cam bushing in nose cone
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Road Warrior
Joined: Oct 2009
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cam bushing in nose cone
I tore my motor down this past year to regasket it and change cams, I've noticed it has a little wear on the cam bushing, so I purchased a new one from the stealership and it doesn't have the oil passage drilled nor instructions on how to, with that said, any pointers and what size bit should I use, thanks chad
Cruiser
Joined: Dec 2008
Posts: 214
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From: Peterborough, Canada
The manual says " Drill lubrication oil hole through wall of bushing with 0.156 in. drill using oil hole in bushing boss as a drill guide"
It also says the bushing needs to be line reamed, to remove burs, and to ensure perfect alignment, for that the case need to be split.
That's all I got, I left mine in, so I no experience with putting one in.
It also says the bushing needs to be line reamed, to remove burs, and to ensure perfect alignment, for that the case need to be split.
That's all I got, I left mine in, so I no experience with putting one in.
Seasoned HDF Member
Joined: May 2008
Posts: 21,190
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From: South Carolina
The case doe not need to be split, you just need a right side case to use as a guide for the reamer. Many shops will have saved an old case just for this purpose.
Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
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From: Northern Ontario
Be real sure that you need a bushing replacement, I changed my cam cover to chrome and the guy I bought it from installed new bushings and reamed them with the case half he has and I got a very unpleasant whine when I installed it. I ended up buying a brand new oem chrome cover to remedy the problem.
Pinion bushing wear will lower your oil pressure, I'm not quite sure what cam bushing wear will effect.
Pinion bushing wear will lower your oil pressure, I'm not quite sure what cam bushing wear will effect.
Seasoned HDF Member
Joined: Jun 2010
Posts: 9,332
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From: Upstate New York
Excessive cam bushing wear will also lower oil pressure, as the forcing of the oil through the two bushings and the tappets creates the oil pressure. Excessive wear of either bushing can casue the cam and pinion gears to wear poorly, as well as cause excessive gear rattle.
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