DESCRIPTION
NEW engine mount products from AWR for the 2016+ MX5. Note there are THREE options: Bracket ONLY, Engine Mount ONLY, or combo with BOTH.
First item in the product picture: Steel Engine Upper Brackets that replace the factory cast aluminum brackets. These bolt to the side of the engine block and extend to the engine mount, see label in the product picture. We have seen several cases of cracked factory aluminum brackets and these steel units eliminate the chances of that failure. These upgraded steel Upper Brackets can be used alone to bolt between the engine and factory engine mount, or can be used along with AWR's upgraded engine mount (details below). Price is for a pair of brackets, both Left and Right.
Second item in the product picture: steel/polyurethane replacement Lower Engine Mounts that replace the factory aluminum/rubber engine mounts. These replacements are constructed using AWR's new larger barrel design with large diameter polyurethane bushings. This design holds the engine in place much better than the factory mounts, and the larger diameter bushing allows more squish than the old smaller diameter bushings, allowing more squish in the bushing to minimize NVH. These mounts can be used alone, bolted to the factory subframe and factory aluminum engine brackets, OR can be used along with AWR's upgraded steel engine brackets detailed above. Price is for a pair of engine mounts, both Left and Right.
These mounts dramatically reduce motor movement for much more precise operation of your shifts and much more direct application of power to the ground....and your transmission will live a much longer life too!
2022 UPDATES:
- These mounts have been updated with some minor tweaks so they now fit both ND1 (2016-2018) and ND2 (2019+).
- If you get the FULL set of both upper and lower brackets, the package will also include a heat shield to protect the passenger side bushing from exhaust heat. Important if you have an aftermarket header.
- New design also feature a nickel plated finish on the passenger side upper bracket, for better heat resistance from an aftermarket header than powdercoat.
NOTE: Some pictures show the original prototypes in orange, and a production version in silver. But AWR makes the production brackets/mounts in three colors: silver, black or orange. We ship SILVER by default. But, if AWR is out of silver, they might send black or orange instead. Since this item is hardly visible in the engine bay once installed, we assume the color is not a big deal for most folks.
Bushing Durometer choices:
62 durometer is the extra soft option for lowest NVH. This will still come with a minor increase in NVH over stock mounts, but not considerable.
70 durometer is the go-to stiffness for all-around high performance use. Will provide a massive improvement in keeping the engine in place compared to stock mounts, with only moderate increase in NVH. Great for a mixed use street/autocross/track fun car.
88 and 95 durometer are RACE ONLY
Note: if you select that you want the UPPER mounts only in the drop-down menu, you must then select NO BUSHING in the drop-down as well, since there are no bushings in the upper mount. You can only select a bushing durometer in the drop down menu if you're getting the lower mounts which house the bushings.
BRIAN'S APPLICATION NOTES: Note that polyurethane mounts take about 500 miles of use to break in. Even a 'soft' 70 durometer is a big increase in mount stiffness and expect a few vibrations in the dash at idle. Thus, great on race cars, and dual purpose cars that go to the track every month, and not suggested for 100 percent daily driver street cars.
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Picture shows polished but we have done away with polishing to partially offset massive converter cost increases. Updated picture coming soon.
TEAM RECOMMENDATIONS
Customer Reviews
AWR Engine Mounts/Brackets
I've lost count of how many upgrades I've done to my car. And I absolutely love every single one of them, with the exception of two. I've only ever removed two upgrades because I didn't like them; the Cravenspeed short shifter (rattled like a bag of bolts) and these AWR engine mounts.
The mounts are extremely well made. You can tell a lot of thought and engineering went into them. They fit into the car perfectly and sit exactly as they need to (I had a little fitment issue with my headers hitting the heat shield but I think that's the headers fault).
My complaint, and the reason I removed them, is the increase in NVH is kind of ridiculous. This is running the softest bushings (62 I believe). I tried multiple things to cut down on the NVH: loosening the mounting bolts and retighten while the motor is running, messing with different torque settings, completely removing and reinstalling. Unfortunately nothing worked. While I did expect an increase in vibration I suppose I didn't expect it to be quite so harsh. Especially when you turn the AC on the whole care would shake.
I ran these mounts for about 7 months. I have since gone back to the factory mounts and couldn't be happier.
I did not notice any performance benefit of the AWR mounts. Perhaps a dedicated track could benefit in some way, but I can't see how a street car has any benefit of running these.
Installation is fairly straight forward, you can get to all of the bolts through the wheel well and just hold up the engine with a jack and do one side at a time.
I track my Miata and was having some challenges getting my manual shifts to sync correctly coming out of tight turns with all the lateral g-forces. Come to find out my engine-transmission was rotating just enough to cause me to miss a shift ie. instead of going from 3rd to 4th it would go into 6th. Immediately lost 3 seconds on my track time. Totally unacceptable I spoke with another Miata instructor at the track and he said that I needed stiffer engine mounts to stop the engine rotation. He recommended 88 mm mounts. Just got them installed along with the brackets. Definitely more vibration but hey it's a track car. I'll update my review after my next track weekend and let you know how they work out.
My OEM engine mounts were both broken during an on-street collision that jolted the car. The OEM aluminum ones have a weak upper bracket that can easily crack with too much lateral force. I purchased these mounts and brackets and found them to be MUCH stronger and more substantial than OEM. They are pretty easy to install, aside from two bolts on the driver side that are a bit difficult to reach. The result is noticeably less engine movement and worry-free track driving.
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