larger bore for the LS3/L92 heads. I think you can machine the block for valve clearance, but not the way to go.

Jody

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Jody

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