# GEM Forum **URL:** https://community.electricforum.com/c/gem-forum/101.md?page=79 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 80 --- ## [2002 e825 going 35mph. Stock](https://community.electricforum.com/t/2002-e825-going-35mph-stock/15878)
**Author:** [@Gary\_Freedline](https://community.electricforum.com/u/Gary_Freedline)\ **Replies:** 5\ **Last updated:** [April 18, 2019, 12:53pm UTC](https://community.electricforum.com/t/2002-e825-going-35mph-stock/15878 "2019-04-18T12:53:31Z")
The speedometer says 25 to 27 however I had two cars pace me and I’m doing 35. my Speedometer app on my iPhone said 35 as well. I have the stock controller and motor there’s never been any modifications on this unit Exc… --- ## [CV shaft question](https://community.electricforum.com/t/cv-shaft-question/15870)
**Author:** [@Derrick](https://community.electricforum.com/u/Derrick)\ **Replies:** 1\ **Last updated:** [April 17, 2019, 1:29pm UTC](https://community.electricforum.com/t/cv-shaft-question/15870 "2019-04-17T13:29:13Z")
Does anyone know if the CV shafts on 04 and older cars are the same as 05 and newer? I found someone parting out an older gem and would like to replace one of my CV shafts but don’t know if it will fit my 08. Also did t… --- ## [Custom Hood Grills](https://community.electricforum.com/t/custom-hood-grills/15794)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 25\ **Last updated:** [April 16, 2019, 5:52am UTC](https://community.electricforum.com/t/custom-hood-grills/15794 "2019-04-16T05:52:02Z")
Hey check out these Custom Hood Grills (Bundcur) made. These are raw (not finished) they need to be sanded primed & painted. But they are gonna be real Cool (literally)I’m gonna cut open up the back side of the Hood so … --- ## [Stereo Antenna Options](https://community.electricforum.com/t/stereo-antenna-options/15505)
**Author:** [@Tyson\_Davis](https://community.electricforum.com/u/Tyson_Davis)\ **Replies:** 7\ **Last updated:** [April 16, 2019, 5:45am UTC](https://community.electricforum.com/t/stereo-antenna-options/15505 "2019-04-16T05:45:08Z")
Hey guys. I have a overhead radio and been trying to find a good low maintenance antenna for the radio. I didn’t want to stick an antenna out the top of my roof because I trailer my Gem once and a while and need the cl… --- ## [Adding Batteries for Accessories](https://community.electricforum.com/t/adding-batteries-for-accessories/15812)
**Author:** [@wolfman](https://community.electricforum.com/u/wolfman)\ **Replies:** 6\ **Last updated:** [April 16, 2019, 4:50am UTC](https://community.electricforum.com/t/adding-batteries-for-accessories/15812 "2019-04-16T04:50:32Z")
I am new to the GEM/electric car world and have just acquired a 2002 e825 for very little money. The batteries had been diagnosed as “DEAD” and needing replacement. I have a NOCO battery charger with a refresh function a… --- ## [Gem stake bed brackets](https://community.electricforum.com/t/gem-stake-bed-brackets/15825)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 7\ **Last updated:** [April 15, 2019, 8:48pm UTC](https://community.electricforum.com/t/gem-stake-bed-brackets/15825 "2019-04-15T20:48:06Z")
i have an e6 with the stake bed and the white drop in rails . Dont have the brackets that bolt to the stake bed to hold the rails . Anyone have them ? or know where to get them ? --- ## [Gem Car Ice Cream TRUCK](https://community.electricforum.com/t/gem-car-ice-cream-truck/15847)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 2\ **Last updated:** [April 15, 2019, 2:51am UTC](https://community.electricforum.com/t/gem-car-ice-cream-truck/15847 "2019-04-15T02:51:38Z")
--- ## [6 passenger 2013 gem for sale](https://community.electricforum.com/t/6-passenger-2013-gem-for-sale/15817)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 5\ **Last updated:** [April 14, 2019, 11:08am UTC](https://community.electricforum.com/t/6-passenger-2013-gem-for-sale/15817 "2019-04-14T11:08:37Z")
Bought this to do a full custom build for someone who has now changed their mind . It has 15,000 miles on it . I drove it around the block when i bought it . Batteries are completely shot . I was going to do a lithium up… --- ## [Gem with Nidec motor?](https://community.electricforum.com/t/gem-with-nidec-motor/15795)
**Author:** [@Streetman](https://community.electricforum.com/u/Streetman)\ **Replies:** 5\ **Last updated:** [April 10, 2019, 10:00pm UTC](https://community.electricforum.com/t/gem-with-nidec-motor/15795 "2019-04-10T22:00:04Z")
This guy is claiming a 12 hp Nidec motor and 34 MPH top speed. Is this legit? It has two part numbers: First listed is 7138, then GU3-4003 Manufactured 00/08/2017 --- ## [Northern Tool tires DM175D3B-4CT](https://community.electricforum.com/t/northern-tool-tires-dm175d3b-4ct/15826)
**Author:** [@Cjuza](https://community.electricforum.com/u/Cjuza)\ **Replies:** 0\ **Last updated:** [April 10, 2019, 12:00pm UTC](https://community.electricforum.com/t/northern-tool-tires-dm175d3b-4ct/15826 "2019-04-10T12:00:35Z")
Has anyone tried these tires on a stock GEM Car E4? They are 175/80D-13 load range B. The tire is 24" by 6.6" and i need to know if they fit without doing a lift. Thanks --- ## [Advice on tires and rims](https://community.electricforum.com/t/advice-on-tires-and-rims/15658)
**Author:** [@earlk](https://community.electricforum.com/u/earlk)\ **Replies:** 9\ **Last updated:** [April 8, 2019, 5:03pm UTC](https://community.electricforum.com/t/advice-on-tires-and-rims/15658 "2019-04-08T17:03:31Z")
I recently installed a disc brake conversion kit from NEV Accessories and they send a wheel spacer for the two front tires. I want to move up to 14" tires and I am looking for a recommendation on where to buy 4 custom ri… --- ## [Brake rub causing car to wobble](https://community.electricforum.com/t/brake-rub-causing-car-to-wobble/15815)
**Author:** [@cc3475](https://community.electricforum.com/u/cc3475)\ **Replies:** 0\ **Last updated:** [April 8, 2019, 3:26pm UTC](https://community.electricforum.com/t/brake-rub-causing-car-to-wobble/15815 "2019-04-08T15:26:51Z")
I recently cleaned out the brakes on my 2002 e825. After reassembling everything and testing the car on the road, I noticed that it wobbles. This was not an issue before. I jacked up the front and spun the tires and coul… --- ## [2002 - State of Charge(SoC) display reset](https://community.electricforum.com/t/2002-state-of-charge-soc-display-reset/15792)
**Author:** [@dougl](https://community.electricforum.com/u/dougl)\ **Replies:** 4\ **Last updated:** [April 6, 2019, 2:53am UTC](https://community.electricforum.com/t/2002-state-of-charge-soc-display-reset/15792 "2019-04-06T02:53:14Z")
Does anyone know how to adjust the SoC display on a 2002 e825? There is not trip/odometer button so I can’t try the turn signal dance to set the percentage. After doing the lithium upgrade I’d like to have the SoC gaug… --- ## [First time installation of 2008 GEM e2 batteries](https://community.electricforum.com/t/first-time-installation-of-2008-gem-e2-batteries/15727)
**Author:** [@Rascal](https://community.electricforum.com/u/Rascal)\ **Replies:** 6\ **Last updated:** [April 6, 2019, 6:02pm UTC](https://community.electricforum.com/t/first-time-installation-of-2008-gem-e2-batteries/15727 "2019-04-06T18:02:53Z")
All right guys how to I get the long black bar that goes threw all four of the DECA Jel battery lift handles on my e2 GEM car out? With a metal saw? It’s a 2008 model and this the first removal of its batteries. 16 year… --- ## [2009 E4 Increase max speed](https://community.electricforum.com/t/2009-e4-increase-max-speed/13957)
**Author:** [@rgeorge](https://community.electricforum.com/u/rgeorge)\ **Replies:** 48\ **Last updated:** [April 6, 2019, 3:00pm UTC](https://community.electricforum.com/t/2009-e4-increase-max-speed/13957 "2019-04-06T15:00:13Z")
I am new to the forum and a recent Gem car owner… I have been researching how to increase the speed some and find myself confused as to what is the right path…Tires, gearing, program controller, new motor, etc… I would … --- ## [Softer springs for GEM](https://community.electricforum.com/t/softer-springs-for-gem/15084)
**Author:** [@Todd](https://community.electricforum.com/u/Todd)\ **Replies:** 13\ **Last updated:** [April 6, 2019, 2:06pm UTC](https://community.electricforum.com/t/softer-springs-for-gem/15084 "2019-04-06T14:06:12Z")
Since I coverted to Lithium batteries and went to a lower profile sidewall tire, my GEM feels like it is riding on iron. Has anyone found softer springs to use? --- ## [DQ profile changing](https://community.electricforum.com/t/dq-profile-changing/6482)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 9\ **Last updated:** [April 6, 2019, 3:31am UTC](https://community.electricforum.com/t/dq-profile-changing/6482 "2019-04-06T03:31:39Z")
If any one is having problems changing Delta-Q profiles let me know. I have a stand alone device to change codes without connection to main battery. It does have to be connected to charger leads. Either in the car or on … --- ## [Electric drive problem](https://community.electricforum.com/t/electric-drive-problem/15793)
**Author:** [@Bolanger](https://community.electricforum.com/u/Bolanger)\ **Replies:** 1\ **Last updated:** [April 5, 2019, 11:30pm UTC](https://community.electricforum.com/t/electric-drive-problem/15793 "2019-04-05T23:30:16Z")
Fully charged…drive about 2 miles…all green bars drop immediately to 1 red and goes into slow mode. Limp about 1/4 mile at 2 mph. Plug in again over night and goes back to full bars. Any ideas…thanks --- ## [I was driving my gem and now after I charged it, it will not turn on](https://community.electricforum.com/t/i-was-driving-my-gem-and-now-after-i-charged-it-it-will-not-turn-on/15784)
**Author:** [@gem\_car\_newbie](https://community.electricforum.com/u/gem_car_newbie)\ **Replies:** 1\ **Last updated:** [April 5, 2019, 10:05pm UTC](https://community.electricforum.com/t/i-was-driving-my-gem-and-now-after-i-charged-it-it-will-not-turn-on/15784 "2019-04-05T22:05:18Z")
I was just using my 02 gem and now after I charged it it won’t turn on. The buzzer beeps for the parking brake but if won’t move and there is no display. Thank you --- ## [2000 Gem Battery and Headlight problem](https://community.electricforum.com/t/2000-gem-battery-and-headlight-problem/15740)
**Author:** [@ndw602](https://community.electricforum.com/u/ndw602)\ **Replies:** 7\ **Last updated:** [April 5, 2019, 12:58am UTC](https://community.electricforum.com/t/2000-gem-battery-and-headlight-problem/15740 "2019-04-05T00:58:37Z")
Good Morning All, I am the proud new owner of a 2000 Gem. Got it for a steal…because of the issues. Quick back story. The previous owner had it for 3 years. Probably drove it a total of 10 hours. Sat in a garage with l… --- ## [500hp diesel engine to 600hp electric motor](https://community.electricforum.com/t/500hp-diesel-engine-to-600hp-electric-motor/15662)
**Author:** [@Tiajuana999](https://community.electricforum.com/u/Tiajuana999)\ **Replies:** 1\ **Last updated:** [April 3, 2019, 10:17pm UTC](https://community.electricforum.com/t/500hp-diesel-engine-to-600hp-electric-motor/15662 "2019-04-03T22:17:14Z")
Converting a 500hp diesel engine to an 600hp electric motor. Not sure what type of motor, probably a 600hp AC motor? Need help with Hertz and RPM selection? Thanks --- ## [Smoked a cell during volt conversion](https://community.electricforum.com/t/smoked-a-cell-during-volt-conversion/15715)
**Author:** [@Hbbill](https://community.electricforum.com/u/Hbbill)\ **Replies:** 12\ **Last updated:** [April 3, 2019, 1:05am UTC](https://community.electricforum.com/t/smoked-a-cell-during-volt-conversion/15715 "2019-04-03T01:05:54Z")
So I was drilling the bottom of a volt battery pack to install compression rods when I think I hit a live cell. Got smoke with a bit of a sizzle sound. Removing drill bit revealed some copper chips and it was extremely w… --- ## [2000 GEM E4 Rear seat safety rail/netting/bar/etc to keep Munchkins in](https://community.electricforum.com/t/2000-gem-e4-rear-seat-safety-rail-netting-bar-etc-to-keep-munchkins-in/15754)
**Author:** [@LakeLover2348](https://community.electricforum.com/u/LakeLover2348)\ **Replies:** 3\ **Last updated:** [April 2, 2019, 11:16pm UTC](https://community.electricforum.com/t/2000-gem-e4-rear-seat-safety-rail-netting-bar-etc-to-keep-munchkins-in/15754 "2019-04-02T23:16:31Z")
Thanks for your past help with my 2000 E4 charging system, fixed the problem with a new sensor. My next question is: Has anyone installed a bar, netting, or other restraint for the back seat passengers (without install… --- ## [OEM GEM motor for sale](https://community.electricforum.com/t/oem-gem-motor-for-sale/15735)
**Author:** [@inspectorudy](https://community.electricforum.com/u/inspectorudy)\ **Replies:** 0\ **Last updated:** [April 1, 2019, 4:46pm UTC](https://community.electricforum.com/t/oem-gem-motor-for-sale/15735 "2019-04-01T16:46:31Z")
I have an original GEM motor from a 2000 2 seater that I do not need. Any reasonable offer accepted. --- ## [Installing a New (Used) Transmission](https://community.electricforum.com/t/installing-a-new-used-transmission/15663)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 33\ **Last updated:** [April 1, 2019, 4:24am UTC](https://community.electricforum.com/t/installing-a-new-used-transmission/15663 "2019-04-01T04:24:43Z")
Hey I got my new USED 10:35 transmission. I was wondering if anyone had any tips for Pre Install. The Input shaft is good, And Im installing new Input shaft bearings & seal & New Motor rubber bumper, Was wondering what… --- ## [Can I switch 9 8volt batteries for 6 12volt’s?](https://community.electricforum.com/t/can-i-switch-9-8volt-batteries-for-6-12volt-s/15722)
**Author:** [@Chriscampaigne](https://community.electricforum.com/u/Chriscampaigne)\ **Replies:** 2\ **Last updated:** [March 31, 2019, 3:27pm UTC](https://community.electricforum.com/t/can-i-switch-9-8volt-batteries-for-6-12volt-s/15722 "2019-03-31T15:27:12Z")
I have a 2008 e6 with the s package… I need to replace the batteries… I would like to buy 6…not 9… Any leads would help… Thanks --- ## [What batteries are best for 2002 Gem e825](https://community.electricforum.com/t/what-batteries-are-best-for-2002-gem-e825/12178)
**Author:** [@Rixpix](https://community.electricforum.com/u/Rixpix)\ **Replies:** 14\ **Last updated:** [March 31, 2019, 3:28am UTC](https://community.electricforum.com/t/what-batteries-are-best-for-2002-gem-e825/12178 "2019-03-31T03:28:43Z")
First let me say I am brand new to this forum but have been reading posts for a couple of weeks. Amazing site with a ton of knowledge!! After all this reading I've come to find that I was sold the wrong batteries two yea… --- ## [BMS Leads on parallel batteries](https://community.electricforum.com/t/bms-leads-on-parallel-batteries/15720)
**Author:** [@MikeKC](https://community.electricforum.com/u/MikeKC)\ **Replies:** 3\ **Last updated:** [March 30, 2019, 3:05pm UTC](https://community.electricforum.com/t/bms-leads-on-parallel-batteries/15720 "2019-03-30T15:05:26Z")
Please excuse my very, very, very bad drawing. I am about ready to install two 99v Spark batteries in parallel giving me 120Ah. My question is should I connect the BMS leads in parallel and then to the BMS or is there a… --- ## [Would like to install new charger in 2000 E825](https://community.electricforum.com/t/would-like-to-install-new-charger-in-2000-e825/15712)
**Author:** [@Leslie](https://community.electricforum.com/u/Leslie)\ **Replies:** 1\ **Last updated:** [March 30, 2019, 12:47am UTC](https://community.electricforum.com/t/would-like-to-install-new-charger-in-2000-e825/15712 "2019-03-30T00:47:43Z")
I have a 2000 E825 that I bought from its original owner. The original owner tinkered with it to boost speed. I am not sure if he did anything to the charger. I currently have a relatively new set of Trojan batteries … --- ## [What is this thing?](https://community.electricforum.com/t/what-is-this-thing/15714)
**Author:** [@cc3475](https://community.electricforum.com/u/cc3475)\ **Replies:** 1\ **Last updated:** [March 29, 2019, 6:11pm UTC](https://community.electricforum.com/t/what-is-this-thing/15714 "2019-03-29T18:11:01Z")
I’m trying to replace the wheel cylinder and while I was removing the brake line the bolt got stuck on this thing, preventing me from removing it all the way. What is this thing and what does it do? Is it safe to remove?… [Previous page](https://community.electricforum.com/c/gem-forum/101.md?page=78) [Next page](https://community.electricforum.com/c/gem-forum/101.md?page=80)