I'm doing a quick top-end on my 327. I have a new set of hydraulic lifters I was going to install while it's apart. I remember hearing that installing new lifters without a new cam too is a no-no. Anybody have any thoughts on this?
You can put NEW and USED lifters on a cam! New or not!
If the lifters are used, all you need to do it take some crocus cloth or emery paper onto a piece of glass, and scuff the lifter face in a figure 8 pattern. This will 're-set' the lifter face. Then, as usual, break in the cam, and you're set!
I put new lifters on a used Z/28 solid lifter cam. Planned on selecting a better cam later and didn't have the lifters in as-removed order.
The cam went flat, metal shavings got in the oil pump relief valve and the oil pressure went to ZERO!
Other than that, it worked great!
I put new Rhoads lifters in my 67SS Chevelle because I had a ticking sound with my old stock lifters. I did not change the stock cam but used a generous amount of break-in lube on the face of the lifter. I have not had a problem with my cam going flat but they clack like crazy.
I was concerned about this until I read the brochure that came with the lifters and it indicated that this was normal to these type lifters... somewhat unique to their design. Kind of solid lifter sound with hydraulic lifters.
So my experience is that putting in new lifters with a used cam is not a problem.
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