Prothane motor mounts

Edbert · Jan 17, 2006

Finally got them installed, they seem to me to be a perfect blend of the strenght of a solid with SOME of the dampening of a soft.

0to100to0 · Jan 17, 2006

trying to decide.....

how do you like them?
I was think about those or using the stock mounts with a torque strap.

how is the engine height compared to stock?

matt

DarkoStoj · Jan 17, 2006

what about those they have in mustangs plus that are the bolt through design with polyurethane bushings? I think i'm gonna try those out....only downside is they are like $250

rbohm · Jan 17, 2006

of the three mounts spoken about here, i prefer the mounts from mustangs plus as i think they are better overall. the prothane mounts are second best as they have similar characteristics as far as safety in case the mount breaks, but they have the advantage of being less expensive. stock mounts i would leave to restorations.

Opentracker · Jan 17, 2006

Your missing a bolt in your frame bracket.

John

Edbert · Jan 17, 2006

Opentracker said:
Your missing a bolt in your frame bracket.

Nope, there was some sort of small little sub-bracket bolted to the frame mounted portion, I don't know what it was for (possibly a line retainer of some sort ofr power steering?)and I left it off. That is what that hole is for. If you look REAL closely you can just make out the black bolt poking out from behind the shadow made by the flash, that is the upper of the two frame bolts, I can also see the shaft of the upper bolt also hidden in the shadow. The lower of the two is hidden behind the steering input shaft.

EDIT, the hole you see without a bolt is way too small for the frame bolts. Here's a better shot of the passenger side.

Opentracker · Jan 17, 2006

Sorry, my mistake, we use the early three piece mounts. Looks like one of those holes.

John

Edbert · Jan 17, 2006

No problem, I love knowing guys like you are watching my back!

4MuscleMachines · Jan 17, 2006

Edbert said:
Finally got them installed, they seem to me to be a perfect blend of the strenght of a solid with SOME of the dampening of a soft.

I have also used them more than once and they have always fit right and not as harsh as solid mounts. Best of both worlds, IMO.

mdjay · Jan 17, 2006

DarkoStoj said:
what about those they have in mustangs plus that are the bolt through design with polyurethane bushings? I think i'm gonna try those out....only downside is they are like $250

Those are the Ron Morris, TCP knock offs. But they did do something nice in the process by allowing adjustment for cars that aren't so straight. Which is about 95% of 'em. I'm not so sure they are as strong because of it, but it's logical.

Robdogg67 · Jan 17, 2006

Looks great Edbert and extra functional at a fair price (Summit $93). I noticed them a few months back and was considering them for the AOD mount. If it's good enough for Edbert's car, its good enough for me. I'll put the engine and tranny kit on the grocery list for the impending swap.

19stang66 · Jan 17, 2006

Why would you use prothane motor mounts over stock ones? I'm wondering because I am taking my enigne out soon and when i put it back in i'd like to upgrade now if i have to. My car isnt going to be strip only, just a DD with some power. Can I still use my stock mounts? Thanks.

Robdogg67 · Jan 17, 2006

In my case and maybe yours 19stang, I'm putting in a new motor and tranny and basically want to see all new stuff in there within reason. I also have no idea how old my stock mounts are and the new engine will be over twice the HP so new and improved mounts are probably a good idea anyway. For me, well worth the $125 to do the tranny and engine right the first time.

joesgt281 · Jan 17, 2006

Edbert,
I'm guessing from your sig that you've got a 67.
In researching mounts for my 67 it appears that the commonly available mounts don't work due to a unique frame bracket (sorry if this has been already addressed before here) for 67s.
The Prothane mount doesn't appear to be available for our "special" cars.
Did you find a 67-specific mount, or perhaps change your frame brackets to 68s?
Joe

joesgt281 · Jan 17, 2006

I'm considering one of the following two systems.
The RMP design offers adjustment but I wonder if the adjustment features may work loose with time.
The TCP design has no adjustability but is more expensive. It does have 3 frame bolts over the RMP 2-bolt design.
Anybody have history with either of these two?
Are these too harsh for street use?

Ron Morris Performance from Mustangs Plus, $200:

Total Control Products design from Autoworks International, $250

4MuscleMachines · Jan 17, 2006

joesgt281 said:
The TCP design has no adjustability but is more expensive. It does have 3 frame bolts over the RMP 2-bolt design.

My builder tried the TCP mounts first in my 70 Boss 302 and they did not fit. I cannot recall why since it has been over 1 year ago. He returned them and purchased the Prothane mounts and they fit. I also remember a couple of posts at another website indicating clearance issues...anybody recall anything?

mdjay · Jan 17, 2006

joesgt281 said:
Total Control Products design from Autoworks International, $250

That's $50 over MSRP!

Robdogg67 · Jan 17, 2006

In the 5.o tech there was mention of interference with these motor mounts and Canton oil pans and some headers hitting them too, whats new.

Looks like Edbert has a Milidon 7 or 8qt pan which must clear. I think I remember him trimming a curved tab on the car bracket mounts or something to clear the p/t mounts.

Edbert, did you notice if these new mounts raised or lowered the motor compare to stock motor mount height?

steel1212 · Jan 17, 2006

I've got the prothane, and love them. They give me that more safe feeling since I've already busted a set of stockers once They act like stockers except they have the poly instead of rubber and incase of a poly give up they have a metal strap over top of everything to act like a solid unit if the poly was to give way....now thats a run on sentence lol

joesgt281 · Jan 18, 2006

steel1212 said:
I've got the prothane, and love them. They give me that more safe feeling since I've already busted a set of stockers once They act like stockers except they have the poly instead of rubber and incase of a poly give up they have a metal strap over top of everything to act like a solid unit if the poly was to give way....now thats a run on sentence lol

Yes i definetly like the added security of that design but I may have to change my frame brackets over to 68s to be able to use them on my 67.
Joe

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