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Guest Lenny

By Guest Lenny
in Joyner UTV SxS Forum

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Guest Lenny

Guest Lenny

Posted
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Lenny Im inquiring on details, specs and/or pics on this diff fix... Im on my second rear diff and in the process of changing the front..Joyner upgraded my rear diff the second time seems to be solid.

PM me with your email address and I'll send you a copy of the instructions. How does your Fast Freddy ECU do? Is there a lot of difference in torque, HP or both? Where is the difference, at high or low RPMs. How much power difference would you say it has over the stock ECU?

Thanks

Lenny

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plumber Proficient

plumber

Posted
Posted

PM me with your email address and I'll send you a copy of the instructions. How does your Fast Freddy ECU do? Is there a lot of difference in torque, HP or both? Where is the difference, at high or low RPMs. How much power difference would you say it has over the stock ECU?

Thanks

Lenny

Yell how is that ECU

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Jarrad Community Regular

Jarrad

Posted
Posted

PM me with your email address and I'll send you a copy of the instructions. How does your Fast Freddy ECU do? Is there a lot of difference in torque, HP or both? Where is the difference, at high or low RPMs. How much power difference would you say it has over the stock ECU?

Thanks

Lenny

I have installed a few of those ECU's at No Limits, It is not a install for the faint of heart, the wiring diagram they supply and instructions look like the guy did it on a bar napkin after 5 or 6 drinks, hard to follow and a few phonecalls will get it done, but on a NA motor it works great, and works even better with a turbo, but if you install it on a NA motor then go turbo you have to send it in to get reflashed with a turbo program costs about an extra $150

Jarrad

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CrawlnT2 Enthusiast

CrawlnT2

Posted
Posted

I have installed a few of those ECU's at No Limits, It is not a install for the faint of heart, the wiring diagram they supply and instructions look like the guy did it on a bar napkin after 5 or 6 drinks, hard to follow and a few phonecalls will get it done, but on a NA motor it works great, and works even better with a turbo, but if you install it on a NA motor then go turbo you have to send it in to get reflashed with a turbo program costs about an extra $150

Jarrad

Instructions with ECU suck! I had to call the guy a couple times but once spoke with him it all made since. The ecu IMO is good just high on price. The ECU is made by TRUST Japan which is Greddy in the USA. Seems to me the tune could be stronger, it has a dead spot at 4k. I'm trying to work this out now. I have noticed that when I retard the timing it gains bottom end torque. Id say that the ecu adds a good amount of torque but most of it is in the higher revs. Alabama doesn't have dunes so I'm trying to dial in that low end power. A built 1100 w/ supercharger is in the works.I'm so power hungry!! :D

Traland

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ricksrb Mentor

ricksrb

Posted
Posted

Instructions with ECU suck! I had to call the guy a couple times but once spoke with him it all made since. The ecu IMO is good just high on price. The ECU is made by TRUST Japan which is Greddy in the USA. Seems to me the tune could be stronger, it has a dead spot at 4k. I'm trying to work this out now. I have noticed that when I retard the timing it gains bottom end torque. Id say that the ecu adds a good amount of torque but most of it is in the higher revs. Alabama doesn't have dunes so I'm trying to dial in that low end power. A built 1100 w/ supercharger is in the works.I'm so power hungry!! :D

Traland

I had called Fast Freddys a couple weeks ago regarding their ECU and they wanted $900 plus another $100 or so to install and test/tune on their dyno,think its worth it for what i would gain?

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