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ms4 and valve relief cuts

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Old 01-09-2009, 02:13 PM
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Default ms4 and valve relief cuts

i have talked to a couple of people. some say cut and others who have had the cam say they didnt have to. tsp said i will need them...

im getting a ms4 with a pair of ported l26 heads that have not been milled.

what head gasket and push rods do i need? what rocker ratio would be best?
Old 01-09-2009, 02:52 PM
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Is that ported LS6 heads with stock valves or larger than stock?
Old 01-09-2009, 03:52 PM
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I would stick to the 1.7 ratio.
I would assume that stock LS1 gaskets would work.
As always, you should use an adjustable pushrod to verify your pushrod length.
Old 01-09-2009, 04:25 PM
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yes, stock valved heads
Old 01-09-2009, 04:28 PM
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Originally Posted by trav00ws6
yes, stock valved heads
if they are stock valves you should be ok...

im running ms4 and the prcls6 stg1s..
Old 01-09-2009, 05:06 PM
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i mean, i will check, just wanted to make sure.




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