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I've contacted Comp Cams about the lifter noise. Of course their answer to the problem was to replace the lifters. Another sale for them. I was asked if when I put thumb pressure on the rocker arm at the push rod does the tapping increase? Well I had done that and the tapping did increase. They say the lifters are probably defective , be it a mechanical problem or possibly dirt in the lifter. My question is should a hydraulic lifter compress with just thumb pressure ?
noQuote:
Originally posted by Deluga
I've contacted Comp Cams about the lifter noise. Of course their answer to the problem was to replace the lifters. Another sale for them. I was asked if when I put thumb pressure on the rocker arm at the push rod does the tapping increase? Well I had done that and the tapping did increase. They say the lifters are probably defective , be it a mechanical problem or possibly dirt in the lifter. My question is should a hydraulic lifter compress with just thumb pressure ?
[QUOTE]Originally posted by Deluga
I've contacted Comp Cams about the lifter noise. Of course their answer to the problem was to replace the lifters. Another sale for them. I was asked if when I put thumb pressure on the rocker arm at the push rod does the tapping increase? Well I had done that and the tapping did increase. They say the lifters are probably defective , be it a mechanical problem or possibly dirt in the lifter. My question is should a hydraulic lifter compress with just thumb pressure ?
Sounds like the valving in the lifters are worn. I have heard of a bad lifter problem a while back where no good lifters could be bought. I don't really know the details because I was running solid roller. I got this info from Cam Motion. Maybe you can look those people up and give them a call.Quote:
Originally posted by Deluga
I've contacted Comp Cams about the lifter noise. Of course their answer to the problem was to replace the lifters. Another sale for them. I was asked if when I put thumb pressure on the rocker arm at the push rod does the tapping increase? Well I had done that and the tapping did increase. They say the lifters are probably defective , be it a mechanical problem or possibly dirt in the lifter. My question is should a hydraulic lifter compress with just thumb pressure ?