# 2016 35Mph Transmission **URL:** \ **Category:** GEM Forum\ **Created:** [September 4, 2019, 4:08pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998 "2019-09-04T16:08:16Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [September 4, 2019, 4:08pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/1 "2019-09-04T16:08:16Z")
Well Rodney’s 12:35 Transmission Showed Up. ![image](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/a/a7a7032377d0c99a145ab8cb64f5b5e11fc2489e.jpeg) ![image](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/9/98ee73695028b22ec490e17927b85c7d5a9aa0ad.jpeg) ![image](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/a/aa03e4b49940fd44eab43bccff1e85d4bbd1a461.jpeg) The Stock transmission gear ratio in a 2016+ gem is 17:1 that’s crazy. Rodney sells a complete transmission with NEW lower gears that work out to 12:35. The lower gear ratio is supposed to allow the car to go 35 MPH. ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [September 4, 2019, 4:47pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/2 "2019-09-04T16:47:50Z")
Hey this reminds me does anyone have any information on the update where the dealers rubber mounted the transmission I guess owners were complaining about noise and vibration and the factory fix was to install rubber bumpers where the transmission mounted any information on this would be great ---
**Author:** ![Troyin909](https://avatars.discourse-cdn.com/v4/letter/t/57b2e6/32.png) [@Troyin909](https://community.electricforum.com/u/Troyin909)\ **Post date:** [September 4, 2019, 10:21pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/3 "2019-09-04T22:21:40Z")
Hey Grant what’s the cost for the Tran. Does he take yours as a core or just straight up buy his? ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [September 5, 2019, 3:22am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/4 "2019-09-05T03:22:56Z")
Troy. the one I got requires NO core. So it’s a bit more contact Rodney for a Shipped price. [rodneyadiehl@aol.com](mailto:rodneyadiehl@aol.com) ---
**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\ **Post date:** [September 5, 2019, 4:07am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/5 "2019-09-05T04:07:40Z")
Grant, you need to do a review of Troy’s Pmac. I can put his program in a Sevcon controller. ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [September 5, 2019, 4:29am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/6 "2019-09-05T04:29:04Z")
Dave What??? You can put a program that makes a PMAC motor work in a Sevcon!!! What the !!! That’s amazing if this is true all bets are out the window. Even so the 2016s 17:1 transmission is a joke. That transmission will kill any high performance motir ---
**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\ **Post date:** [September 5, 2019, 9:13am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/7 "2019-09-05T09:13:28Z")
Correct, you need higher gears to use the Pmac motor. I have not seen Troy’s gem run. He claims it is working good less regen. I can’t recommend it until someone checks it out. Also his is in a legacy model gem. ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [September 5, 2019, 4:42pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/8 "2019-09-05T16:42:23Z")
Rodney was nice enough to Email me a copy of the Transmission Isolation install directions. Rodney is it ok if I re-post the directions . ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [September 5, 2019, 4:44pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/9 "2019-09-05T16:44:50Z")
Wow a 35 Hp PMAC. I think you would need the Real tall gear transmission like the 9:1 that Rodney has to take advantage of the High Speed. I bet that car would do 55mph no problem. I have to get with Troy to see if I can help in any way to help move the PMAC forward ---
**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\ **Post date:** [September 5, 2019, 8:06pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/10 "2019-09-05T20:06:23Z")
Please do. He must have 100 hours in it! And that’s just the phone time with me. 🙂 It might be necessary to convert to 72-100v or tuning could be different. Also, I recommend using a new controller. I think Gem gets $2k for replacement. Wiring/plug is mostly the same. Power leads and motor/sensor wires. A few other details such as throttle and F-R needs wiring. Once someone did it it should be easy. I would be the guy to do it as I don’t use my new Gem, but it’s looking less likely every day that I will be up for it. ☹ ---
**Author:** ![doogie](https://avatars.discourse-cdn.com/v4/letter/d/2acd7d/32.png) [@doogie](https://community.electricforum.com/u/doogie)\ **Post date:** [September 10, 2019, 6:18pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/11 "2019-09-10T18:18:11Z")
Hey Grant: Looking forward to your assessment of the lower ratio tranny! ---
**Author:** ![Old\_Houseboater](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/old_houseboater/32/544_2.png) [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Post date:** [September 10, 2019, 8:49pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/12 "2019-09-10T20:49:44Z")
Were not allowed to post copy righted material. Private email is an alternate method. ---
**Author:** ![Naetdogg](https://avatars.discourse-cdn.com/v4/letter/n/cc9497/32.png) [@Naetdogg](https://community.electricforum.com/u/Naetdogg)\ **Post date:** [September 22, 2019, 7:31am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/13 "2019-09-22T07:31:37Z")
Yes it is a new mount bracket design that incorporates the rubber bumpers. If the vehicle has a lot of drive-line noise, a Polaris dealership can warranty the new mounts. If the warranty is passed, Polaris could still cover the part but that is a case by case basis. It affects Gem years '16-'18.5. ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [September 22, 2019, 4:27pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/14 "2019-09-22T16:27:12Z")
Nate that’s great info I’ll contact my local dealer to see if and what they can do for me ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [December 14, 2019, 7:37pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/15 "2019-12-14T19:37:51Z")
Ok I wanted to Report Back. Rodneys 12:35 Transmission is installed and works great. 35MPH as promised And combined with the transmission isolation (Sound Dampening) Transmission mounts the noise is NOT a issue. I will edit a complete video that includes a DB meter and road testing to show Stock cabin noise levels compared to New 12:35 Transmission and then cabin sound levels with the Dampening kit installed. Here are some early Numbers Stock transmission with 17:1 gears 79 DB @25 12:35 Gears installed =80-84 DB@ 25 12:35 Gears installed with sound Damper transmission mounts 79-80 DB Here is what the Vibration and sound dampening transmission mounts look like ![image](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/8/814ce9d5e3efd2e57944032ca73af8fb78b43f95.jpeg) Great Job Rodney this one is a win! ---
**Author:** ![MikeKC](https://avatars.discourse-cdn.com/v4/letter/m/90ced4/32.png) [@MikeKC](https://community.electricforum.com/u/MikeKC)\ **Post date:** [December 15, 2019, 3:43am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/16 "2019-12-15T03:43:38Z")
Grant, Is that with the stock motor at 48V? ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [December 15, 2019, 4:48am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/17 "2019-12-15T04:48:21Z")
Yes Car is 100% Stock. Right now it’s a Stock 48 volt car. Soon to be like yours 80+ Volt 20+ cell with 8k AC motor ---
**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\ **Post date:** [December 15, 2019, 5:34am UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/18 "2019-12-15T05:34:16Z")
Not much progress today. I have a new controller in the 2018, but it’s an 80v and a 48v car. One more thing to try before flashing the oem controller. A small possibility that the speed can be boosted in the oem. ---
**Author:** ![grantwest](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/grantwest/32/15_2.png) [@grantwest](https://community.electricforum.com/u/grantwest)\ **Post date:** [December 15, 2019, 5:30pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/19 "2019-12-15T17:30:40Z")
Dave what’s the Highest voltage you think a stock 2017 (48 volt car) can accept? Example Do you think you think the cars controller/contact ect could handle 60, or 70 volts. It would be interesting to see if a higher voltage battery pack would boost performance and range like what it did for the classic gems ---
**Author:** ![MikeKC](https://avatars.discourse-cdn.com/v4/letter/m/90ced4/32.png) [@MikeKC](https://community.electricforum.com/u/MikeKC)\ **Post date:** [December 15, 2019, 6:38pm UTC](https://community.electricforum.com/t/2016-35mph-transmission/16998/20 "2019-12-15T18:38:08Z")
@grantwest Max Voltage on a 48v is 69.6v. You would likely need a new contractor and a new DC/DC converter as we talked about before. Just checked and the DC/DC will goto 60v before you need the 72v version. ![Screen Shot 2019-12-15 at 12.36.32 PM](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/e/e3761053f868d4aea61e6ae5df2630e7c79e3f60.png) [Next page](https://community.electricforum.com/t/2016-35mph-transmission/16998.md?page=2)