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colts fan
Dodge Dakota
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2/28/2004
17:51:50
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 Subject: 5.2 magnum timing chain
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Does the 5.2 magnum have the same timing chain problem like the 3.9 has? Thanks
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gen1dak
Dodge Dakota
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2/29/2004
01:12:20
|  RE: 5.2 magnum timing chain
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Problem? Put on a good quality chain. No problem! Seriously, the pre-injected 5.2's had timing gears with NYLON!!! teeth. When one lets go you'd think it had a belt drive. Bent valves, etc. That's about as cheap-assed as it gets. Cut quality and you have problems.
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Timberwolf
GenIII
3/01/2004
10:13:50
| RE: 5.2 magnum timing chain
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I think Colts Fan may be talking about the tensioner issue. Yes the 5.2 has a tensioner too.
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gen1dak
Dodge Dakota
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3/01/2004
21:45:56
| RE: 5.2 magnum timing chain
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My point exactly. Ditch the tensioner and put on a good quality double chain true roller. Change it every 50,000 miles. No more problem.
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colts fan
Dodge Dakota
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3/02/2004
20:04:15
| RE: 5.2 magnum timing chain
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Yeah that's what I meant. I've had a couple V-6s and had to install the chain tensioner. I am looking at buying a 96 with the V-8 with 80000 miles and was wondering if the V-8 had the same problem. Thanks guys.
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Sephiroth
Dodge Dakota
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3/02/2004
20:25:13
| RE: 5.2 magnum timing chain
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That's not a problem. I have a '92 V6 with original chain at just under 130k, and a '95 V8 with original chain at a hair over 105k. Both run as good as the day they rolled off the line, if not better. The harder you are on your vehicle (ANY brand) the more problems you can expect. For instance, every fraggin' redneck here in NC (about 90% of the population, sadly) treats driving like f***ing Nascar. They'll cut in behind you with 1" between bumpers, same in front. They start off from every stop with the damn pedal on the floor or close to it. If you do the speed-limit or even five over on the belt-line, people pass you like you're standing still. This is with a 65mph limit now! Yet every last one of these frickin' morons has car problems. Everybody always drools over my trucks, boat, and my friend John's '01 Corvette. Thing is, we don't rag them. There's nothing wrong with the timing-chains unless it is in a '96 or later, after Daimler *cough*ball-joints*coungh* took over. That's why I only buy '95 or prior.
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WipLash
R/T
3/03/2004
00:05:00
| RE: 5.2 magnum timing chain
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The tensioner was another attempt to reduce manufacuring cost. The tolerances they had to hold between the camshaft and crankshaft bores were very hard to maintain. If they were off just a 0.005" between the crank and the cam ceterlines that had to junk the block. So, they did what Chevy and Ford both were already doing and they dropped the cam down .050" and added a tensioner. Now they could cut down on machining cost by reducing the tolerances they were having to hold and by reducing scrap in the form of junk blocks. This is also another reason OHC's are cheaper. They don't have to worry about the center-to-center distances anymore between the cam and the crank on an OHC engine. Just stick a cheezy tensioner on there to take up the slack that never should have been there in the first place.
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