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09-14-2004, 12:15 AM
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#1 |
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Under construction!
Join Date: Aug 2002
Location: NorCal
Posts: 1,065
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PST or GM motor mounts?
Everything on my truck is polygraphite except the 4-link/panhard bar. How would PST units compare to GM mounts? More vibration or what? Thanks for any advice.
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2001 Silverado bagged on 22's. *Sold* |
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09-14-2004, 01:32 AM
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#2 |
Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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I dunno about GM ones..put I have a set of Energy Suspension Polyurethane motor mounts.
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09-14-2004, 03:01 AM
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#3 |
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Under construction!
Join Date: Aug 2002
Location: NorCal
Posts: 1,065
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Did you notice a difference between the original and polyurethane units, Tim?
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2001 Silverado bagged on 22's. *Sold* |
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09-14-2004, 08:56 AM
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#4 |
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Registered User
Join Date: Jun 2004
Location: Spartanburg, SC
Posts: 1,963
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I have energy suspension poly engine and tranny mounts on my S10. When the a/c is on, or its idling in gear it is trying to shake itself to death. I will never have another set of poly engine mounts. I can only imagine how bad it would be if you had a good sized cam. Its really annoying, I want to change it back to rubber, but dont have the time or $$ as I have about $150 in these. They required custom made frame pads.
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Paul '78 GMC Serria 15 Heavy Half. 361/NV3500/3.73. Former LWB NV3500 swap Trailing arm swap '98 ECSB Z71 daily driver -traded  '03 burb. Family cruiser http://upstategmtrucks.com/ |
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09-14-2004, 09:16 AM
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#5 |
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You get what you pay for
 
Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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I have Energy Suspension engine and tranny mounts in my 85. All I noticed was more vibration. When at idle you can feel the engine running but it doesn't shake itself to death by no means and I have a Comp XE268 cam.
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Mike 1985 Chevy C-10 |
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09-14-2004, 10:16 AM
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#6 |
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Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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I was always told, that if you run poly engine mounts, you MUST run a rubber tranny mount, or else SOMEWHERE SOMETHING will crack/break. I have more vibration than rubber, I'll say that..but it's not bad.
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09-14-2004, 10:15 AM
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#7 |
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Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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i have energy suspension engine mounts and the stock rubber tranny mount(for now). it does rock back and forth a little bit(tiny tiny bit). but i like it
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09-14-2004, 09:04 PM
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#8 |
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Registered User
Join Date: May 2004
Location: Lubbock, Texas
Posts: 2,121
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y not run solid motor mounts?
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'96 Nissan Pathfinder '02 Firebird Trans Am. '88 K5 Blazer |
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09-15-2004, 12:34 AM
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#9 | |
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Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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Quote:
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09-14-2004, 09:22 PM
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#10 |
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california fill
Join Date: Apr 2004
Location: Sunny So-Cal
Posts: 694
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I run energy suspension polyurethane motor/spring/trans/body/swaybar etc etc and yes you will notice more vibration! Would I do urethane motor mounts again? probably.
If youre looking for ultra comfort in your vehicle, Id go rubber. just my 2 cents pc |
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09-14-2004, 09:31 PM
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#11 |
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Under construction!
Join Date: Aug 2002
Location: NorCal
Posts: 1,065
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Thanks for the input, everyone. Looks like I'll be purchasing PST motor mounts soon.
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2001 Silverado bagged on 22's. *Sold* |
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