New cam after boring?
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Senior User
Joined: Jan 2003
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New cam after boring?
I am getting ready to rebuild a 351C EFI, and was wondering if the cylinders are worn and I have them bored out a little and get bigger pistons, would I need a new cam? I doesn't seem like I would, but every time I read a post about someone boring cyliders the next line is about a new cam. I don't plan on getting a new crank, so I assume I wouldn't need a new cam, right? If you couldn't tell, this is the first engine I have torn apart all the way, so add any info you want.
Thanks,
Longneck
Thanks,
Longneck
Freshman User
Joined: Dec 2003
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You or your machine shop can compare your cam dimensions with the specs and then decide if you want to re-use it. If your bearing journals are worn even new cam bearings may not allow your oil pressure to build up to where it should be. It might be a good idea to get new lifters even if you re-use the cam. They can die on you at the worst times. I just bought a new cam and lifters from Comp Cams for about $ 200. Depending on your budget, this may be a small price to pay for peace of mind. Good luck!
Thread Starter
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Senior User
Joined: Jan 2003
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OK, just making sure I wasn't missing something. You make a good point about having the machine shop check things out, they definately know more than I do. I think I will probably replace the lifters as long as I have everything torn apart.
Thanks,
Longneck
Thanks,
Longneck
