Jackrabbit41 Posted August 26, 2016 Share Posted August 26, 2016 My motor mounts are missing the top half of the rubber on both sides. Boys, it's real bad. Could someone link me some good replacements? There's so many options. I got a 87 with the 4.0. Swapped in a ax15 if that matters Link to comment Share on other sites More sharing options...
Rockfrog Posted August 26, 2016 Share Posted August 26, 2016 I used a set of Stinky Fab mounts in my Cherokee, still on the list for the Comanche though. Sent from my SGH-I337M using Tapatalk Link to comment Share on other sites More sharing options...
87Chief Posted August 26, 2016 Share Posted August 26, 2016 Brown Dog motor mounts are good. Link to comment Share on other sites More sharing options...
mnkyboy Posted August 26, 2016 Share Posted August 26, 2016 If you can fabricate you can make your own very inexpensively. I'm in my poly mounts for around $10 and they are rebuildable. Link to comment Share on other sites More sharing options...
kook911 Posted August 27, 2016 Share Posted August 27, 2016 If you can fabricate you can make your own very inexpensively. I'm in my poly mounts for around $10 and they are rebuildable. You got a link or a how to build them? Wouldn't mind building my own but do not have a clue on how to do it. Link to comment Share on other sites More sharing options...
mnkyboy Posted August 27, 2016 Share Posted August 27, 2016 You can buy just the bushings and find some tube that fits the bushings or you can buy a kit with the complete bushing set up,then get a piece of box tube. Copy the bolt locations then notch the box so you can set the tube into it and weld them together. Find some pics on google of some mounts and you will have a pretty good idea how to make some. I usually buy bushings here. http://www.barnes4wd.com/Poly-Bushings-and-Bushing-Kits_c_24.html Link to comment Share on other sites More sharing options...
Jackrabbit41 Posted August 27, 2016 Author Share Posted August 27, 2016 I just bought stock ones from Napa Link to comment Share on other sites More sharing options...
Rawley14 Posted August 27, 2016 Share Posted August 27, 2016 I just put in my brown dog motor mounts today. Easy install and definetly worth it. Replaced w oem once but didn't last at all Link to comment Share on other sites More sharing options...
87Warrior Posted August 31, 2016 Share Posted August 31, 2016 I have Brown Dog ultra flex rubber in my TJ and I have regretted the purchase ever since. No amount of adjustments can stop the vibes at idle. I can only imagine how it would feel in the unibody MJ. On the other hand, I doubt I'll ever wear them out. Link to comment Share on other sites More sharing options...
HOrnbrod Posted August 31, 2016 Share Posted August 31, 2016 I have Brown Dog ultra flex rubber in my TJ and I have regretted the purchase ever since. No amount of adjustments can stop the vibes at idle. I can only imagine how it would feel in the unibody MJ. On the other hand, I doubt I'll ever wear them out. ^^ This. Vibratus maximus. I took them off my MJ two weeks later and replaced them with NOS Mopar originals. Never again.......... Link to comment Share on other sites More sharing options...
Zebvance Posted August 31, 2016 Share Posted August 31, 2016 I have Brown Dog ultra flex rubber in my TJ and I have regretted the purchase ever since. No amount of adjustments can stop the vibes at idle. I can only imagine how it would feel in the unibody MJ. On the other hand, I doubt I'll ever wear them out. ^^ This. Vibratus maximus. I took them off my MJ two weeks later and replaced them with NOS Mopar originals. Never again.......... I have the Iron Man 4x4 ones, which are basically the same as the brown dog mounts. I noticed increased vibration but nothing that bad.... Link to comment Share on other sites More sharing options...
88whitemanche Posted August 31, 2016 Share Posted August 31, 2016 I have Brown Dog ultra flex rubber in my TJ and I have regretted the purchase ever since. No amount of adjustments can stop the vibes at idle. I can only imagine how it would feel in the unibody MJ. On the other hand, I doubt I'll ever wear them out. ^^ This. Vibratus maximus. I took them off my MJ two weeks later and replaced them with NOS Mopar originals. Never again.......... I had the poly ones and it took me a week to take them out... Vibrations were TERRIBLE at idle... Link to comment Share on other sites More sharing options...
87Warrior Posted August 31, 2016 Share Posted August 31, 2016 I have Brown Dog ultra flex rubber in my TJ and I have regretted the purchase ever since. No amount of adjustments can stop the vibes at idle. I can only imagine how it would feel in the unibody MJ. On the other hand, I doubt I'll ever wear them out.^^ This. Vibratus maximus. I took them off my MJ two weeks later and replaced them with NOS Mopar originals. Never again..........I had the poly ones and it took me a week to take them out...Vibrations were TERRIBLE at idle... I was told to let the rubber version 'break in'. Drove the Jeep 13 hours to and from CO and spent a week wheeling. Absolutely no change in the vibes. This is what I struggled with during my research. Some say the vibes are fine and others absolutely hate them. It's a matter of personal opinion and expectations. Link to comment Share on other sites More sharing options...
mnkyboy Posted August 31, 2016 Share Posted August 31, 2016 If you loosen the motor mount bolts just a touch the polys will vibrate much less. Link to comment Share on other sites More sharing options...
HOrnbrod Posted August 31, 2016 Share Posted August 31, 2016 If you loosen the motor mount bolts just a touch the polys will vibrate much less. That's reassuring. From their website: "XJs and MJs (all engines): Rubber is better." Better than their poly mounts I guess they mean. Personally, I don't want any vibration. These mounts are good for mainly off road vehicles only. Link to comment Share on other sites More sharing options...
big66440 Posted August 31, 2016 Share Posted August 31, 2016 I have Brown dogs as well, they will vibrate more that OE replacements just an FYI if your into the "Cadillac ride" Link to comment Share on other sites More sharing options...
mnkyboy Posted August 31, 2016 Share Posted August 31, 2016 My engine,transmission,and T cases are all poly mounted,my MJ does get driven on the road a little bit but it is primarily an offroad rig. Back when it was my daily driver i always ran rubber mounts. Link to comment Share on other sites More sharing options...
88whitemanche Posted August 31, 2016 Share Posted August 31, 2016 If you loosen the motor mount bolts just a touch the polys will vibrate much less.I did that when I was advised by the owner of brown dog and I sent him pics because he wanted to verify if my engine brackets were bent or bushings damaged on both sides and the hard vibes didn't go away...at the time the Comanche was my only vehicle and I was doing over 350+ miles a week....alot of mixed highway and stop and go traffic...Stop and go were the worst times of the vibration...Until I gave up and slapped in cheap $10 motor mounts and haven't looked back since... Link to comment Share on other sites More sharing options...
Rockfrog Posted August 31, 2016 Share Posted August 31, 2016 Yeah, I also have poly motor mounts (Stinky Fab) and the rear is an Energy Suspension poly trans mount (for a GM). It does vibrate more ... But not something I can't live with, my XJ is mainly a trail rig, but does see the road a fair bit. It's loud, vibrates (due to mounts, not imbalances) and has a few odd sounds due to what I've done to it. The price I pay for making it work, have no problem with it though. Might be a little more demanding on the MJ, but as far as the Vibes go due to poly mounts .... I don't seem to mind what little there is. Better than a motor flopping around due to yet another failed new rubber mount (been there done that, never again). Sent from my SGH-I337M using Tapatalk Link to comment Share on other sites More sharing options...
Megadan Posted September 2, 2016 Share Posted September 2, 2016 I had poly motor mounts. I wen't back to rubber. Nothing against the poly mounts, but my truck is a tin can without the carpet and headliner, and extra NVH is the last thing I needed. What I did was a compromise with the replacement rubber mounts and Window welded in the gaps between the top of the rubber and the metal bracketBTW, if you do the motor mounts, do yourself a favor and replace all of the hardware for the mount brackets that bolt to the block with some new Grade 8 (or equivalent) if you can. Link to comment Share on other sites More sharing options...
xjrev10 Posted September 4, 2016 Share Posted September 4, 2016 Brown Dog motor mounts with rubber is what I have. No complaints and will be buying them again. (Different rig.) Link to comment Share on other sites More sharing options...
outlaw star Posted September 5, 2016 Share Posted September 5, 2016 I just installed the Brown Dog Rubbers in my MJ. Vibes at idle but the more I drive it, the less they become. I figured they need break in time. The instructions state to torque the thru bolts a certain way or the vibes will be worse. Sent from my SM-J700P using Tapatalk Link to comment Share on other sites More sharing options...
A-man930 Posted September 7, 2016 Share Posted September 7, 2016 Bummer, I've always wanted a set of the browndog mounts :cry: That being said, I don't know what my threshold of "vibration annoyance" really is. I've already got the less than ideal poly trans mount and stock rubber engine mounts combo and I survive... Link to comment Share on other sites More sharing options...
HOrnbrod Posted September 7, 2016 Share Posted September 7, 2016 Better than a motor flopping around due to yet another failed new rubber mount (been there done that, never again). That's what happens when you buy the el-cheapo $10 rubber mounts. Factory mounts are still available and will last at least ten years minimum unless your rig is strictly offroad or you live on Mars. :yes: Link to comment Share on other sites More sharing options...
Tanner Posted September 7, 2016 Share Posted September 7, 2016 I have brown dog rubbers, they have been a great upgrade so far Link to comment Share on other sites More sharing options...
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