289 camshaft advice needed

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Nov 21, 2005 | 04:33 PM

RFortuna

Thread Starter

Joined: Nov 2005

Posts: 10

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289 camshaft advice needed

Need some technical advice here. 65 fastback 289 C code, 131,000 miles. Mechanic replaced timing chain and gears. A few days later car stops running, not getting any fuel. Fuel pump eccentric has come loose frome the camshaft. We thought the mechanic forgot to tighten it. He went back in, put it back together, ran great for a few days, then same problem. Took it back apart and the same thing has happened. He now says that the camshaft has too much fore and aft movement, allowing the pin that holds the eccentric in place to back out. Wants to replace the cam and lifters. Could the camshaft have that much movement with out having other problems? I don't want to pay this guy to replace the cam and lifters only to find out that the motor needs to be torn down again for more serious repairs. Any advice would be appreciated.

Nov 21, 2005 | 05:38 PM

downwardspiral

1st Gear Member

Joined: Oct 2005

Posts: 103

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RE: 289 camshaft advice needed

Quote:

ORIGINAL: RFortuna

Need some technical advice here. 65 fastback 289 C code, 131,000 miles. Mechanic replaced timing chain and gears. A few days later car stops running, not getting any fuel. Fuel pump eccentric has come loose frome the camshaft. We thought the mechanic forgot to tighten it. He went back in, put it back together, ran great for a few days, then same problem. Took it back apart and the same thing has happened. He now says that the camshaft has too much fore and aft movement, allowing the pin that holds the eccentric in place to back out. Wants to replace the cam and lifters. Could the camshaft have that much movement with out having other problems? I don't want to pay this guy to replace the cam and lifters only to find out that the motor needs to be torn down again for more serious repairs. Any advice would be appreciated.

If the cam and lifters wore out, my guess is that other mechanical parts would be worn out too. Your going to have to change the cam anyway, so my advice would be to just take care out that for now, but watch for any problems in the engine. If anything else is going wrong, I would probably rebuild the engine, because everything is just going to break down the road.

Nov 21, 2005 | 08:49 PM

hutchamatic

2nd Gear Member

Joined: Oct 2005

Posts: 320

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RE: 289 camshaft advice needed

NO. Loctite should be used and the bolt should be torqed. I have never had this problem. But a worn cam would not cause this at all.

Nov 23, 2005 | 12:01 AM

Silver Ponys

2nd Gear Member

Joined: Oct 2005

Posts: 188

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RE: 289 camshaft advice needed

I dont think the cam can move that much there is a keeper plate that bolts to the block to prevent this. I have seen the replacement cam dowels for the ecentric be too short. Hutch is right locktite everything.