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Re: Stinking o-rings and speedo gears
That's actually the site that I used. It is linked to from cowtown.
Eric "L.W. ("ßill") ------ III" <----------@cox.net> wrote in message news:417B40E2.7316703@cox.net... > And another for your 33: > http://www.jeeptech.com/javaAps/Speedo.html > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Eric wrote: >> >> I just found that site. See, that's one of many that says I need a 36 >> tooth >> gear (which, if the 3% per tooth theory is true, that would make sense). >> I >> found another that says I need a 34...\ >> >> I now have a 33 tooth gear that I can't do anything with. I'm sure the >> stealership won't take it back (although it only has a few miles on >> it...). >> I hate to buy another gear just for it to be wrong... |
Re: Stinking o-rings and speedo gears
That's actually the site that I used. It is linked to from cowtown.
Eric "L.W. ("ßill") ------ III" <----------@cox.net> wrote in message news:417B40E2.7316703@cox.net... > And another for your 33: > http://www.jeeptech.com/javaAps/Speedo.html > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Eric wrote: >> >> I just found that site. See, that's one of many that says I need a 36 >> tooth >> gear (which, if the 3% per tooth theory is true, that would make sense). >> I >> found another that says I need a 34...\ >> >> I now have a 33 tooth gear that I can't do anything with. I'm sure the >> stealership won't take it back (although it only has a few miles on >> it...). >> I hate to buy another gear just for it to be wrong... |
Re: Stinking o-rings and speedo gears
That's actually the site that I used. It is linked to from cowtown.
Eric "L.W. ("ßill") ------ III" <----------@cox.net> wrote in message news:417B40E2.7316703@cox.net... > And another for your 33: > http://www.jeeptech.com/javaAps/Speedo.html > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Eric wrote: >> >> I just found that site. See, that's one of many that says I need a 36 >> tooth >> gear (which, if the 3% per tooth theory is true, that would make sense). >> I >> found another that says I need a 34...\ >> >> I now have a 33 tooth gear that I can't do anything with. I'm sure the >> stealership won't take it back (although it only has a few miles on >> it...). >> I hate to buy another gear just for it to be wrong... |
Re: Stinking o-rings and speedo gears
I have seen several charts that don't agree.
This one worked for my TJ... I am within 1% now. http://www.raingler.com/tech/speedoChart.asp -- JimG 80' CJ-7 258 CID, HEI 4.56 Gears, Lock-Right F&R 35" BFG MT on 15x10 Centerlines D44 Rear, D30 Front. SOA Dana 300 w/4:1 & Currie twin sticks Warn X8000i w/ dual batteries 00' TJ Sport 4.0L, 5sp 4.56 Gears, TrueTrac rear 33" BFG AT on 15x8 Eagle Alloys D35 Rear, D30 Front. 3" Suspension Lift "Eric" <gymrat@baileyscorner.com> wrote in message news:QJGed.5240$p87.2041@fe2.texas.rr.com... > Ok, two problems today: > > 1. I had my wife pick me up a 33 tooth speedometer gear -- as that's what > a website (linked to by multiple other sites) said I needed. Finally get > it installed and working, and it's 10% off. Not much of a problem at low > speeds, but it adds up at highway speeds. Also, it's off in the OTHER > direction -- says I'm going much faster than I am. Also means more > miles... > > 2. When installed the new gear, I apparently ripped the little o-ring > apart that seals the assembly in the transfer case. SO, I have fluid going > everywhere whenever I drive. AND, none of the parts stores carry that size > of ring. They said it's a dealer-only. I hope they sell them seperately... > > So, I have a useless speedo gear and an out-of-commission vehicle until > Monday, at the earliest. Fan-freakin-tastic. > > Anyone know of a better place other than > http://www.cowtownjeeps.com/index.as...edo/speedo.htm to check > what gear I need?? > > Thanks, > > Eric > 99 TJ SE > 4" lift, Custom HD dirveshaft w/SYE, SS brake lines, 33" BFG MTs, > Challenger Rock Rails, 4.0L TB, AirAid Intake, Dynomax cat-back, and lots > of war wounds. > > |
Re: Stinking o-rings and speedo gears
I have seen several charts that don't agree.
This one worked for my TJ... I am within 1% now. http://www.raingler.com/tech/speedoChart.asp -- JimG 80' CJ-7 258 CID, HEI 4.56 Gears, Lock-Right F&R 35" BFG MT on 15x10 Centerlines D44 Rear, D30 Front. SOA Dana 300 w/4:1 & Currie twin sticks Warn X8000i w/ dual batteries 00' TJ Sport 4.0L, 5sp 4.56 Gears, TrueTrac rear 33" BFG AT on 15x8 Eagle Alloys D35 Rear, D30 Front. 3" Suspension Lift "Eric" <gymrat@baileyscorner.com> wrote in message news:QJGed.5240$p87.2041@fe2.texas.rr.com... > Ok, two problems today: > > 1. I had my wife pick me up a 33 tooth speedometer gear -- as that's what > a website (linked to by multiple other sites) said I needed. Finally get > it installed and working, and it's 10% off. Not much of a problem at low > speeds, but it adds up at highway speeds. Also, it's off in the OTHER > direction -- says I'm going much faster than I am. Also means more > miles... > > 2. When installed the new gear, I apparently ripped the little o-ring > apart that seals the assembly in the transfer case. SO, I have fluid going > everywhere whenever I drive. AND, none of the parts stores carry that size > of ring. They said it's a dealer-only. I hope they sell them seperately... > > So, I have a useless speedo gear and an out-of-commission vehicle until > Monday, at the earliest. Fan-freakin-tastic. > > Anyone know of a better place other than > http://www.cowtownjeeps.com/index.as...edo/speedo.htm to check > what gear I need?? > > Thanks, > > Eric > 99 TJ SE > 4" lift, Custom HD dirveshaft w/SYE, SS brake lines, 33" BFG MTs, > Challenger Rock Rails, 4.0L TB, AirAid Intake, Dynomax cat-back, and lots > of war wounds. > > |
Re: Stinking o-rings and speedo gears
I have seen several charts that don't agree.
This one worked for my TJ... I am within 1% now. http://www.raingler.com/tech/speedoChart.asp -- JimG 80' CJ-7 258 CID, HEI 4.56 Gears, Lock-Right F&R 35" BFG MT on 15x10 Centerlines D44 Rear, D30 Front. SOA Dana 300 w/4:1 & Currie twin sticks Warn X8000i w/ dual batteries 00' TJ Sport 4.0L, 5sp 4.56 Gears, TrueTrac rear 33" BFG AT on 15x8 Eagle Alloys D35 Rear, D30 Front. 3" Suspension Lift "Eric" <gymrat@baileyscorner.com> wrote in message news:QJGed.5240$p87.2041@fe2.texas.rr.com... > Ok, two problems today: > > 1. I had my wife pick me up a 33 tooth speedometer gear -- as that's what > a website (linked to by multiple other sites) said I needed. Finally get > it installed and working, and it's 10% off. Not much of a problem at low > speeds, but it adds up at highway speeds. Also, it's off in the OTHER > direction -- says I'm going much faster than I am. Also means more > miles... > > 2. When installed the new gear, I apparently ripped the little o-ring > apart that seals the assembly in the transfer case. SO, I have fluid going > everywhere whenever I drive. AND, none of the parts stores carry that size > of ring. They said it's a dealer-only. I hope they sell them seperately... > > So, I have a useless speedo gear and an out-of-commission vehicle until > Monday, at the earliest. Fan-freakin-tastic. > > Anyone know of a better place other than > http://www.cowtownjeeps.com/index.as...edo/speedo.htm to check > what gear I need?? > > Thanks, > > Eric > 99 TJ SE > 4" lift, Custom HD dirveshaft w/SYE, SS brake lines, 33" BFG MTs, > Challenger Rock Rails, 4.0L TB, AirAid Intake, Dynomax cat-back, and lots > of war wounds. > > |
Re: Stinking o-rings and speedo gears
Hi Eric,
I have a 35 tooth gear with 4.10 and half-worn 33" BFG MT. When my speedometer reads 100 km/h, my GPS tells me I'm actually going 99.1 km/h. If you're certain that you are showing exactly 10% fast with a 33 tooth gear, then the 36 tooth appears to be what you want. If your error is closer to 8%, you should try the 35 tooth. When using charts or calculators (some of which are downright wrong), remember that new BFG MT 33s are actually 32.8" and that diameter will decrease with wear. Steve http://xjeep.dyndns.org Eric wrote: > Ok, two problems today: > > 1. I had my wife pick me up a 33 tooth speedometer gear -- as that's what a > website (linked to by multiple other sites) said I needed. Finally get it > installed and working, and it's 10% off. Not much of a problem at low > speeds, but it adds up at highway speeds. Also, it's off in the OTHER > direction -- says I'm going much faster than I am. Also means more miles... > > 2. When installed the new gear, I apparently ripped the little o-ring apart > that seals the assembly in the transfer case. SO, I have fluid going > everywhere whenever I drive. AND, none of the parts stores carry that size > of ring. They said it's a dealer-only. I hope they sell them seperately... > > So, I have a useless speedo gear and an out-of-commission vehicle until > Monday, at the earliest. Fan-freakin-tastic. > > Anyone know of a better place other than > http://www.cowtownjeeps.com/index.as...edo/speedo.htm to check > what gear I need?? > > Thanks, > > Eric > 99 TJ SE > 4" lift, Custom HD dirveshaft w/SYE, SS brake lines, 33" BFG MTs, Challenger > Rock Rails, 4.0L TB, AirAid Intake, Dynomax cat-back, and lots of war > wounds. |
Re: Stinking o-rings and speedo gears
Hi Eric,
I have a 35 tooth gear with 4.10 and half-worn 33" BFG MT. When my speedometer reads 100 km/h, my GPS tells me I'm actually going 99.1 km/h. If you're certain that you are showing exactly 10% fast with a 33 tooth gear, then the 36 tooth appears to be what you want. If your error is closer to 8%, you should try the 35 tooth. When using charts or calculators (some of which are downright wrong), remember that new BFG MT 33s are actually 32.8" and that diameter will decrease with wear. Steve http://xjeep.dyndns.org Eric wrote: > Ok, two problems today: > > 1. I had my wife pick me up a 33 tooth speedometer gear -- as that's what a > website (linked to by multiple other sites) said I needed. Finally get it > installed and working, and it's 10% off. Not much of a problem at low > speeds, but it adds up at highway speeds. Also, it's off in the OTHER > direction -- says I'm going much faster than I am. Also means more miles... > > 2. When installed the new gear, I apparently ripped the little o-ring apart > that seals the assembly in the transfer case. SO, I have fluid going > everywhere whenever I drive. AND, none of the parts stores carry that size > of ring. They said it's a dealer-only. I hope they sell them seperately... > > So, I have a useless speedo gear and an out-of-commission vehicle until > Monday, at the earliest. Fan-freakin-tastic. > > Anyone know of a better place other than > http://www.cowtownjeeps.com/index.as...edo/speedo.htm to check > what gear I need?? > > Thanks, > > Eric > 99 TJ SE > 4" lift, Custom HD dirveshaft w/SYE, SS brake lines, 33" BFG MTs, Challenger > Rock Rails, 4.0L TB, AirAid Intake, Dynomax cat-back, and lots of war > wounds. |
Re: Stinking o-rings and speedo gears
Hi Eric,
I have a 35 tooth gear with 4.10 and half-worn 33" BFG MT. When my speedometer reads 100 km/h, my GPS tells me I'm actually going 99.1 km/h. If you're certain that you are showing exactly 10% fast with a 33 tooth gear, then the 36 tooth appears to be what you want. If your error is closer to 8%, you should try the 35 tooth. When using charts or calculators (some of which are downright wrong), remember that new BFG MT 33s are actually 32.8" and that diameter will decrease with wear. Steve http://xjeep.dyndns.org Eric wrote: > Ok, two problems today: > > 1. I had my wife pick me up a 33 tooth speedometer gear -- as that's what a > website (linked to by multiple other sites) said I needed. Finally get it > installed and working, and it's 10% off. Not much of a problem at low > speeds, but it adds up at highway speeds. Also, it's off in the OTHER > direction -- says I'm going much faster than I am. Also means more miles... > > 2. When installed the new gear, I apparently ripped the little o-ring apart > that seals the assembly in the transfer case. SO, I have fluid going > everywhere whenever I drive. AND, none of the parts stores carry that size > of ring. They said it's a dealer-only. I hope they sell them seperately... > > So, I have a useless speedo gear and an out-of-commission vehicle until > Monday, at the earliest. Fan-freakin-tastic. > > Anyone know of a better place other than > http://www.cowtownjeeps.com/index.as...edo/speedo.htm to check > what gear I need?? > > Thanks, > > Eric > 99 TJ SE > 4" lift, Custom HD dirveshaft w/SYE, SS brake lines, 33" BFG MTs, Challenger > Rock Rails, 4.0L TB, AirAid Intake, Dynomax cat-back, and lots of war > wounds. |
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