View Poll Results: Are poly mounts too much for the street?
Go with GM rubber... they'll hold up and you'll appreciate less vibration for the street.
0
0%
Go with aftermarket poly... you will be able to put up with the vibrations and they'll hold up to the power
14
82.35%
Go with some other kind of mount and I will post it below
3
17.65%
Voters: 17. You may not vote on this poll
POLL: Are poly engine mounts too much for the street? Please post your vibes...
Thread Starter
Supreme Member
Joined: Apr 2000
Posts: 1,154
Likes: 2
From: Stillwater, OK
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4
POLL: Are poly engine mounts too much for the street? Please post your vibes...
85% street driven vehicle making ~500HP. Sees some track time. What is your opinion on putting up with poly motor mounts?
Last edited by JMatlock88; Jul 8, 2002 at 02:40 PM.
Supreme Member
Joined: Sep 2001
Posts: 1,266
Likes: 4
From: Tallahassee, FL. USA
Car: 92 Camaro RS
Engine: 350 Crate Motor
Transmission: Tremec TKO
Axle/Gears: 10 Bolt 3.73
I'm using the Moroso Solid Steel Upper and Lower motor mounts and Steel Trans Mount.This car is my daily driver and the difference in vibration is barely noticeable.
Usually people think it's gonna be too much on a street driven vehicle, but I've run the Moroso steel mounts on every chevy I've had since High School.
The shifter doesn't wiggle around as much as it did with a rubber mount. Other than that you probably wouldn't notice a difference.
The nicest thing about them is, they'll last forever. I've never had to replace any of them.
As far as Poly goes, well, I haven't used them, but my torque arm mount and sway bar bushings are poly.
If you're making 500HP, I wouldn't waste my time on anything but steel mounts.
Moroso Lower Mount, Part#62610, $32.99/Pr at Summit
Moroso Upper Mount, Part#62510, $21.99/Pr at Summit
Moroso Trans Mount, Part#62600, $18.95 at Summit
-Rich-
Usually people think it's gonna be too much on a street driven vehicle, but I've run the Moroso steel mounts on every chevy I've had since High School.
The shifter doesn't wiggle around as much as it did with a rubber mount. Other than that you probably wouldn't notice a difference.
The nicest thing about them is, they'll last forever. I've never had to replace any of them.
As far as Poly goes, well, I haven't used them, but my torque arm mount and sway bar bushings are poly.
If you're making 500HP, I wouldn't waste my time on anything but steel mounts.
Moroso Lower Mount, Part#62610, $32.99/Pr at Summit
Moroso Upper Mount, Part#62510, $21.99/Pr at Summit
Moroso Trans Mount, Part#62600, $18.95 at Summit
-Rich-
Thread Starter
Supreme Member
Joined: Apr 2000
Posts: 1,154
Likes: 2
From: Stillwater, OK
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4
NO! 500 naturally aspirated horsepower + 150 nitrous.
edit: Real quick... Stealth Ram, Ligenfelter 58mm TB, 4 bolt main 355 ci, forged rotating assembly, arp bolts, SVO 30#, .560" lift retro roller cam, Crane Gold RRs, Ported Pro Action Alum, Manley valves, 10.3:1 cr
edit: Real quick... Stealth Ram, Ligenfelter 58mm TB, 4 bolt main 355 ci, forged rotating assembly, arp bolts, SVO 30#, .560" lift retro roller cam, Crane Gold RRs, Ported Pro Action Alum, Manley valves, 10.3:1 cr
Last edited by JMatlock88; Jul 9, 2002 at 06:39 AM.
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