Exactly how stiff are these mounts? It says how many percent stiffer than stock they are, but I want a durometer number. I see the 95d mounts on ebay, but that's almost sold. I want somewhere in between stock and solid.

Thanks!

 

Not as hard as a hockey puck. I have a new set in the garage but no way to measure durometer.

 

So you would just recommend that I get the Mazda ones and not the 95d poly mounts?

 

One thing to remember is that mounts that use a solid bolt through them will be stiffer than a stock style mount even if the durometer is lower. Since they are rigid in extension.

A 95 on the D scale is basically solid, as you mentioned. 95D is the same shore listed for ridged plastics, not rubber. Maybe they meant 95A.

-billy

 

The harder the mount, the more shake and shimmy. And like Billy said, if you have mount that uses a bolt that goes all the way thru, it's gonna transmit a lot more vibration.

The stocker and mazda comp mounts each have two bolts molded in them, offset, that are separate from each other. So the rubber will absorb more shock.

 

I made my own mounts out of white delrin and ran a bolt all the way through. It has the smallest vibration at idle, barely enough to even notice, and no vibration at higher RPM. Rotarys run so smooth that even with a near solid mount you wont notice much if any vibration.

 

Did you change your tranny mounts along with them? It was a 95a. I just put the D there to stand for durometer.

So in your opinion, would you rather run the Mazda comp mounts or the poly 95a mounts from ebay? They both run about the same price roughly. This is a car I want to drive everyday. i don't mind a little bit of vibration, but I don't want my teeth to chatter.

 

95A sounds better This is roughly the same as poly suspension bushings.

If it were me, I would go with the mazda comp pieces since they are designed like stock.

-billy

 

I agree with Billy. I have the Mazda Comp mounts on my car and love them. I think it fits your requirement of "in-between" the stock and solid. Two from me!

Not to mention its a factory part with quality control!

 

I like the Mazda competition engine mounts.

 

search hocky pucks...

 

I've already tossed the hockey puck idea around a few months back, but I want something that was made precisely for this engine. I went ahead and ordered Mazda mounts.