Whos has put milled 317's on a ls1??
10-26-2011, 02:24 PM
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Whos has put milled 317's on a ls1?? Need to know if u had any valve clearance issues with them. Please, someone who has actually done it. The heads are milled 30 thousandths and valve ground
10-26-2011, 02:44 PM
#2
There are tons of folks with 317's on LS1 short-blocks. What are you wanting to know? If it's piston to valve clearance you're looking for, it'll be virtually identical to an LS1 head milled .030". You can clear about a 230º @ .050" intake lobe without flycutting, assuming you still have true flat-top pistons.
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10-27-2011, 09:35 AM
#6
I agree, an LS6 head would be the better choice with a relatively large camshaft. The extra compression will be a welcomed addition for an NA or nitrous combo!
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10-27-2011, 08:12 PM
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What about some 5.3 heads?? 243's arent cheap. And i might be able to swap for some 5.3. But thwy dont flow like 243's at all. 
. 317's do. And id like to keep near stock compression. Thats y i got milled 317's. So the p2v clearance wont work??
. 317's do. And id like to keep near stock compression. Thats y i got milled 317's. So the p2v clearance wont work?? 