Do cams ever go bad?
Thread Starter
Staging Lane
Joined: Dec 2004
Posts: 51
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From: college station, texas
Do cams ever go bad? prob a stupid question but you never hear of a stock cam ever going bad or antyhing, but when people sell cams they say they are in good shape and low miles....i guess my question is if cams can go bad what are the reasons for it and how long should they last?
Exactly, hydralic roller lifters aren't as likely to fail and wear alot less than the older flat tappet hydralic or solid lifter cams. Bearing failure is the most common failure stemming from low oil pressure or such. Also a fubared lifter or lifter guide will take out a cam.
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12 Second Club
Joined: Nov 2004
Posts: 231
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From: Jax, Fl
Originally Posted by 777
i suppose a cam can wear over time...but we are talking a lot of time...it rubs against the pushrods...
But for future reference the cam is never supposed to touch the pushrods. 
Last edited by NastyNate; May 17, 2005 at 05:35 PM.
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Joined: Dec 2004
Posts: 588
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From: Palm Harbor,Tampa
Originally Posted by NastyNate
I'm gonna let this slide seeing how your from Ocala.... But for future reference the cam is never supposed to touch the pushrods.
Take it easy he was just suggesting
damn how do they get those damn things in there?? kinda scary to think what could happen after the cam install, although, they should only come out if ou force the cam in there right??
Originally Posted by WS6FirebirdTA00
what supports the large circular parts on the cam? the engine block with an oil film or is there something else?
Originally Posted by WS6FirebirdTA00
damn how do they get those damn things in there?? kinda scary to think what could happen after the cam install, although, they should only come out if ou force the cam in there right??
when i put the cam in i went really easy and moved it up and down to get it through the holes so i dont think i would get one out liek that, good lol. how do u get in there to replace those??? if needed
theoretically your cam and crankshaft are floating on a very thin lining of oil when the car is running. This is why the hardest part on your engine is starting it because the cam and crankshaft have no oil inbetween themselves and the bearings, which causes wear untill oil pressure flies up and gets in there.
Originally Posted by NastyNate
I'm gonna let this slide seeing how your from Ocala.... But for future reference the cam is never supposed to touch the pushrods.
But for future reference the cam is never supposed to touch the pushrods. 
