everfife Posted March 5, 2015 Report Share Posted March 5, 2015 (edited) Ok, so I have the XR275HR cam with LS6 yellow springs on L92 heads. I am installing 76mm@ 8lbs turbo(I know, not a good boost cam, but Im running with it). I just purchased the PRC 320s springs rated at .650 . When installing the springs, do I have to change anything as far as spring height? The LS6 spring height is 1.800 while the PRC are 1.810. These springs were recommended by another SS member. I see that the springs are rated 144lb @ 1.810 closed and I cant seem to find the LS6 spring specs. Any information is appreciated Edited March 5, 2015 by everfife (see edit history) Quote Link to comment Share on other sites More sharing options...
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