Switching to gear drive cams and crank runout???
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Elite HDF Member
Joined: Jan 2006
Posts: 4,357
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From: The Lone Star State
Switching to gear drive cams and crank runout???
I am looking at the TW6g Woods cam. I want to switch to gear drive, and have gotten good feedback on the TW6g cam for low to midrange performance. I have heard that switching to gear drive is the way to go but that crank runout could be a problem.
How do I find out what the runout is? Have a shop take it apart to check?
I am also adding a D&D Fat Cat at the same time. Philm has helped me in that department and has answered a lot of questions already. I want to go to a 95" kit in the future so I want a cam that will work with the 88" and the 95" bore sizes.
I guess I am just wanting to know if I am on the right track and if the runout issue is common?
thanks
Oh yeah, just to answer your question about what I'm looking for: I want a cam that will add torque and hp low to mid, maintains ridability and reliability and is good to build on later if I choose to go bigger bore.
thanks again.
How do I find out what the runout is? Have a shop take it apart to check?
I am also adding a D&D Fat Cat at the same time. Philm has helped me in that department and has answered a lot of questions already. I want to go to a 95" kit in the future so I want a cam that will work with the 88" and the 95" bore sizes.
I guess I am just wanting to know if I am on the right track and if the runout issue is common?
thanks
Oh yeah, just to answer your question about what I'm looking for: I want a cam that will add torque and hp low to mid, maintains ridability and reliability and is good to build on later if I choose to go bigger bore.
thanks again.
Last edited by WARG; Dec 15, 2008 at 10:27 AM.
Road Captain
Joined: Jun 2006
Posts: 723
Likes: 62
From: Cape Cod, Ma.
The only issue will be if the runout is so extreme that it destroys the oil pump. If the crank is so far out it will put too much stress on the rotors in the pump and can cause severe wear or complete failure.
Neil
RDMC
Neil
RDMC
Thread Starter
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Elite HDF Member
Joined: Jan 2006
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From: The Lone Star State
So do most people take the bike in, have it checked and then decide on gear drive or chain drive cams?
Sorry if i sound ignorant about this, but I am...
Sorry if i sound ignorant about this, but I am...
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Extreme HDF Member
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The bad part about taking it in and having it checked is that they have to take it apart to do the measuring. You don't want to pay to have it taken apart, measured, then pay to put it back together. Basically, the bike will have to sit disassembled while you are waiting for your cams to come in if your shop doesn't stock the parts you need.
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Thread Starter
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Elite HDF Member
Joined: Jan 2006
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From: The Lone Star State
The bad part about taking it in and having it checked is that they have to take it apart to do the measuring. You don't want to pay to have it taken apart, measured, then pay to put it back together. Basically, the bike will have to sit disassembled while you are waiting for your cams to come in if your shop doesn't stock the parts you need.
I guess, I could wait until I am ready to order, then take the bike in, have them take it apart, measure the crank, then decide whether to go gear drive or chain based on the result. But this could lead to the bike sitting unassembled for a week or two. Anyone have any other solutions?
Also, anyone know anyone reliable in Dallas/Fort Worth who does this kind of work?
