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Rating:
100 % of 100
$119.00
Part number
M04-70155
Stiffer motor mount to help keep a high power engine from moving around.
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  1. Must Have Maintenance Item
    Rating
    100%
    Night and day difference. When I first got my Miata the car was very hard to shift. Essentially at first I needed to wait for the motor settling down. And I could feel it from off throttle cuz the car would jerk a little bit. It was hard to put smooth power down. I thought it was my problem and learnt better throttle control. Today I had the mounts changed. Turnt out both of the old mounts were completely torn. Felt the difference right from turning the key. There is a ton less off throttle vibration. The shifter doesn’t shake all over the place any more. Incrediblely easy to get in gear. Power was put down a lot smoother. In my special case, NVH is decreased (guess the old one was so torn). Will definitely recommend. My car is a CA spec 99 Miata. The precat did make removal a little more challenging but still doable. Just needed to dissemble the mount from lower bracket while in the car. Also taking off splash guard would help big time.

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  2. TOP 3 MUST DO TO YOUR MIATA!!!
    Rating
    100%
    These things should be at the top of your priority list for anything from maintenance up keep, to increasing performance. For just over $100 and about 2hrs of work taking your time. It will change the feeling of your car so nicely.

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  3. Easy to do while doing clutch
    Rating
    100%
    I replaced my 125,xxx mile mounts on my 2000 while doing my clutch which was easy to do while in there. Because mine were torn so badly these reduced overall shake and improved shifting.

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  4. Would buy again, but probably won't need to!
    Rating
    100%
    As soon as I started the car, I could tell the difference -- the car isn't shaking! The old mounts were truly shot. These vibrate a little once the idle slows down after warmup, but not at all while driving. Clutch engagement is smoother, throttle response sharper, shift lever doesn't wobble as much. I did these and suspension bushings at the same time, feels like a new car.

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  5. Awesome Mounts worth the money
    Rating
    100%
    They shipped fast. and Easy to Install(Engine was out the car but the drop in was smooth) . I can feel a vibrate but no noise issues, Shifting is way better no more missing gears.

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  6. Amazing
    Rating
    100%
    These are really great. Tightened up my 93 beautifully. I didn't notice any increase in vibration in the car. Like others have said they can be a bit of a pain to install but it is definitely worth it. Probably the best 100$ you can spend on your miata.

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  7. Stiffens the front sub-frame, and ties together the whole front end.
    Rating
    100%
    With competition engine mounts installed the whole car quivers a little at idle. The beams of your head lights will dance on the rear of the car ahead of you at stop lights. This said, the increased stiffness of the mounts has two advantages. The first advantage is that the stiffness of the horns of the front subframe, where the upper control arms are attached, are meaningfully stiffened by the increase in rigidity of the lateral load path carried through the stiffer motor mounts and the engine block. With the stiffer engine mounts this load path ties those two points together and makes the front end control arm supports more rigid. The whole front end of the car become tighter. The second advantage is that you will be able to find 3rd gear exactly where you left it the last time you used it. The engine and transmission no longer move as much under load. The change in vibration is not to every ones taste. If you don't mind or notice such things having the engine be tied tightly into the structure of the front end snugs up everything up there in a way that increases the stability of the car in sweeping turns, and the sharpness of the turn-in in tight, alternating turns

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  8. DO IT RIGHT THE FIRST TIME
    Rating
    100%
    They were a b***** to install, but that isn't the fault of the mounts. Once installed, they tightened the whole car up. Shifts were improved, no more random vibrations here one minute and gone the next, hell it even changed the tone of the engine. The exhaust note was crisper and the intake sounded like I had installed a turbo. These mounts took ten years off my car.

    Replacing motor mounts is a job I never want to do again. That's why I bought these, and its why you should too.

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  9. The most underrated and overlooked modification
    Rating
    100%
    After having these installed for over two months I have noticed a very noticeable difference in the overall performance of my car. Shifts are crisp and direct, the engine doesn't torque and twist anymore, there is a significant decrease in idle vibrations, and clutch engagement is smoother. Overall one of the best upgrades to go with for an affordable price.

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    Posted on

  10. Great improvement for a warn out motor mount
    Rating
    100%
    Very simple install, everything fit perfectly. No noticeable increase in noise or harshness, but shifts have become better than new. Never missing 3rd or 5th again!

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