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#8
Originally Posted by ForceFed HP
they are a direct fit, but a stock 5.7L for stock 5.3L swap is not worth the effort IMO
#10
I can shift faster than you.
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Stock 5.3l heads have 1.89" intake valves and a chamber setup for a stock 5.3l bore (3.78"). They flow slightly less than a stock LS1 cylinder head, but not by much.
If the heads are not milled, they will take the same length pushrod.
Jason
If the heads are not milled, they will take the same length pushrod.
Jason
#11
Originally Posted by Jason99T/A
Stock 5.3l heads have 1.89" intake valves and a chamber setup for a stock 5.3l bore (3.78"). They flow slightly less than a stock LS1 cylinder head, but not by much.
If the heads are not milled, they will take the same length pushrod.
Jason
If the heads are not milled, they will take the same length pushrod.
Jason