hotratz
02-04-2007, 10:56 AM
Hello All.
I'm in the process of reviving a 304 that is in a 76 CJ5 that I recently adopted. Long story short, I found a bent push rod that eventually lead me to a very sloppy timing chain. It doesn't appear that it jumped a tooth but probably very close.
I'll come right out and admit this is my first AMC V8 so I can only compare it to the multitude of SBC that I'm more familure with. I was a little surprized to see that much slop in a timing chain on an engine with only 77K mile. (about 1" deflection)
I've heard of some oiling mods for this engine intended to improve oiling in the timing chain cover. One of these was to drill a small orfice into the middle of the oil galley plug behing the cam sprocket. I need to know if this would be benificial or a detriment to overall oil pressure further down the system.
In general, the rest of the components behind the timing cover appear to have had sufficient oiling.
Is this timing chain stretch for a 304 with 77K miles normal? Would additional oiling even matter?
I'm in the process of reviving a 304 that is in a 76 CJ5 that I recently adopted. Long story short, I found a bent push rod that eventually lead me to a very sloppy timing chain. It doesn't appear that it jumped a tooth but probably very close.
I'll come right out and admit this is my first AMC V8 so I can only compare it to the multitude of SBC that I'm more familure with. I was a little surprized to see that much slop in a timing chain on an engine with only 77K mile. (about 1" deflection)
I've heard of some oiling mods for this engine intended to improve oiling in the timing chain cover. One of these was to drill a small orfice into the middle of the oil galley plug behing the cam sprocket. I need to know if this would be benificial or a detriment to overall oil pressure further down the system.
In general, the rest of the components behind the timing cover appear to have had sufficient oiling.
Is this timing chain stretch for a 304 with 77K miles normal? Would additional oiling even matter?