Lifter trouble
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From: Turlock CA
Lifter trouble
So I had the 352 out of my 65 and performed some engine mods. I had the heads completely rebuilt new valves guides seats springs the works. I also installed a small Comp cam and lifter kit. I installed a used Offi manifold that gave me problems down the road(another story). So I removed the manifold after about 1500 miles to change to an edelbrok and inspected the lifters. I found four lifters with a line worn across the lifter. When I checked my tolerance between the rocker and valve stem they were all right at maximum of .150 with lifter collapsed. I found a set of push rods .010 longer than what I had and the engine sounds a lot better. I had installed four used lifters to replace the worn ones and have since bought a new set that will be going in soon. I also bought a set of push rods .040 longer than the originals. I am getting ready to remove the manifold and install all of these parts, what are some thoughts here?
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No they were heavier dual springs that the machine shop installed new during rebuild. I told them what cam was going in and he upgraded them.
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From: Houston
Which way does the line on the lifters go? Hydr lifters are supposed to rotate so if the line is end to end they are not performing right, maybe due to too-long rods?
Anyway your post is a reminder of one of the unintended consequences of rebuilding heads - the rods might not fit any more
Anyway your post is a reminder of one of the unintended consequences of rebuilding heads - the rods might not fit any more
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From: Turlock CA
Wear is from side to side where it rides on the cam. I am just worried that the cam may have also been damaged. It looks ok and there are no metal flakes or anything in the oil. So I am just hoping the cam is ok.
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