





Have some 853 heads, what to do
Question is, Should I go ahead and port and polish these heads and put them on my Z or finish up the suspension parts and call it a day.
2002 Z28 M6
stock 241 heads with 918 springs
TR230 cam and tuned
bolt ons
As of right now, I am not selling till I make up my mind.
Just note that you gotta have headers to go with a H/C setup.
why did you go with 5.3 heads?
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There is nothing wrong with porting the 853 castings at all. Some porters even prefer them over other castings. Heck I'm running some old ABS heads (853's) and putting down 461/425 on a reletivly small cam. I say go for the 853's or send in the 6.0's to have the chambers welded up to bring your compression back up. This is what Patriot calls LS6 style heads
.Dan


