My gatermans are getting really noisy
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From: Hawkeye state
My gatermans are getting really noisy
I have my gatermans cranked down to around .13 at 20 flats and still getting louder. I did change to synthetic and they were not any louder at first and now the clatter is getting more excessive. They were quiet as a church mouse at .1 before. Going for some black ops as advised by a local builder. Also been hearing of some roller failures with the gatermans so being paranoid and want to get ahead of the game. Is it common to run into lifter issues with synthetic?
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From: Honah Lee
No, has nothing to do with it. All they need to do is pump up enough to take all the clearance up. They actually overshoot and the valve spring overrides them or the valves would stay open. Are you sure you are hearing lifters? I would rather under shoot as overshoot since if you run out and bottom them, then the valves will stay open. Maybe, the push rod is loose. Did you loctite them with non permanent grade usually referred to as blue? Ask Gaterman. They sure look impressive on there site for their claims.
Last edited by Jackie Paper; Jul 8, 2015 at 05:54 PM.
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Elite HDF Member
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From: Hawkeye state
No, has nothing to do with it. All they need to do is pump up enough to take all the clearance up. They actually overshoot and the valve spring overrides them or the valves would stay open. Are you sure you are hearing lifters? I would rather under shoot as overshoot since if you run out and bottom them, then the valves will stay open. Maybe, the push rod is loose. Did you loctite them with non permanent grade usually referred to as blue? Ask Gaterman. They sure look impressive on there site for their claims.
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From: Oxford, Nc
I think synthetic may increase the noise in hot weather. My bike sounds 'normal' going into work at 6:00 in the morning and then sounds like a bucket of loose change on the way home (when its 95 degrees outside.)
Op, I ran the Black Ops when I did the cam swap. I don't think they were any quieter than the Chevy lifters that I run now.
Op, I ran the Black Ops when I did the cam swap. I don't think they were any quieter than the Chevy lifters that I run now.
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Elite HDF Member
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From: Hawkeye state
I don't mind going back to conventional oil. just don't feel like dropping fresh synthetic to go back to conv oil to keep noise down if other lifters are not as noisy with either type of oil, Plus the whole made in China thing keeps dinging a gong.
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From: Poolville
If you're running 24 tpi pushrods then 20 flats will put you right at .138". You can add 2 more flats but that's it.....Evo's do not like synthetic oil. dump it......
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From: deland,florida
ide pop the cover off & check your bearings as well as removing the lifters for inspection.we don't use gatermans here for this reason (noisy on occasion),we use S&S (would be my suggestion for you too),don't ever locktite p/rod jam nuts either
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From: Honah Lee
No loctite. Not loose. Learned a valuable lesson with loctite when you need to pull and or readjust pushrods. Jamb nuts were still nice and tight. Never heard of one coming loose if tightened right. Gaterman himself said to go back to conventional as other have had same issues with synthetic. Im skeptical of that being the case. Sounds like the black ops are a delphi lifter "B" that gets some black coating.
I know my Harley with close to 50 K will make a certain tap at a certain coming off throttle position that sounds like lifters. I have always thought it was rocker arm side clearance however.
