Lost speed

Eric · 01-22-2012, 04:11 PM

Can anyone tell me why I lost top end by nearly 10mph? I took my stock steele rims and 27-9-12 fronts and 27-11-12 rear Carlisle Blackwaters off and mounted Hiper Sidewinder carbon fiber rims with brand new Interco Swamp lites 27-10-12 all the way around. Why did I lose speed on top end?

Xelvic · 01-22-2012, 04:59 PM

Whats the weight difference of your new tires and wheels? I bet that's it.

Wes · 01-22-2012, 05:03 PM

the 27 inch swamp lites are taller much taller than your stock tire
i would say retune your clutch that should help bring it back to life

Eric · 01-22-2012, 05:14 PM

Thanks guys...I will weigh both and compare the two and post just as soon as I can get them to some scales. Retuning the clutch sounds great but I have no idea of how to do this. Any suggestions on how I can do this? Is this something I need to let my dealer do?
Thanks for all the help guys...This is really an awsome forum and proud to be a member!!!

Wes · 01-22-2012, 05:39 PM

i would buy a clutch kit it will have all the info you need to do it and the right springs and weights for different tire sizes

superbri · 01-22-2012, 05:41 PM

The 27" Bighorns on Commanders actually are a 26" tire i've compared them to my OG 26" bighorns and they were actually a little bit taller?!

joshuabuilt · 01-22-2012, 05:49 PM

with a taller tire wouldnt you be getting more top end?! It would just take longer to get top speed cause u loose low end

Eric · 01-22-2012, 06:24 PM

Quote: Originally Posted by joshuabuilt

with a taller tire wouldnt you be getting more top end?! It would just take longer to get top speed cause u loose low end

I thought so myself....I didnt think the weight of the swamp lites would come into play either since I mounted them on Hipers. They are a lil taller but really not that much. You think my belt could have anything to do with it? I havent noticed any slipping. The commander runs strong just the top end is not there anymore. The speedo with stock setup showed 73 but now only 65 with new setup. I thought maybe new setup throwed my speedo off but it gps at 63. speedo only two mph difference so thats not it. what you think?

Eric · 01-22-2012, 06:26 PM

Quote: Originally Posted by Wes

i would buy a clutch kit it will have all the info you need to do it and the right springs and weights for different tire sizes

Wich one would you recommend?

Wes · 01-22-2012, 07:09 PM

sorry i dont know which one would be best for u
i would start searching for reviews

01-22-2012, 04:11 PM	#1
Eric [OP] Senior Member Join Date: Nov 2011 Location: Estill Springs,TN Member #3797 Posts: 108 ()	Lost speed Can anyone tell me why I lost top end by nearly 10mph? I took my stock steele rims and 27-9-12 fronts and 27-11-12 rear Carlisle Blackwaters off and mounted Hiper Sidewinder carbon fiber rims with brand new Interco Swamp lites 27-10-12 all the way around. Why did I lose speed on top end?

01-22-2012, 04:59 PM	#2
Xelvic Senior Member Join Date: Jun 2010 Location: Tucson, AZ Member #312 Posts: 2,418 ()	Whats the weight difference of your new tires and wheels? I bet that's it. __________________ 2011 Can am Commander 1000X: 2X Motorsports Tie Rods Can am full skid plates Warn XT 4500 winch Street Legal kit (AZ) BRP Black Race Box Auto Meter Gauges MrRpm oil adapter Engine Oil Cooler MadeByMe Roof CvTech Clutch

01-22-2012, 05:41 PM	#6
superbri Senior Member Join Date: Jan 2011 Location: Eastvale, CA Member #1538 Posts: 360 ()	The 27" Bighorns on Commanders actually are a 26" tire i've compared them to my OG 26" bighorns and they were actually a little bit taller?! __________________ 2011 Red XT, custom 4 seat radius cage/TS rear seat, K&T box, 2X tie rods, Elka stage 4 shocks, Full STM clutch

01-22-2012, 05:49 PM	#7
joshuabuilt Senior Member Join Date: Jul 2011 Location: san diego Member #2811 Posts: 667 ()	with a taller tire wouldnt you be getting more top end?! It would just take longer to get top speed cause u loose low end __________________ -Its always something and never nothing - 08 dodge 2500 cumming 4x4 -2011 xt commander -04 trx 450r "for sale"

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01-22-2012, 05:03 PM	#3
Wes Senior Member Join Date: Apr 2011 Location: Indiana Member #2289 Posts: 407 ()	the 27 inch swamp lites are taller much taller than your stock tire i would say retune your clutch that should help bring it back to life

01-22-2012, 05:14 PM	#4
Eric [OP] Senior Member Join Date: Nov 2011 Location: Estill Springs,TN Member #3797 Posts: 108 ()	Thanks guys...I will weigh both and compare the two and post just as soon as I can get them to some scales. Retuning the clutch sounds great but I have no idea of how to do this. Any suggestions on how I can do this? Is this something I need to let my dealer do? Thanks for all the help guys...This is really an awsome forum and proud to be a member!!!

01-22-2012, 05:39 PM	#5
Wes Senior Member Join Date: Apr 2011 Location: Indiana Member #2289 Posts: 407 ()	i would buy a clutch kit it will have all the info you need to do it and the right springs and weights for different tire sizes

01-22-2012, 06:24 PM	#8
Eric [OP] Senior Member Join Date: Nov 2011 Location: Estill Springs,TN Member #3797 Posts: 108 ()	Quote: Originally Posted by joshuabuilt with a taller tire wouldnt you be getting more top end?! It would just take longer to get top speed cause u loose low end I thought so myself....I didnt think the weight of the swamp lites would come into play either since I mounted them on Hipers. They are a lil taller but really not that much. You think my belt could have anything to do with it? I havent noticed any slipping. The commander runs strong just the top end is not there anymore. The speedo with stock setup showed 73 but now only 65 with new setup. I thought maybe new setup throwed my speedo off but it gps at 63. speedo only two mph difference so thats not it. what you think?

01-22-2012, 06:26 PM	#9
Eric [OP] Senior Member Join Date: Nov 2011 Location: Estill Springs,TN Member #3797 Posts: 108 ()	Quote: Originally Posted by Wes i would buy a clutch kit it will have all the info you need to do it and the right springs and weights for different tire sizes Wich one would you recommend?

01-22-2012, 07:09 PM	#10
Wes Senior Member Join Date: Apr 2011 Location: Indiana Member #2289 Posts: 407 ()	sorry i dont know which one would be best for u i would start searching for reviews

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