Bad driver or warped clutch?
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Joined: Jun 2005
Posts: 217
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From: Tucson, AZ
Car: 89 GTA
Engine: L98 350
Transmission: Swapped to a T-5
Axle/Gears: 3.27
Bad driver or warped clutch?
Is this a bad driver or a warped clutch? If you cant really tell from the picture the inner part of the flywheel looks good. But the outer part where the pressure plate hits the flywheel has a lot more wear and heat spots.
replace the whole clutch and resurface the flywheel and shift normal and it should be fine, lot of people make the mistake of holding the clutch pedal down at a stop light, thats bad for it, put that baby in neutral until its time to go.
Thread Starter
Member
Joined: Jun 2005
Posts: 217
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From: Tucson, AZ
Car: 89 GTA
Engine: L98 350
Transmission: Swapped to a T-5
Axle/Gears: 3.27
I do tend to do that, only because I'm not sure if I’m going to be able to get in to 1st some times until I was told to try putting it in 2ed first then to 1st to line up something in the tranny. The clutch doesn’t have many miles on it. Only 1000 or so any possibility that its still useable?
The wear on the flywheel in the picture doesn't look really excessive to me. As long as you have complete disengagement when you push the clutch all the way in, it shouldn't matter if you sit at a light with it in gear and the clutch pushed in. What scars up the flywheel really quick is slipping it too much when you take off, or when you're slipping it in traffic to inch forward a few feet at a time. The other cause would be a weak pressure plate that the engine is overpowering or a worn out/slipping disc. Your disc might be slightly warped, but it's more likely that the disc is still breaking/wearing in since you only have 1000 miles on the clutch assembly. As long as you have full disengagement with the pedal pushed in, and it doesn't slip with the clutch engaged, I wouldn't worry about it too much.
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From: North Central Indiana
Car: 86 IROC
Engine: 383
Transmission: TKO 600
Axle/Gears: 3.54 Dana 44 IRS
Does the flywheel look like that that all the way around or only in one spot like that? Also how does the pilot bushing look and the input shaft? If you dont have the trans and bellhousing aligned properly to the crank, the clutch disc will be crooked between the flywheel and pressure plate and could cause a unique wear pattern like that. How does the pressure plate look?
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Joined: May 2006
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From: Maui, Hawaii
Car: 1984 Trans Am
Engine: broken 385sbc
Transmission: G-Force rebuilt T-5
Axle/Gears: Currie 9" Ford 4.30:1
looks like the pressure plate.. but then again, you only have 1000 miles on it.. why did you take out the clutch in the first place?? i wouldnt touch it till it started slipping or was toast..
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Thread Starter
Member
Joined: Jun 2005
Posts: 217
Likes: 0
From: Tucson, AZ
Car: 89 GTA
Engine: L98 350
Transmission: Swapped to a T-5
Axle/Gears: 3.27
Sorry for taking so long to reply. Yes, it looks like that all the way around. I took it off because shortly after switching from 700R4 to T-5 the engine broke. Is it possible that the clutch could be bolted on too tight to the flywheel?
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Joined: May 2006
Posts: 1,857
Likes: 0
From: Maui, Hawaii
Car: 1984 Trans Am
Engine: broken 385sbc
Transmission: G-Force rebuilt T-5
Axle/Gears: Currie 9" Ford 4.30:1
i assume you mean the pressure plate.. but NO.. the pressure plate will only go on so far.. if you over tighten it, you will either snap the bolt, strip the threads or it will just be on tight..
The pressure plate bolts are only supposed to be torqued to 35 ft. lbs. in an even cross pattern just like lug nuts, but yeah, overtightening them wouldn't hurt anything unless you ended up breaking a bolt as mentioned above, or stripping the threads. Make sure your clutch disc is perfectly centered before tightening down any of the pressure plate bolts. I usually torque them in two steps, 20 ft. lbs. on the first pass, then 35 on the second pass. Your flywheel bolts should also be torqued evenly to 60-70 ft. lbs., and I always use the blue, medium strength loctite on both sets of bolts. Also, don't forget to put a small dab of high-temp disc brake grease in the pilot bushing/bearing before re-installing the trans. Last edited by Pat Hall; Mar 1, 2007 at 01:36 AM.
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