Lifter Clatter After Cam Install
Thread Starter
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Tourer
Joined: Dec 2006
Posts: 345
Likes: 40
From: Northern California
Lifter Clatter After Cam Install
I just completed installing the S&S 475C cam, S&S oil pump, S&S Cam Plate, S&S lifters and S&S Quickee Pushrods. I extended the pushrods to zero lash, extended them 3.75 more turns, but I could still turn them easily with my fingers. I also flashed the ECU with the PowerVision tuner with a map from FuelMoto and added the Target Tune. I fired the bike up and it runs, but there is loud clatter from the lifters. I only let it idle for about 90 seconds before I turned it off. I called S&S this morning and they said this is normal and it should subside after 20-30 miles and a few heat cycles. Is this everyone's experience also?
Thank you to FLshovelhead for the extremely detailed post, it was extremely valuable. I also viewed the JP Cycles video which was very helpful, but neither mentioned the loud lifter clatter.
Thank you to FLshovelhead for the extremely detailed post, it was extremely valuable. I also viewed the JP Cycles video which was very helpful, but neither mentioned the loud lifter clatter.
HD EFI Guru
Joined: Jan 2008
Posts: 4,496
Likes: 4,789
I just completed installing the S&S 475C cam, S&S oil pump, S&S Cam Plate, S&S lifters and S&S Quickee Pushrods. I extended the pushrods to zero lash, extended them 3.75 more turns, but I could still turn them easily with my fingers. I also flashed the ECU with the PowerVision tuner with a map from FuelMoto and added the Target Tune. I fired the bike up and it runs, but there is loud clatter from the lifters. I only let it idle for about 90 seconds before I turned it off. I called S&S this morning and they said this is normal and it should subside after 20-30 miles and a few heat cycles. Is this everyone's experience also?
Thank you to FLshovelhead for the extremely detailed post, it was extremely valuable. I also viewed the JP Cycles video which was very helpful, but neither mentioned the loud lifter clatter.
Thank you to FLshovelhead for the extremely detailed post, it was extremely valuable. I also viewed the JP Cycles video which was very helpful, but neither mentioned the loud lifter clatter.
Thread Starter
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Tourer
Joined: Dec 2006
Posts: 345
Likes: 40
From: Northern California
S&S lifters will "clatter" after the initial start up. They are usually pretty loud for a minute or two and then quiet down but the noise is louder than normal. S&S gave you a short and to the point answer but that is the answer. The noise will go away. Pre soaking lifter doesn't do anything but lube them.
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Stellar HDF Member
Joined: Sep 2009
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From: Formerly Tampa Bay, FL, Currently Western PA
Mine took about 2-3 minutes to fill with oil, and I soaked mine. And even then it didn't just go away like turning on a switch, the clatter faded out. The only thing I would look for is that the oil light goes out quickly after starting - you just replaced the pump, make sure oil is flowing.
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HD EFI Guru
Joined: Jan 2008
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One thing you can do is remove one spark plug from each cylinder. Once that's done with the key on, press and hold the starter button and do not release it until the engine stops turning on its own. Turn the key off and wait 30 seconds and repeat again. Then reinstall the spark plugs and fire the bike up. This will prime the oil system and help fill the lifters and oiling system before the engine has to run under compression. The BCM controls the starter so it will only allow it to turn the starter for about 30 seconds each time.
