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Ok, is this the timing chain?

Old Sep 2, 2005 | 09:11 PM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
Ok, is this the timing chain?

Ok, my car is making a rattly rubbing sound from the front of the engine. I first thought it was the A/C compressor, but I replaced it and it wasn't. So, I took it to AutoZone to check pulley prices. The guy there listened to it and said it may be the timing chain. Does that make sense?
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Old Sep 2, 2005 | 09:25 PM
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From: Kingsport, TN
Car: '92 RS, '84 Z28
Engine: 383, L69
Transmission: T56, 700R4
Axle/Gears: 3.42, 3.42
Mine did the the same thing on my 84 come to find out it was the balancer was slipping, and had slipped back and was grinding into my timing chain cover, Ill attach a pic of it.
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Old Sep 2, 2005 | 09:51 PM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
Uh, oh. That sux. I'll have to get the fixed. How hard was it to fix? Or should I take it to a mechanic? Did yours stop after about 1000-1200 RPM?

Dude, in TN, too? Kool.

Last edited by 91_5.7_TPI; Sep 2, 2005 at 09:56 PM.
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Old Sep 2, 2005 | 10:18 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
does it do it with the belt off?
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Old Sep 2, 2005 | 10:25 PM
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From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Try getting in there with an automotive stethescope and see if you can pin point the sound (be very careful of all the moving parts). If you do not have an actual automotive stethescope, a couple feet of heater hose works well.
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Old Sep 2, 2005 | 11:12 PM
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From: Kingsport, TN
Car: '92 RS, '84 Z28
Engine: 383, L69
Transmission: T56, 700R4
Axle/Gears: 3.42, 3.42
Not to hard to fix, just take the balancer off, and take timing cover off its its bad enough, but i went ahead and put a cam and stuffin while i had tore down, because it thought it was my timing chain. And yes mine did stop around 1500 or so.
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Old Sep 3, 2005 | 07:28 AM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
Ok. I think my dad has a stethoscope, so I'll see. I'll take the belt off to be sure, I think that everything that turns up there rattles... except the crankshaft. I'll get back to you with news when I do it. Should I replace the timing chain even if it is just the balance to avoid having to redo it in the future?
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Old Sep 3, 2005 | 09:22 AM
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From: Kingsport, TN
Car: '92 RS, '84 Z28
Engine: 383, L69
Transmission: T56, 700R4
Axle/Gears: 3.42, 3.42
I put in a new cam and everything when i did, just because i thought it was the timing chain, then found out it was the balancer, and figured i might as well change the stuff out anyway, while it was tore down that far.

Kevin
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Old Sep 3, 2005 | 09:51 AM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
I probably won't do the cam, because I plan to change the whole engine eventually, but the timing chain and gears I will probably do. Unless there is a relativley unexpensive cam that doesn't require reprogramming the EPROM....
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