Controller question

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bobking44

New Member
2001 E-Z-GO TXT/PDS

It has a freedom chip (So called) in it and presently runs about 18 mph and the electrical braking feature is disabled.

I have read on this fourm, if I understood it correctly, that I can use as much as a 400 amp controller on the stock motor provided I change the battery cables.

As I understand it, I wouldgain torque which is fine as is for my use, but I question whether this would increase speed.

Would it increase speed and if so how much? Will it shorten the life of the motor or other components?

If the controller change would not increase speed, what other options do I have. I would like to get to about 22-25 mph.

bobking44
S. CA
 
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dougmcp

New Member
25 mph from that cart may be a tall order.
Larger tires will give you a little more speed, maybe 2-3 mph.
If you don't already have 4ga welding cables on your batteries, that would be the next step.
The next part gets a little more expensive.
If your cart is being held back by current limiting from the controller, you may pick up a little speed by increasing to a 400a.
If that does nothing then you will need to send your motor in for a rewinding from either EMP or PlumQuick.
 
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bobking44

New Member
Thanks for the info!

If I go to 12 inch wheels, how large a tire can I go to without raising the cart, which I do not want to do. Also, would the wheels need to be ofset and if so how much?

Do I assume correctly that all cables should be changed and not just those that tie the batteries together?

Bob
 
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dougmcp

New Member
You don't have to go to 12" wheels.
Any tire that has a diameter of around 20", no larger than 20.5" will work without lifting.
You can get that diameter on 8", 10" and 12" wheels. Offset is usually 3"-4".
A std GC tire is 18" diameter (8.50x8-18).
 
B

bobking44

New Member
Thanks for your help Doug.

I am going to make the change in tire size.

I actually have some 2 ga welding cable in my shop that is never being used.
I am going to find some terminals to fit that and make that change as well.

Other than welders this cart is my first experience with low voltage HIGH amperage equipment.
I am learning quickly that it is a whole new ball game.

I am sure I will have further questions in days to come.

Again, thanks!

Bob
S. CA
 
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dougmcp

New Member
You can get terminals from here:
[URL="https://weldingsupply.securesites.com/cgi-bin/einstein.pl?Next::8:UNDEF367352:::
 
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jauguston

New Member
I Just put 20"X10"X8" tires on my '92 Marathon and on 36v new batteries and 4ga wires my GPS showed a increase from 10 mph to 11 mph over the stock 18" tires. I added a seventh battery and a Alltrax AXE 4844 controller and it now does 15 mph according to my handheld GPS. I had to grind a recess in the steering arm to clear the tire sidewall. There is still plenty left in the steering arm for strength.

Jim
 
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iaefebs

New Member
With the grind relief in the steering arm did you deflate the tire and/ or overload the front end to make sure you still have clearance ?
wallbash.gif
 
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jauguston

New Member
What part of telling you personal experience of installing 20" tires and what was needed to make them work needed to go in another thread???

Jim
 
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