need timing chain?
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need timing chain?
I have a 78 f350 and went to the woods this past weekend and broke the timing chain. I was entering in a huge mud hole and it just quit. found all of the broken pieces to the chian and the sprackets still look in tacted. what should I look for in getting another chain set and what should I time it in at for lugging around in the woods. any help on this subject and any related to this would be much appreciated. its a 460 but dont know what year (does it matter)
Last edited by swamp buggy; Jun 12, 2004 at 04:15 PM.
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From: Honkytonkville
Dont waste your time and effort in the woods- the whole set(both gears and chain) is about $20 at AutoZone. The year shouldn't matter, as the same set fits a 68-87 460 motor(and even big block Lincoln 430-462). I prefer single rollers myself because the double roller chains give up a lot of beefiness to make way for the second chain, especially in higher torquing engines(like the 460). Best of luck to ya!
Scott
Scott
Last edited by scottie2hottie; Jun 12, 2004 at 08:41 PM.
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From: Honkytonkville
Also, to eliminate the chain problem altogether, you could run a gear drive for your timing. I have gear driven timing in my mud toy that has a 460 and I love it. I think it sounds cool(really loud whine) and I no longer have to worry about the chain jumping teeth or breaking. It requires minor machining of the timing cover, but other than is a good idea. Just a thought.
Scott
Scott
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From: Honkytonkville
I am pretty sure that the chains &gears themselves are the same regardless of year- it is the factory cam itself that varies. The key on the cam gear is in a different spot of the rotation in earlier models than in newer models- an aftermarket cam would obliviate this problem....
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From: Honkytonkville
ok thanks for clearin that up- Then the dumbas* at Autozone misinformed me b/c he said that the same kit fit all yrs 460
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From: Escondido, CA
Also double roller chains will last longer do the the reduced friction on the teeth of the gears. Depending on the year chain set and who makes them you can see the difference in deg's. Comp Cams has a few articles covering this on their website as well. Remember Autozone is about getting as much money as possible from you reguardless of the amount of trips you have to make to their stores. Also the large quanity of parts they carry no one in there is an expert on all cars.
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From: Eastern Ohio
Gear drive does have a minor edge in the strength and durability, but (I dont know how true this is) also pay a penalty in robbing power to turn the gears and Idler. Info came from Comp Cams when we were getting a custom roller cam ground for a 460 project motor in the shop. As for timing it in for bottom end grunt, run it straight up or 4d advanced
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