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09-25-2021, 10:32 AM
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#1 |
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Registered User
 
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,210
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Another Motor Mount Question
Is there really any difference in stock replacement mounts for SBC? they all seem to be about the same price and available everywhere, I have the non-clamshell type. Not really sure I want to go to the poly mounts as I'm sure they transfer a lot more engine vibration to the frame than rubber.
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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09-25-2021, 11:53 AM
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#2 |
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Registered User
Join Date: Mar 2014
Location: Simi, CA
Posts: 495
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Re: Another Motor Mount Question
The three sets I purchased from local auto parts stores all looked identical. All of theme were Chinese made, all had lifetime warranties and all started to crack or tear within two years. I am a bit of a Hoonigan so after tearing the third set of mounts I switched to poly. I personally don't notice much difference in vibration. I would expect typical rubber mounts to hold up at least 5 -10 years if you are not an aggressive driver. Keep your receipt, they won't last a lifetime.
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Made in America by Americans |
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09-25-2021, 03:20 PM
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#3 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,723
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Re: Another Motor Mount Question
Maybe my “butt-o-meter” isn’t that sensitive, but I notice no difference in vibration running the poly mounts vs. the oe mounts.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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