94Z28-MSTGKLR

iTrader: (20)

I ordered a set of poly motor mounts for my header install and the box came with a poly trans mount also. All my mounts are worn out with a 116,xxx miles. If I really don't have to worry about anything, I'll just install both sets. What I mean by worry about is, breaking something. Thanks guys.

sepsis

iTrader: (7)

Almost everyone does only motor mounts and leave the tans mount stock. That's what I'll be doing.

They do it because if you go poly on the trans too, there will be much more felt vibration.

You won't break anything though.

Blk98Vert

iTrader: (2)

No, you won't break anything

00NBMformula

I have both.. Does add some vibration but im used to it now, and still quiet at cruising speeds

to answer ur question it wont hurt anything..

94Z28-MSTGKLR

iTrader: (20)

Ok, thanks guys.

Leftoverchinese

I didn't see a need to start a new thread for a similar question, can I run just a poly transmission mount and leave the motor mounts stock for now? I have the transmission out being rebuilt and don't really want to mess with the motor mounts for now.

sepsis

iTrader: (7)

I don't know how true it is, but I've read that if you do only the poly trans mount and leave the stock motor mounts that you run the risk of breaking the tail shaft.

udienow

iTrader: (18)

you can modify the trans mount to help rid the vibration that it causes. I think you just grind down the 2 tabs on top so its flat, and then do not use the pre-load plate.

blackhawk1993

iTrader: (3)

U Can Do It......
I still got my poly motor mounts needing installed BTW....LOL

sjsingle1

iTrader: (1)

N O !!!!!!!!!!!!!!................ask me how i know

s346k

iTrader: (4)

my tailshaft broke and I believe it was from doing this.

777Shock777

iTrader: (5)

From what I've been reading, you want more solid motor mounts then transmission mounts - or the same level of strength on both ends.
(Correct me if I'm wrong)

94Z28-MSTGKLR

iTrader: (20)

No to what? Could you be more specific please?

sepsis

iTrader: (7)

UHH HUH.....I reckon I'll have me some of the bigguns....

James Montigny

iTrader: (13)

Poly motor mounts really firm up throttle response compared to rubber, I was very happy with the results.

I've broken far too many rubber tranny mounts to go back, vibration or not.

sjsingle1

iTrader: (1)

i had a poly tranny mount and stock motor mounts.......no pro...........then i went to poly MM and the poly tranny mount........still no pros.......a yr later