Transmission mount recommendation
#3052049
06/20/22 05:15 PM
06/20/22 05:15 PM
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Joined: Jan 2004
Posts: 367 Newark DE
Dogpro
OP
enthusiast
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OP
enthusiast
Joined: Jan 2004
Posts: 367
Newark DE
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70 Cuda 383 4spd. My original trans mount is wasted and looking for a replacement I'm not sure if I want rubber or poly but I don't know what is best for a cruise night driver. Any recommendations? Thanks, Lou
Lou P. Newark DE
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Re: Transmission mount recommendation
[Re: Dogpro]
#3052052
06/20/22 05:19 PM
06/20/22 05:19 PM
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Joined: May 2019
Posts: 6,261 nowhere
Sniper
master
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master
Joined: May 2019
Posts: 6,261
nowhere
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70 Cuda 383 4spd. My original trans mount is wasted and looking for a replacement I'm not sure if I want rubber or poly but I don't know what is best for a cruise night driver. Any recommendations? Thanks, Lou Either one is fine for a cruise night driver. Rubber will transmits slightly less vibration and noise to the body than poly, but most parts store rubber mounts these days are junk. Poly is generally better built and lasts. I recently bought a set of parts store mounts for my 51, hoping they will last long enough for my originals to get back from being revulcanized. That's the route I would go.
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Re: Transmission mount recommendation
[Re: mopars4ever]
#3052077
06/20/22 08:01 PM
06/20/22 08:01 PM
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Joined: Jan 2003
Posts: 1,234 Chicago, IL
PLUM_72
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,234
Chicago, IL
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Id keep the trans mount the same material as the engine mounts. Everything should move as one.
1972 Dodge Challenger
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Re: Transmission mount recommendation
[Re: Dogpro]
#3052105
06/20/22 11:21 PM
06/20/22 11:21 PM
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Joined: Jan 2003
Posts: 4,723 Moved to N.E. Tennessee
GomangoCuda
master
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master
Joined: Jan 2003
Posts: 4,723
Moved to N.E. Tennessee
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I put poly in mine 20 years ago. The replacement rubber ones they sell now will turn to dust well before that time frame. I can remember a made in India rubber motor mount that didn't last a week.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Transmission mount recommendation
[Re: moparx]
#3052217
06/21/22 03:51 PM
06/21/22 03:51 PM
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Joined: Jan 2003
Posts: 1,193
MoreParts
super stock
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super stock
Joined: Jan 2003
Posts: 1,193
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lots of the rubber mounts sold today don't have a "made in" identifier on them. the box usually says "a product of ????", but who really knows where the item is made these days ? maybe that means the box is "a product of ????". Instead of "a product of" they should say "a piece of." The rubber on new mounts hasn't been quality in a long time. They're about as durable as a damp sponge.
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Re: Transmission mount recommendation
[Re: moparx]
#3052221
06/21/22 04:42 PM
06/21/22 04:42 PM
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Joined: May 2019
Posts: 6,261 nowhere
Sniper
master
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master
Joined: May 2019
Posts: 6,261
nowhere
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lots of the rubber mounts sold today don't have a "made in" identifier on them. You made me go check my new mounts for the 51. Box says "Made in IN" The mounts themselves have INDIA cast into the rubber. Marmon Ride Control is the brand on the box, FWIW.
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Re: Transmission mount recommendation
[Re: Sniper]
#3052223
06/21/22 04:58 PM
06/21/22 04:58 PM
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Joined: Jan 2003
Posts: 21,073 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,073
Niles , Ohio
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poly all the way Mine is and Imperial services.Been in for 20 years behind 440 4 speed 65 My kid ran it in the 62 300 also.We also run his motor mounts I used to rip one out every year Now never
Chrysler Firepower
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Re: Transmission mount recommendation
[Re: therocks]
#3052247
06/21/22 08:20 PM
06/21/22 08:20 PM
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Joined: Jan 2004
Posts: 367 Newark DE
Dogpro
OP
enthusiast
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OP
enthusiast
Joined: Jan 2004
Posts: 367
Newark DE
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Thanks for the replies guys! It looks like I should be leaning towards a poly mount so I'll start checking them out. Lou
Lou P. Newark DE
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Re: Transmission mount recommendation
[Re: Dogpro]
#3052609
06/23/22 08:14 AM
06/23/22 08:14 AM
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Joined: Jan 2003
Posts: 13,365 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Transmission mount recommendation
[Re: an8sec70cuda]
#3052806
06/23/22 08:17 PM
06/23/22 08:17 PM
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Joined: Jan 2003
Posts: 1,894 Harriman NY
71GTX471
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,894
Harriman NY
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Look for a NOS aftermarket {DOAN} or equivalent 2525 insert or complete mount 2515 from about 30 years ago pre UPC symbol.
As a matter of fact I just bought Ebay item# 134143744495 looking just now.
Last edited by 71GTX471; 06/23/22 08:27 PM.
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Re: Transmission mount recommendation
[Re: moparx]
#3056699
07/06/22 01:45 PM
07/06/22 01:45 PM
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Joined: Jan 2011
Posts: 15,879 Central Florida
larrymopar360
Stud Muffin
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Stud Muffin
Joined: Jan 2011
Posts: 15,879
Central Florida
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As long as you don't have any harmonic vibration issues (even very minor) poly is best, but if you don't have an extremely well balanced engine, etc. you'll feel the added vibration.
Facts are stubborn things.
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Re: Transmission mount recommendation
[Re: 71GTX471]
#3056765
07/06/22 03:23 PM
07/06/22 03:23 PM
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Joined: Jan 2003
Posts: 25,817 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,817
Rio Linda, CA
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On the original spool mount, a lot of folks fill the voids around the bolt sleeve with black RTV.
The INTERNET, the MISinformation superhighway
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