Speedometer Off

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After putting 295's on my 98,the speedo is off. I've heard of a box by Abbott to recalibrate. Any idea's or suggestion's where to buy?

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98 2500 12valve 4x4,auto,37,000miles,no muff,cat,or ring.

 

[Archive]

I changed mine to 265's. It didn't change my speedo much but I like to measure my fuel mileage. I found a website that calculates the difference in speed and mileage.

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1994 Ram 2500 Laramie SLT, Cummins turbo diesel, 2WD, Automatic(beefed up after a few rebuilds) Ranch Hand steel brush guard, Westin Step bars. sprayed in liner. silencer ring removed, Flowmaster muffler, chrome turn down pipe out the side, Velvet ride shackles. www.gitchesumatfreeweb.com

 

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Can you tell us the name of the web site for that info? After an 1100mi. trip, my trip meter showed 863mi??!! I know that when my speedo is on 56mph, thats really 74mph.

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99 2500 4x4,quad cab,lwb,black sport,4. 10lsd,5-speed,everything but leather,5" Tuff Country suspension lift chromed,3"body lift,37" Good Year Wrangler M/T's,16. 5x12 American Eagle wheels,K&N. VA box
2000 24' Weekend Warrior
97 Yamaha Banshee

 

[Archive]

JRE sells the Abbott thinggy, His web site is listed in the links under the Engine Performance section. Search the old posts for "Abbott" and I am sure you will find some more info.

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01 2500 SLT+ QC LWB 4x4 Auto 3. 54 rear end Forrest Green Sport with all options avail
DC Nerf Bars, DC Grill Gard, DC mud flaps, Line-X bed liner and Leer 160XL Topper
Power Edge on work bench awaiting install. Gauges and 4" Exhaust in planning stages. Dreaming of transmission
up grades and injectors... ... and some type of Airbox mods.
See My Truck
2000 Skidoo Summit 700

Dads truck: 97. 5 3500 SLT QC LWB 4x4
Brother Truck: 92 2500 SLT QC LWB 4x4 (Dads old truck)

 

[Archive]

JR2, Thanks. I found it on the JRE site. I'll try the old posts.