Ls1 And 862 Heads With Is Better?
10-17-2006, 10:55 AM
#1
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Ls1 And 862 Heads With Is Better? ok i am looking to get some heads for my 98 corvette ....now i have a set of 4.8 862 casting heads i got for free.....can some one give me the spec on both heads the stock 98 ls1 heads and the stock 862 heads ..i need valves sizes and flow numbers and cr numbers too....what i am trying to do is figure out witch head would be cheaper to build on port/polish? i am running NA engine with ls6 intake all stockthere will be going with a cam too but i have to figure out with heads i am going to use
10-17-2006, 01:11 PM
#2
https://ls1tech.com/forums/showpost....2&postcount=41
For the money, it's hard to beat a cnc ported 243 head. I'd look into buying a set of 243 castings milled to 11:1 with stock valves to keep the PTV clearance within acceptable range so you can run a decent size cam.
For the money, it's hard to beat a cnc ported 243 head. I'd look into buying a set of 243 castings milled to 11:1 with stock valves to keep the PTV clearance within acceptable range so you can run a decent size cam.
