• 3.1172 Motor Mount Insert - Excludes Z06, ZR1 and GS
  • 3.1172 Motor Mount Insert - Excludes Z06, ZR1 and GS
  • 3.1172 Motor Mount Insert - Excludes Z06, ZR1 and GS
  • 3.1172 Motor Mount Insert - Excludes Z06, ZR1 and GS

Motor Mount Insert - Excludes Z06, ZR1 and GS

Manufacturer: Energy Suspension
Part Number: 3.1172
Rating 41 Reviews

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Polyurethane Motor Mount Insert | 84-91 Chevy Corvette

  • Energy Suspension warrants its products against defects in workmanship and material for 24 months when used on passenger cars and light trucks. Products that have been abused, altered, or incorrectly installed are not covered. Energy Suspension will replace defective products or component parts, if inspection for factory personnel determines the part to be defective. Warranty replacement covers only the product. Labor claims, time loss, or freight charges will not be honored.

Motor Mount Insert 1984-1991 Chevrolet Corvette

This polyurethane motor mount insert from Energy Suspension will firm up the connection between the motor and the frame on 84-91 Chevy Corvettes.

The original motor mount insert on your 'Vette can allow movement in your driveline when you hammer the accelerator, but replacing that soft or worn rubber with polyurethane will increase power to the wheels off the line. If you're experiencing wheel hop during a hard launch, noticing a delay between accelerator and acceleration, or just looking for an inexpensive throttle enhancement then check out these motor mount inserts.

1984-1991 chevy corvette motor mount insert

polyurethane motor mount insert 84-91 corvette

Stable Motor Solution

The original motor mounts on these Corvettes contain a rubber insert that absorbs vibration and keeps the motor stable. They will do a great job of damping vibration between the engine and the frame, but they accomplish this by flexing and bending. This keeps your ride smooth and quiet but it can also take a toll on your throttle response. Sudden acceleration or braking can cause a loss in response time which can range from inconvenient to serious.

If you're putting in consistent time on the track or just enjoy hard launches and powering through turns then you might go with a more rigid solid mount, but this can make a daily driver a little too rough. If you want the best of both worlds then putting polyurethane inserts into your motor mounts is a fairly cheap and easy option to firm up the mount without replacing the entire part.


energy suspension polyurethane motor mount inserts

Increase Response, Stop Wheel Hop

Polyurethane is a much more durable material than rubber and will hold the engine in place more firmly. While rubber will provide more vibration damping polyurethane inserts balance the performance enhancement of a solid mount and the comfort of your rubber inserts. When the engine is more secure you will notice a difference in how quick your Corvette responds to the accelerator and you will have less chance of annoying wheel hop coming off the line.

Your rubber inserts are also less durable and can begin to degrade with exposure to motor chemicals, heat, or the excessive wear that hard driving can cause. These polyurethane motor mount inserts are unaffected by the elements that can destroy rubber and are covered by Suspension.com's exclusive lifetime warranty. So no matter what, you will never need to buy another motor mount insert for your 'Vette.

Product Reviews for Energy Suspension Motor Mount

Great.
5 out of 5 - Awsome
Gordon Sorokowski - . Energy Suspension mounts-chevrolet-camaro-energy-suspension
Quality part, easy install.
5 out of 5 - Good
Lawrence Brown - . Energy Suspension 3.1152
My car has power now.
5 out of 5 - Its good
Wayne w Wight - . Energy Suspension 4.1135
Quality part, easy install.
5 out of 5 - Good
Lawrence Brown - . Energy Suspension 3.1152
Parts as advertised, excellence quality.
5 out of 5 - Review 2 Years Later
dale Salewsky - . Energy Suspension 3.1148
Quality part, easy install.
5 out of 5 - Good
Lawrence Brown - . Energy Suspension 3.1152
No problem, have been good since the install.
5 out of 5 - Review 2 Years Later
Brian Wolfrom - . Energy Suspension 3.1144
Application - Chevy S10 4WD ZR2\nQuality of the part seems good.\nNo excessive vibration after mounting. \nMounting is tricky but not unreasonable. Have to go through the wheel well at a very particular angle, and use a universal joint with an extension.\nThe OEM units have safety features, the ES do not seem to have them- unless they are hidden under the polyurethane. Hopefully they are not needed. Editors Note: Energy motor mounts do have a patented interlock design in the poly urethane. In case the poly splits the interlock design will keep the engine from coming over completely.
4 out of 5 - good
James Smith - . Energy Suspension 3.1144
A couple of holes were off a fraction of an inch, opened them up with a reamer and bolted them on. Dropped the engine in the frame and fit like a glove (an O-J glove)
5 out of 5 - Worked great
Jim Stevenson - . Energy Suspension 3.1150
I used these as isolators for my new transmission and transfer case cross-member. They worked great! Fast shipping too.
5 out of 5 - Awesome!
Peter Weber - . Energy Suspension 2.1102

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