More lightweight parts to keep the differential in place
More lightweight parts to keep the differential in place
We've been working on our new Side Differential Supports for quite some time. It took a few attempts to get them right.
Below is the picture of the stock side differential support. It is made of cast iron and has a rubber insert in it. We do offer an aluminum bushing kit to replace the rubber insert in the stock part. The stock cast iron piece weighs in at 4.5 pounds per side (9 pounds total). Here is what the stock part looks like:
This is what we've built to replace it. This new Side Differential Support bracket weighs in at only 2 pounds per side and is billet aluminum. This completely replaces the stock part and the need to replace the rubber bushing. Weight savings is 5 pounds. Here is what the new part looks like:
This is the new Side Differential Support bracket installed on my EVO:
The idea behind replacing the bushings is to keep the rear differential from being able to "twist" on the rubber mounts. This keeps the axles on a straight plain. The idea of doing the entire mount in a one piece billet aluminum design is to save the headache of pressing out the old bushing and to knock off another 5 pounds of weight.
Our Rear Diffential Bar (mustache bar) completely replaces the stock cast iron bar on the car, keeping the side supports and all factory mounting points. This bar takes 13 pounds off the rear, add to this our new side support bushings and you end up with 18 pounds off the rear end. You also end up with an overall stiffer package in the rear and a diffential that cannot move.
Below is the picture of the stock side differential support. It is made of cast iron and has a rubber insert in it. We do offer an aluminum bushing kit to replace the rubber insert in the stock part. The stock cast iron piece weighs in at 4.5 pounds per side (9 pounds total). Here is what the stock part looks like:
This is what we've built to replace it. This new Side Differential Support bracket weighs in at only 2 pounds per side and is billet aluminum. This completely replaces the stock part and the need to replace the rubber bushing. Weight savings is 5 pounds. Here is what the new part looks like:
This is the new Side Differential Support bracket installed on my EVO:
The idea behind replacing the bushings is to keep the rear differential from being able to "twist" on the rubber mounts. This keeps the axles on a straight plain. The idea of doing the entire mount in a one piece billet aluminum design is to save the headache of pressing out the old bushing and to knock off another 5 pounds of weight.
Our Rear Diffential Bar (mustache bar) completely replaces the stock cast iron bar on the car, keeping the side supports and all factory mounting points. This bar takes 13 pounds off the rear, add to this our new side support bushings and you end up with 18 pounds off the rear end. You also end up with an overall stiffer package in the rear and a diffential that cannot move.
Last edited by David Buschur; Mar 28, 2008 at 09:08 AM.
Trending Topics
I have not driven the car yet with them installed. I am sure there is more noise/vibration with them but it isn't going to be anymore than the rear diff support bar and the aluminum bushings that were used before this part was developed.
David, at what point would you say this should be something to be considered for EVO owners? would it depend on how much power someone is making? or is this just a good overall modification for EVO enthusiast? I'm sure some people would be bothered by the cabin vibrations and noise but I personally wouldn't mind the noise or vibration.
FOCK... you know sometimes I hate Buschur Racing. If it aint 1 thing its another with you guys.
Drop somemore weight with these aluminum beauties...
Dave I am loving the new mounts, GREAT job man
**EDIT** I was just thinking about when I put in my diff bar, those cast stock mounts were heavy as h*ll.
Drop somemore weight with these aluminum beauties...
Dave I am loving the new mounts, GREAT job man
**EDIT** I was just thinking about when I put in my diff bar, those cast stock mounts were heavy as h*ll.
I have no suggestion to when to add these. We did the mustache bar/aluminum bushings on our black car and after that our sixty foot times seemed to improve. This is going to add some vibration I am sure.
Unless you are concentrating hard on getting rid of weight I don't really see something like this being needed on a daily driven 12 second EVO, that's for sure.
Unless you are concentrating hard on getting rid of weight I don't really see something like this being needed on a daily driven 12 second EVO, that's for sure.