refacing valve lifters
Comments
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I'd buy new ones from Dale Cooper.
Kim0 -
Dale cooper sells new lifters. Otherwise they can be refaced by any engineer who has a tool post grinder fitting for a lathe. Mount the lifter in an old 3" Hudson piston, through the wrist pin hole, which will give the correct radius. If you can't find anyone to do them I have a fitting for my valve refacer that works, but you will have to pay postage to New Zealand and back.
Geoff0 -
Al Saffrahn in AZ does a nice job on them.0
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Don't fool around, buy the new ones and save yourself a job to set them. Walt.0
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Walt, having them refaced properly is a fair bit less expensive. I've never had a problem with refaced ones. And don't you have to set the new ones too?0
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It's been a long long time, but my father had one fail in his 1947 Super Six. I took it to work (machine shop as apposed to present day donuts) and had it tested for surface hardness. "70 Rc" I assumed they were case hardened and wouldn't grind too much off. Just an old goats opinion.
Fred
PS: I hope my donuts never test that hard0 -
They are not case hardened. You can regrind them, like a camshaft, they are hard all the way through.0
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Thanks Geof, never to old to learn.
Fred0 -
Just called Dale and ordered a full set along with some other needed engine parts.
Thanks guys0 -
When they are refaced and all the wear part in the middle is removed, they drop too low and the wrench can not be put on the lifter to hold it solid and if you try to just loosen the lock nut you can end up with a broken housing. Bad news. Install the new lifters and enjoy the ride. Walt.0
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Almost anything can be taken too far and thus cause problems. If the lifters are refaced with due attention to "how far," there's no problem of getting a wrench on them. Obviously if they're worn too far or have been resurfaced before, that's one thing, but I see no reason to abandon well-proven renovation procedure and spend money unnecessarily on new lifters just because they're available.0
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Cheaper in the long run with new lifters. Walt.0
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