Torque to turn Crower 403's with dual valve springs?
I am going to email crower on this one, but I wanted the opinion of others on this bored, I just got done installing my cams and dual valve springs in my LS and I turned the cams and they were hard to turn, I had to do it with a wrench. I am assuming it is supposed to be this hard due to the dual valve springs. If anyone knows the spec for the torque it should take to turn them let me know thx. BTW pics will be up soon
If I were you, I'd pop the bearing caps back off and make sure there is no damage to any of them. The first time I put cams back in a head, the last cap got damaged somehow and it seized the cam. Not knowing any better, I put a wrench on it and snapped the cam in two. Not too bad on a stock cam from a junkyard, but I'd imagine you wouldn't be too happy with brand new Crowers.
If I were you, I'd pop the bearing caps back off and make sure there is no damage to any of them. The first time I put cams back in a head, the last cap got damaged somehow and it seized the cam somehow. Not knowing any better, I put a wrench on it and snapped the cam. Not too bad on a stock cam from a junkyard, but I'd imagine you wouldn't be too happy with brand new Crowers.
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H22egguy
Engine Machining & Assembly
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Oct 6, 2015 09:49 PM




