Poly Tranny Mount
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Senior Member
Joined: Feb 2002
Posts: 830
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From: Lehigh Valley, PA
Car: 00 T/A Firehawk
Engine: 346ci LS1
Transmission: MN6
Axle/Gears: 3.42 LSD
Poly Tranny Mount
I was wondering how hard they are to install and if they make a noticeable difference at all. Also are the mounts different between the V6 and V8? As far as my understanding goes they should be the same considering they share transmissions. Thanks!
Supreme Member
Joined: Dec 2001
Posts: 1,282
Likes: 1
From: Elkton MD USA
Car: 1983, 1986
Engine: 2.8 2bbl, 2.8 MPFI
Transmission: 200C 3 speed, 700R4
Axle/Gears: 3.08, 3.42
They are of a universal design and are pretty easy to install. You may have to widen the slot on the crossmember for two of the bolts. There really is no noticeable difference (real or perceived) except that it won't need replacing ever again.
Supreme Member
Joined: Mar 2000
Posts: 13,414
Likes: 6
From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
I didn't have to widen any holes, put it on in '97, no problems. I went through 2 stock mounts in 3 years, so the poly was well worth it.
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