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



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Old 08-06-2015, 11:26 AM   #1
CrossRut
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Default Improving Performance

Ok have a questions for the experts. I have no experience with carts and I am new to this game. We race MX and I recently purchased 2 36 volt carts to us as pit vehicles. Both are basic carts, no lift, standard tires, pretty good batteries, fold down rear seats etc. We live in an area dominated with sand and I was not totally impressed with the performance however the terrain is flat and they both performed ok and equally well. Last week we went to a big national race in Tn in an area with quite a few big hills to climb. Performance was weak at best. We had to tow dead carts on multiple occasions. The hills seemed to just kill the carts very quickly.
Now my question... Do I upgrade to 48 volt and spend the money upgrading motors and controllers or do I need to consider gas? I certainly need to put larger tires on to give me more ground clearance. In my mind that will only make my problem worse.
Please give me some suggestions.
Thanks
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Old 08-11-2015, 09:41 AM   #2
mutant
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Default Re: Improving Performance

i am not an expert but there are numerous posts on here about upgrades-alot depends on how much you wanna spend...i have a 36v ezgo txt series cart and if i had the money i would go with leaf batteries(72v-huge weight drop)and the right controller and motor combo to get the package of performance i desire... bigger tires give you taller gear as well as a higher cg...i live in the mountains of western nc and i took off my lift kit to reduce the risk of rollover.(been on 3 or 2 wheels too many times with the lift) and have gone back to stock diameter tires to keep the desireable gear for the steep hills around here...
i also used to race at muddy creek and won 2 championships in `86-miss racing mx to this day-but i am racing cars these days-lower impact! good luck and hope this helped.
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Old 08-16-2015, 08:18 AM   #3
yurtle
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Default Re: Improving Performance

First thing to check is your current batteries. How old are they? The month and year should be on the batteries, and the way to read this depends on the manufacturer. Next, check individual and pack voltage 12 hours after charging is complete.
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Old 08-16-2015, 06:06 PM   #4
Sir Nuke
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Default Re: Improving Performance

CrossRut....another thing that would help us help you is to know what type i8f cart you have. Either a Series drive cart or a Sepex drive cart.


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Old 08-17-2015, 11:54 AM   #5
bronsonj
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Default Re: Improving Performance

Hi CrossRut, you are correct in that larger tires will reduce the useable torque and that will impact you on those hills.

Like Yurtle said, knowing more about which cart you have will help us help you.

Gas is fun, especially if you run a modified/clone engine cart. The big downside in my mind is the noise. I had a modified gas cart but the wife hated the noise. Was also an issue if I wanted to ride the cart to the corner store after dark. Loud enough to bother the neighbors.
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Old 08-27-2015, 09:50 AM   #6
CrossRut
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Default Re: Improving Performance

Sorry been on vacation. Both of my carts are series carts. One has good batteries and one doesn't so i can get a complete picture. Where I live is flat and mostly sand so the sand really soakes up power but I need to go across pastures and such so a lift is needed. I guess my biggest question is it worth it to do what I need to do to the battery carts to make them more powerful or do i need to just sell them both and get something gas. Sound is not an issue for me.
Thanks
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Old 08-27-2015, 11:02 AM   #7
JohnnieB
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Default Re: Improving Performance

I drive across fields with an non-lifted cart on 17" tires, which is an inch shorter than the 18" stock tire height, so my cart's ground clearance at the differential pan is about 4" rather than the stock 4.5".

Lifting a cart does not increase ground clearance at the differential pan, only taller tires will do that and taller tires reduce available torque, but with the appropriate upgrades, an electric cart with relatively tall tires can be driven through sand.

The stock ground clearance at the differential of a gas cart is the same as an electric cart.
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Old 08-27-2015, 02:03 PM   #8
cartattach
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Default Re: Improving Performance

There is no cheap speed increase for a series cart. New batteries will give you about 14-15mph and that's it.
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Old 08-27-2015, 02:19 PM   #9
scottyb
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Default Re: Improving Performance

Assuming (for lack of information) '95 & up Ezgo TXT Use SPM48500, 400 solenoid, 2g cables, 48v charger for $1063. Add a set of six 8v batteries ($100 each) and you have a 18-20 mph cart that can carry 4 people & pull hills.
Hope this helps
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Old 08-27-2015, 07:51 PM   #10
CrossRut
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Default Re: Improving Performance

Quote:
Originally Posted by JohnnieB View Post
I drive across fields with an non-lifted cart on 17" tires, which is an inch shorter than the 18" stock tire height, so my cart's ground clearance at the differential pan is about 4" rather than the stock 4.5".

Lifting a cart does not increase ground clearance at the differential pan, only taller tires will do that and taller tires reduce available torque, but with the appropriate upgrades, an electric cart with relatively tall tires can be driven through sand.

The stock ground clearance at the differential of a gas cart is the same as an electric cart.
I understand that a lift alone does not increase the ground clearance that the tires do and that a gas cart is no higher. Performance is my interest. I need more ground clearance to cover my fields and and more performance to pull in the sand. Sounds like only a big upgrade will make my carts perform as needed.
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