which motor mounts?

Jess · Jan 7, 2007

In the process of building a primarily trail only (87, 4.0) and need new motor mounts, but I am not sure which ones to buy. I have heard alot about the bombproof mounts, but don't want to spend $130+. Should I get the poly mounts or OE rubber mounts, or are the bombproof ones worth the money?

Are there any alternatives to the ones I mentioned? And what are the pro's and con's of each?

moparmatt · Jan 7, 2007

Depending on your opinon on Rusty's stuff I hear they offer a really nice strong motor mount for $79 + shipping

cal · Jan 7, 2007

I run the rawbrown motor mounts, installed them on my 87 about 6 weeks ago. The install was quick and easy, painless fit. I had picked up a poly transmission mount to run at the same time.

You get MAJOR engine vibe through every bit of the car. You can feel every valve open and close with the chattering of your teeth.

I installed an OEM transmission mount and saved the poly one, after that experiance.

On a trail only rig, I'd install them again. They certainly are strong, and cut down on engine movement. On a rig that gets driven on the street, I'd probably go OEM.

Jess · Jan 7, 2007

Would it cause any problems to run rubber mounts since they are much cheaper? I mainly run rocks and have had no problems with the stock mounts on my other trail rig.

mnaemark · Jan 7, 2007

my rubber mounts broke about every 6 months. I think the tcase drop did it. Anyway switched to daystar motor and tranny mounts. More vibes but they dont break. Cheaper in the long run for me.

Jess · Jan 7, 2007

mnaemark said:
my rubber mounts broke about every 6 months. I think the tcase drop did it. Anyway switched to daystar motor and tranny mounts. More vibes but they dont break. Cheaper in the long run for me.

Good Point.
I don't want to change them often. Out of curiosity where your mounts on a manual or auto. From what I have read, the manual mounts seem to be more prone to breaking.

ChiXJeff · Jan 7, 2007

I put in a set of the M.O.R.E. BombProof motor mounts 4 or 5 years ago. Yup, more vibes, especially at idle, and definitely more expensive than stockers. But *FAR* stronger. BTW, they *ARE* rebuildable, looks like LCA bushings.

If this is for trail only, I'd say go with the good mounts. Broken engine mounts can go from a mild annoyance to fan-through-the-radiator pretty quickly on a trail rig.

mnaemark · Jan 7, 2007

mine is an 87 auto, 240 on the clock so i probably had some other issues causing the mounts to break so often

NighthawkXJ · Jan 7, 2007

i put on polly mounts from Brown Dog Industries last time, and i love them, and they were cheap, like $50 shipped off ebay. Look for the yellow ones.

Rob Mayercik · Jan 8, 2007

ChiXJeff said:
I put in a set of the M.O.R.E. BombProof motor mounts 4 or 5 years ago. Yup, more vibes, especially at idle, and definitely more expensive than stockers. But *FAR* stronger. BTW, they *ARE* rebuildable, looks like LCA bushings.

If this is for trail only, I'd say go with the good mounts. Broken engine mounts can go from a mild annoyance to fan-through-the-radiator pretty quickly on a trail rig.

M.O.R.E. are trail-only? No way. Get the M.O.R.E. JM600s (the ones with the big rubber bushings) like Jeff mentioned and don't look back. A little more vibe at idle, but once you're moving they're as smooth as OEM, and a heckuva lot beefier. They're worth every penny and then some, and I'd never go back to OEM mounts now that I've gone BombProof.

Another thing you risk with bad mounts is a cracked exhaust manifold.

Do it right, and do it once.

Rob

which motor mounts?

Jess

NAXJA Forum User

moparmatt

NAXJA Forum User

cal

NAXJA Forum User

Jess

NAXJA Forum User

mnaemark

NAXJA Forum User

Jess

NAXJA Forum User

ChiXJeff

Curmudgeon

mnaemark

NAXJA Forum User

NighthawkXJ

NAXJA Forum User

Rob Mayercik

NAXJA Member #920

Similar threads