urethane tranny mount torque spec?

[ecalder]

Hey y'all I've put my car back together finally! Wow what a pain on jackstands... Anyways I bought these urethane tranny mounts from vorshlag, they're the 80 durometer orange ones. I can't figure out how much to torque them though. If I follow the bentley manual they get squished. Is that what's supposed to happen? If not how do I know when to stop?

Thanks for all of the help along the way, could not have managed without you. Now I just hope that the transmission that I bought actually works!!!

[deekay]

just looked those up because i'd been looking for another option than ireland... damn. $340 for engine and tranny mounts is pricey.

contact vorshlag for help is my advice.

[ecalder]

They were a little pricey, but I've heard good things... and they were orange! Then I saw the IE ones were cheaper and wondered why the difference in price. Any idea? Is it brand name or what?

I've never been able to shift so smoothly in any car before. BUT! Beware... they say you'll feel "slightly" more vibration in the car. This is B.S. it is a pretty dramatic difference. It's loud enought to make it difficult to hear someone on the phone (good reason to hang up and drive) or have a normal conversation with someone in the car on the freeway. Way worth it though if it's not your DD.

Oh, and I spoke to Vorshlag, they said tighten it until the urethane first begins to compress then leave it.

[deekay]

IE shit is cheap, and i've heard rumors (note: rumors) of their urethane mounts melting from the heat coming off of the exhaust manifolds. however, my personal experience with m20b25 mounts they made in the early '00s was good... i could grab that car by the intake manifold and shake it back and forth. but that doesn't mean they aren't going through a cheaper supplier nowadays.

anyway there is absolutely a reason i went to vorshlag for my camber plates, so i don't doubt you did the right thing, and i will probably go the same way since i turned around a couple grand selling parts this weekend, and i'm tired of feeling my drivetrain flopping around now that everything else is so tightened up. my car's already too loud to have a phone convo in because of the exhaust, so i'm not losing anything.

that was gonna be my guess also; just put preload on it and call it good, but i figured i'd leave it to the people who actually made it.

[deekay]

i just installed these and goddamn, no kidding about the NVH. i'm keeping them, but yeah, freeway cruising is tolerable; low-rpm street driving is vibration city.

[1991 E30 M42]

I have been running IE urethane engine mounts for about 4 years now and havent had any issues

[deekay]

yeah, like I said I had a good experience w/ them on an m20 car about that long ago also- but from what I've heard more recently I think they may have switched to a lower-quality material sometime in the past year or two.

I had to compress the f*** out of the vorshlag engine mounts in order to get the nylon lock ring to engage, which is probably why I'm getting so much NVH- and one of the plates was smaller in diameter than the urethane, which is unlike what's pictured on their website and didn't seem right to me. but at the end of the day I figured I'd regret going the cheap route. hindsight's always 20/20, right?