They are using the .650 lift figure with 1.875 installed height. I run 1.850 and i thought brenx ran 1.825?? can't remeber. If you were using 620 or more lift, it may need to have the advertized installed height of 1.87 to be safe, and not get too close to spring bind.
Ta. Looks like I may need to look for new springs. The springs have all the right pressures but I think they'll coil bind. I'll verify my installed height when I'm sorting the heads.
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