poly engine mounts, are they all the same?
Thread Starter
Joined: Mar 2011
Posts: 3,699
Likes: 168
From: Wilmington, DE
poly engine mounts, are they all the same? i ask this because i know in the past a certain poly trans mount has raised the trans causing pinion angle issues......are any poly mounts known to raise or lower the engine at all? any that are consistently the same size as stock? im running a new rubber trans mount.
TECH Apprentice
Joined: Mar 2011
Posts: 324
Likes: 25
From: Waterford, MI
I just searched this the other day on here. Seems Prothane is the way to go, and avoid Energy Suspension ones. Not that they make the engine sit any different, just premature wear/failure from the ES ones.
Thread Starter
Joined: Mar 2011
Posts: 3,699
Likes: 168
From: Wilmington, DE
appreciate the tip. if you have any links of where you seen this please post. i couldnt find anything
TECH Apprentice
Joined: Mar 2011
Posts: 324
Likes: 25
From: Waterford, MI
Here's one of them. I just googled poly engine mounts and searched specifically under LS1Tech and started reading. There's some comments here and there in the solid vs poly threads too about going with prothane too.
https://ls1tech.com/forums/generatio...ted-equal.html
https://ls1tech.com/forums/generatio...ted-equal.html
i ask this because i know in the past a certain poly trans mount has raised the trans causing pinion angle issues......are any poly mounts known to raise or lower the engine at all? any that are consistently the same size as stock? im running a new rubber trans mount.
Thread Starter
Joined: Mar 2011
Posts: 3,699
Likes: 168
From: Wilmington, DE
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Thread Starter
Joined: Mar 2011
Posts: 3,699
Likes: 168
From: Wilmington, DE
FWIW, I installed the ES motor mounts in my car, and as I recall, they were a nice, snug fit, in the OE clamshells. As for longevity, I can't be too specific, as I sold the car almost 4 years ago. However I did have them in place for 3-4 years, prior to the sale, and I experienced no issues with them.
I need new engine mounts. I know I don't want solid, but what am I going to notice from the cabin by going with Prothane engine mounts over the OEM rubber version? Any additional noise, vibration, or harshness?
