Transmissions and Drivetrain Need help with your trans? Problems with your axle?

tranny thump

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Old 08-10-2002, 01:51 PM
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tranny thump

sometimes when im at a stop sign and i give it more throttle off the line than i should, i hear a THUMP and feel the car move...could this be lack of traction or transmission?
Old 08-10-2002, 02:19 PM
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Thump is a common discription.
https://www.thirdgen.org/techbb2/sea...der=descending
Old 08-10-2002, 02:26 PM
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ede
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trans mount is broke
Old 08-10-2002, 02:48 PM
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I agree, had the same problem already.
Old 08-11-2002, 01:46 PM
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Sounds like a tranny mount. Get an Energy Suspension mount from Summit. Gaurunteed not to break and is only about $15 more than the "dimestore" mounts that break in 30 days...
Old 08-11-2002, 05:00 PM
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30 days is an overestimate. Had one of the dime store mounts break in 2 weeks on my Nova.
Old 08-11-2002, 06:52 PM
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Car: 4
Engine: 6
Transmission: 5
2 weeks is an overestimate... I broke one once the very first time i let the clutch out after i backed down the driveway after installing it.

Get an eS one, problem will be solved permanently.
Old 08-11-2002, 10:37 PM
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you guys are all a huge help

eS one?
where can i find it?
Old 08-11-2002, 10:56 PM
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Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Engergy Suspension tranny mount from Summit
Old 08-12-2002, 01:20 AM
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what is the part number from summit for the energy suspension tranny mount for a '91 350tbi (Crate eng.) 700-R4 auto?
Old 08-12-2002, 06:06 AM
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Car: 4
Engine: 6
Transmission: 5
There's only one trans mount that fits all these cars, auto or manual, 82 up, doesn't matter what engine came in it or has been put in it since... it's the "one stud down" kind
Old 08-12-2002, 07:10 AM
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killer thanks guys!
Old 08-13-2002, 04:06 PM
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whats the torque settings for when you replace the mount?
Old 08-13-2002, 10:50 PM
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I just use the old "That feels about right" for something like that. Just make sure you use lock washers. I don't remember if they include them.
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