Those with large rims-speedo question??

fordrarities · February 13th, 2008, 05:41 PM

i just got a 90GT and it has 18" saleen rims and i noticed that the speedometer is off. ive seen how you can buy different speedometer gears if you have different gears out back, but what if it just rims thats throwing it off?

Thanks

e3sean · February 13th, 2008, 05:45 PM

not much u can do if u have larget rims you should get smaller tires so they end up being the same circumfrence

kuskye25 · February 13th, 2008, 05:52 PM

i agree maybe a lower profile will help what are you running

86ttops · February 13th, 2008, 05:58 PM

On my durango i have 33's and i just ran next to my gf in her stock trailblazer mine is off by 5mph i just tankes that in to account

ryans88gt · February 13th, 2008, 05:59 PM

you can use a different speedo gear to correct it as well. But it will be hit or miss on how close you get to the actual speed.

fordrarities · February 13th, 2008, 06:12 PM

thanks for the fast responses guys

February 13th, 2008, 05:41 PM	#1
fordrarities Regular 1990 GT Join Date: May 2006 Location: NC Posts: 111 iTrader: 0 reviews	Those with large rims-speedo question?? i just got a 90GT and it has 18" saleen rims and i noticed that the speedometer is off. ive seen how you can buy different speedometer gears if you have different gears out back, but what if it just rims thats throwing it off? Thanks __________________ 1990 Mustang GT

February 13th, 2008, 05:45 PM	#2
e3sean I Post Entirely Way Too Much 1988 lx 9.68@142 Join Date: Nov 2007 Location: goldsboro NC Posts: 5,609 iTrader: 0 reviews	not much u can do if u have larget rims you should get smaller tires so they end up being the same circumfrence __________________

February 13th, 2008, 05:52 PM	#3
kuskye25 Regular Join Date: Dec 2007 Posts: 371 iTrader: 0 reviews	i agree maybe a lower profile will help what are you running __________________ '88 Mustang GT, Long Tube Headers, Off Road H-pipe, Flowmasters w/turn downs, K&N, Under Drive Pullies, Smog delete/Ac eliminator/72" belt, Subframe connectors, 3.73 Gears '93 LX 4-banger 78k miles

February 13th, 2008, 05:59 PM	#5
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	you can use a different speedo gear to correct it as well. But it will be hit or miss on how close you get to the actual speed. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

February 13th, 2008, 06:12 PM	#6
fordrarities Regular 1990 GT Join Date: May 2006 Location: NC Posts: 111 iTrader: 0 reviews	thanks for the fast responses guys __________________ 1990 Mustang GT

February 13th, 2008, 05:58 PM	#4
86ttops Hardcore Enthusiast 86,97 mustang gt t tops n/a Join Date: Aug 2007 Location: decatur il Posts: 1,287 iTrader: 0 reviews	On my durango i have 33's and i just ran next to my gf in her stock trailblazer mine is off by 5mph i just tankes that in to account

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