This is a discussion on Valvetrain noise within the Internal Engine forums, part of the LSx Technical Help Section category; those are some good numbers chief. bamaz28 said that you should do new lifters with a cam swap which i ...
02-29-2008, 03:58 AM #21
those are some good numbers chief. bamaz28 said that you should do new lifters with a cam swap which i think is a good idea, but i was told it did not have to be done on ls1's. i have some lifter tap in mine to after my cam swap.
02-29-2008, 05:05 AM #22
At the time that the h/c swap was done the shop said that new lifters wasn't exactly required since my bird only had about 55000 miles on her(and they looked good and all), but now I'm thinking I should go ahead and swap them for some better ones. Does anyone have some suggestions for some good lifters?
02-29-2008, 11:11 AM #23
- Join Date
- Feb 2006
chieftransam - Before going through the hassle of replacing the lifters, I would recommend you buy a pushrod length checker and check your valvetrain geometry. I'd bet they're too short. And if so, there is a good chance that a simple pushrod change will fix the sewing machine noise - which is MUCH easier than a lifter swap!
02-29-2008, 11:17 AM #24
They weld them... screw that, mine were milled. whew! So yeah that could be a problem, length that is. But like I mentioned, mine sounds like a nice sewing machine going at it. Just more obvious with different oils and weights.
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