5.3 Head Question
07-10-2006, 04:57 PM
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5.3 Head Question I have heard alot about guys using 5.3L heads for the higher compression on their LS1's. My question is what has to be done to use these? i am sure they will need to be ported and such, and maybe milled. My question is, with my cam (in sig), can i get the valves to clear the pistons? Will i need to change the valves, can i use the ones from my 5.7 heads?
Finally, about how much does it cost to have heads machined once they are purchased? i know i can get a set for around $450.
Finally, about how much does it cost to have heads machined once they are purchased? i know i can get a set for around $450.
07-10-2006, 05:15 PM
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Call Texas Speed, sponsor to the left or http://www.texas-speed.com They have ported 5.3 heads, and can reccamend a good cam to go with them. I have called them a couple of times with questions, awesome guys to deal with.