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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV.



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Unread 05-25-2014, 07:00 AM   #1
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Default Long Travel lift front & rear, Lithium powered TXT build

I'm pretty excited about this build. It's going good so far with few complications. I started with a well used 2003 txt as you can see.

I have a Jakes long travel cart and love how the front rides. Rear is still stiff with HD leaf springs. Jakes offers a rear long travel for gas but not electric. I bought the rear kit from jakes anyway to see if it'll work with a little fabrication.

The 2nd pic shows just the jakes rear long travel. Found two major problems right away.

Problem #1 a gas cart rear axle housing tube is 2.25" diameter, an electric is 2.00" so the solid aluminum coil-over mounts will not tighten down. Solution- I bought a steel tube with an inner diameter of 2.00" and an outer diameter of 2.25". I cut it in half lengthwise making two pieces that I welded to the rear axle tube increasing it's diameter to 2.25". Problem #1 done.

Problem #2 is no lateral and roll support for rear axle since electric doesn't have a motor mount stabilizing the rear axle. Solution- I come from a jeep off-roading background and we 3-link and 4-link all the time. If I triangulate new lower links I correct this issue. A bit of DOM tubing and some rod ends, some weld in bungs and a few tab mounts and we have a solid rear.
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Unread 05-25-2014, 07:02 AM   #2
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

I sent all frame parts to get powder coated. Parts came back and I started assembling.
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Unread 05-25-2014, 07:04 AM   #3
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

Some more including an almost complete jakes front long travel.
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Unread 05-25-2014, 07:09 AM   #4
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

For the lithium battery I got some new Nissan Leaf modules, enough for a 48v 120Ah pack. I have bottom balanced them to avoid a complicated battery monitoring system (BMS). Charging will be with a Quick Charge standard on-board charged custom programed for my lithium pack. QC doesn't charge any more for this service.
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Unread 05-25-2014, 08:09 AM   #5
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

QC onboard charger?

I'm interested in finding out more about a purpose programmed on board charger
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Unread 05-25-2014, 08:12 AM   #6
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

Is this the same charger?

http://www.chargingchargers.com/quic...-a-charge.html
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Unread 05-25-2014, 08:28 AM   #7
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

Sport

What is the weight of these batteries. I have the same lift on the rear of my cart and the stock springs that come with the kit I have had to make them as stiff of a setting I can get to. I am contemplating on going and getting another set of springs because they do not support the cart well.

Good job on the mods to get the lift to fit.
LH
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Unread 05-25-2014, 08:56 AM   #8
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

Quote:
Originally Posted by interstate View Post
Sort of yes but wrong website. That is a reseller.


Go direct to Quick Charge for a custom programmed charger. I choose a standard on-board, not a select-a-charge to save money. QC did ship a select-a-charge model but no other modes are available with the lithium profile programmed. You can see the charger on my mini picnic table (work bench) in the above picture of initial charge.

http://www.quickcharge.com/on-board-...-standard.html
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Unread 05-25-2014, 08:57 AM   #9
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

Quote:
Originally Posted by LostHusker View Post
Sport

What is the weight of these batteries. I have the same lift on the rear of my cart and the stock springs that come with the kit I have had to make them as stiff of a setting I can get to. I am contemplating on going and getting another set of springs because they do not support the cart well.

Good job on the mods to get the lift to fit.
LH
The pack is about 120 lbs.

I have heard that the rear coil overs don't always provide enough support. I am hoping with my light pack and no rear seat they will work. Do you have a rear seat?
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Unread 05-25-2014, 09:00 AM   #10
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Default Re: Long Travel lift front & rear, Lithium powered TXT build

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Originally Posted by sportcoupe View Post
The pack is about 120 lbs.

I have heard that the rear coil overs don't always provide enough support. I am hoping with my light pack and no rear seat they will work. Do you have a rear seat?
Just a cargo box, that is more weight then my engine. You could always try it and see. I am running 25" tires so it rubs quickly, I know when I am turning it is easy to pull the front tire off the ground while accelerating. The rear flexes that much.
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