Drivetrain Let’s Talk Engine/trans mounts

[BeaverMeat]

Quick question.

What is the consensus on Energy Suspension mounts and vibration? Running a full set and the vibration is getting annoying from 1500-2000 rpm.

Been doing some research and many say to keep the trans mount stock. Wondering if this will solve or ease the vibration

 

[86HO5.0]

I run Energy Suspension engine mounts, trans mount and trans cross member bushings. Zero issues with vibration at any speed.

Aerostar aluminum driveshaft. Also running Pro3i LCA's in the rear.

Is the vibration always at that rpm regardless of what gear? What kind of condition is your harmonic balancer in?

 

[AeroCoupe]

Have Energy suspension motor mounts, Prothane transmission mount, and Prothane trans cross member bushings and they added no vibration to the car.

Answer the questions above and also what transmission, rear gear, and any suspension mods?

 

[Mustang5L5]

I had energy suspension poly mounts in all three spots. I later swapped the trans mount out for a rubber OE mount. It reduced the vibration in the shifter slightly to a more confortable level.

But with all three, i never had an all-car type of vibration. It was more just in the shifter handle that annoyed me.

 

[JD1964]

Have you made sure that no parts of the exhaust system (including headers) are not touching anything they shouldn’t be? What about the exhaust hangers? Are they in good shape including and rubber isolation parts as needed?

 

[keel]

If the vibration is related to engine RPM and completely independent of vehicle speed, that sounds to me like a harmonic balancer problem. I did notice more vibration when I upgraded all my mounts, but it only happens around at high speeds, which I'm fairly certain is because the stock driveshaft is not perfectly balanced. (From what I understand that is a pretty common problem.)