Noisy !!!
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3rd Gear
Joined: Jun 2014
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From: Avenel, N.J.
Noisy !!!
Since I installed S&S gear drive cams and quickie push rods in my '05 TC88 it's been noisy as heck after it gets hot, Cold it sounds normal. I used the stock tappets as a money saving effort, could that be the source of the noise ? It sounds like an old iron head Sportster. Hopefully someone can help me out with this.
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Joined: Jun 2006
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From: san antonio
Since I installed S&S gear drive cams and quickie push rods in my '05 TC88 it's been noisy as heck after it gets hot, Cold it sounds normal. I used the stock tappets as a money saving effort, could that be the source of the noise ? It sounds like an old iron head Sportster. Hopefully someone can help me out with this.
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3rd Gear
Joined: Jun 2014
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From: Avenel, N.J.
Thanks for your input, the lifters have less than 20,000 miles on them that's why I thought it was ok to reuse them. I adjusted them 4 turns after no lash as you would an S&S tappet, was that the right adjustment for a stock lifter ? Thanks again.
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From: san antonio
You would think just the opposite if the gear lash was loose; noisy when cold but quieter when hot and everything expands
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3rd Gear
Joined: Jun 2014
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From: Avenel, N.J.
Yes 32 TPI on the push rods. Thanks again for your help, I have a better idea now what to try. The bike runs great but the noise bothers me. I always figure that if something is making excessive noise then something is wearing out prematurely.
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Joined: Mar 2013
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From: Olive Branch MS
I encountered the exact same problem with a 96". Threw in some big S&S cams and cold the bike was awesome! Once it got hot and the oil pressure at idle dropped below 15psi the lifters lost their oil prime and in turn lost the correct valve lash setting causing the noise and even causing the engine to run like crap at idle. You could bring the rpms up and get some oil pressure to the lifters and it was fine until you let it idle again. I have honestly been scared to death to do cams again in another one for fear of encountering this problem.
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From: Hawkeye state
I encountered the exact same problem with a 96". Threw in some big S&S cams and cold the bike was awesome! Once it got hot and the oil pressure at idle dropped below 15psi the lifters lost their oil prime and in turn lost the correct valve lash setting causing the noise and even causing the engine to run like crap at idle. You could bring the rpms up and get some oil pressure to the lifters and it was fine until you let it idle again. I have honestly been scared to death to do cams again in another one for fear of encountering this problem.
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HDF Community Team
Joined: Jun 2006
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From: san antonio
I encountered the exact same problem with a 96". Threw in some big S&S cams and cold the bike was awesome! Once it got hot and the oil pressure at idle dropped below 15psi the lifters lost their oil prime and in turn lost the correct valve lash setting causing the noise and even causing the engine to run like crap at idle. You could bring the rpms up and get some oil pressure to the lifters and it was fine until you let it idle again. I have honestly been scared to death to do cams again in another one for fear of encountering this problem.
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Joined: Mar 2013
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From: Olive Branch MS
Thanks for the replies guys. Next time I will for sure add that Axtell valve. We ended up going with S&S lifters with limited travel spacers which effectively makes it a solid lift valve train. While it still makes the noise but not near as bad they cant leak down to the point of causing running issues. I am thinking we are gonna pull the cam plate and install the Axtell valve as suggested and get rid of the spacers.
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