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Is anyone removing inner spring for cam break in?
Posted: August 21st, 2015, 6:00 am
by nicpaige
Like the title says. How many have been removing the inner spring for initial cam break in then adding them back afterwards?
Re: Is anyone removing inner spring for cam break in?
Posted: August 21st, 2015, 6:45 am
by jsawduste
If your spring pressures are correct there should be no reason to remove the inner. I would want the cam/lifter interface to be indicative of loading right from the start.
Re: Is anyone removing inner spring for cam break in?
Posted: August 21st, 2015, 6:55 am
by SilverXJ
What springs are you running that have an inner spring?
Re: Is anyone removing inner spring for cam break in?
Posted: August 21st, 2015, 7:26 am
by nicpaige
Hmmm now that I am looking at the Edelbrock head it is only a single spring style.
Re: Is anyone removing inner spring for cam break in?
Posted: August 22nd, 2015, 8:14 am
by IH 392
Never seen a dual spring set up n any AMC?
Maybe an aftermarket roller setup on a V8 with HUGE! valves meant for HIGH! RPM's.
Re: Is anyone removing inner spring for cam break in?
Posted: August 22nd, 2015, 2:55 pm
by CandyCaneXj
I seen a clearwater big valve cylinder head with dual comp springs the seat load for the springs was 102lbs at 1.7 install height but they were installed at 1.6 and with the spring rate it turned out they were 138.5lbs seat load!! I think they were either 1.437 or 1.440 outside diameter.