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great review rob! I never tracked my subaru when I owned it but I had stiffer engine mounts and tranny mount and it all made a good little difference. Individually you didn't notice much but together it was definitely better. That was a also a car that different rear diff bushings made a world of different with.
Doesn't help rob, but what I did and have been using them for 4 years now is....
1) Buy a can of urethane epoxy from McMaster-Carr
2) Take the mounts out.
3) Drill a couple good sized holes (~1/2") in them to get the fluid out
4) Duct tape 1 side of them to create a seal to keep the epoxy in
5) Fill them with epoxy.
I did the front and rear diff mounts, cost about $10 for the epoxy IIRC.
-Ry
I'm getting ready to do this, and I have a question for you. After drilling and draining the fluid, did you, essentially, re-fill the bushing with the urethane?
Or did you seal the whole side of the bushing with tape, and urethane the whole thing -- effectively filling the air voids in the molded rubber, as well as replacing the fluid? Something along these lines: link
Doesn't help rob, but what I did and have been using them for 4 years now is....
1) Buy a can of urethane epoxy from McMaster-Carr
2) Take the mounts out.
3) Drill a couple good sized holes (~1/2") in them to get the fluid out
4) Duct tape 1 side of them to create a seal to keep the epoxy in
5) Fill them with epoxy.
I did the front and rear diff mounts, cost about $10 for the epoxy IIRC.
-Ry
Which one did you get?? I went to there site and it looks a little confusing unless you know what you need.
I want somethin in the mild range (I still DD mine). Something between and eraser and a tire would probably be good.
I used the shore 94 urethane from McMaster -- part 8644K18 ($33). One can was enough to do (well, over-do) all 4 diff mounts.
First, I drilled about 6 half-inch holes in each of the rear mounts and drained all the fluid. The fronts, I drilled one hole and discovered that they are not fluid-filled. I cleaned all of them with a good soak in a sink full of dish soap and water and then left them outside for a couple of days to dry out.
Then I taped up one side of each mount
Made a 'cup' out of tape on the other side of each mount, and poured in the liquid urethane
Yea, I had a "man, I'm dumb" moment, and decided that simply refilling the mounts would be far more of a pain in the ass, and less rigid, and just filling the taped up mount. Pretty straightforward once you stop trying to make it difficult.
Slightly old thread, but figured it was better to reply here than create a whole new thread...
Originally Posted by SC_Highlander
Yea, I had a "man, I'm dumb" moment, and decided that simply refilling the mounts would be far more of a pain in the ass, and less rigid, and just filling the taped up mount. Pretty straightforward once you stop trying to make it difficult.
It's been a bit, but, how has it held up? I just found my bushings are broken and was going to fill them with urethane vs. replacing them.
I cleaned all of them with a good soak in a sink full of dish soap and water and then left them outside for a couple of days to dry out.
!
