Checking valve spring heights.
We differ there, it's okay.
With what i do id rather have a little more than a little less. He will be at about 125-130 psi pn the exhaust and only 100 maybe on the intake. Id shim the intake springs, leave the exhaust. The cam isnt fast, itll be better the not have springs eating into the heads from doing the boogaloo off the retainers at 5000 rpms. Besides... the springs will lose about 7 psi after some rum time ...as well as set more as they seat and wear, now imagine that 100 turning into the 90lb or less spring you just replaced. If it doesnt coil bind, run it. The tightest is 1.57? I bet you have more, are you putting 100 lbs against that retainer whem you measure?
We differ there, it's okay.
With what i do id rather have a little more than a little less. He will be at about 125-130 psi pn the exhaust and only 100 maybe on the intake. Id shim the intake springs, leave the exhaust. The cam isnt fast, itll be better the not have springs eating into the heads from doing the boogaloo off the retainers at 5000 rpms. Besides... the springs will lose about 7 psi after some rum time ...as well as set more as they seat and wear, now imagine that 100 turning into the 90lb or less spring you just replaced. If it doesnt coil bind, run it. The tightest is 1.57? I bet you have more, are you putting 100 lbs against that retainer whem you measure?
