speedo gear
Posting Guru
Joined: Jul 2003
Posts: 2,222
Likes: 1
From: East Central Florida
jd,
I'm curious as to what sort of "gearbox" that suspicious sounding Speedo Place wants to install, and Why they would think anybody is actually that stupid? It sounds like a minature cash register of some sort to me. . . .
I jumped between 4:56:1 all the way to 2.78:1 ratios with 9" FoMoCo rears. As long as the drive gear on output shaft matches teeth pitch on driven gear of cable all I did was swap driven gear for the correct one. In fact I even did a 5.18:1 dana 70 with a gear plus a tire diameter change combo. . . . . no magic box though.
I have acquaintences in our Gendarmery (aka Local Law Enforcement community) and they're always willing to "shoot me with a speed gun" on request, or otherwise. I just drive through their beam a couple 3 or so times getting an avg read out from them to set or be sure my recordable speeds are within tolerance. . . .
Barry, I'd like to see a "salvage yard" in the North East Period! Seems as they have all become "Auto Recyclers & Dismantlers" with pricing to reflect their new "Pro" Status.
FBp
I'm curious as to what sort of "gearbox" that suspicious sounding Speedo Place wants to install, and Why they would think anybody is actually that stupid? It sounds like a minature cash register of some sort to me. . . .
I jumped between 4:56:1 all the way to 2.78:1 ratios with 9" FoMoCo rears. As long as the drive gear on output shaft matches teeth pitch on driven gear of cable all I did was swap driven gear for the correct one. In fact I even did a 5.18:1 dana 70 with a gear plus a tire diameter change combo. . . . . no magic box though.
I have acquaintences in our Gendarmery (aka Local Law Enforcement community) and they're always willing to "shoot me with a speed gun" on request, or otherwise. I just drive through their beam a couple 3 or so times getting an avg read out from them to set or be sure my recordable speeds are within tolerance. . . .
Barry, I'd like to see a "salvage yard" in the North East Period! Seems as they have all become "Auto Recyclers & Dismantlers" with pricing to reflect their new "Pro" Status.
FBp
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Posting Guru
Joined: Nov 2004
Posts: 1,111
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From: Turlock CA
Ok I stopped by the Ford garage on the way home and the only one they had was a 16 tooth. I was hopping for a 17 but I bought the 16 anyway. It was only $5.00. The local pick N Pull charges about half of new price so I chose what I am getting there wisely. But the good thing is they generaly let you take home anything you can get in your pocket. So ***** and things are a free bee.
My garage is getting well stocked with small stuff. I'll let you guys know how the 16 works. After reading Johns post I'm a little worried I went to far. I am gonna run it through my ten mile trap in the morning. If it is to much at least my gas milage will go up. hehehe
jd
My garage is getting well stocked with small stuff. I'll let you guys know how the 16 works. After reading Johns post I'm a little worried I went to far. I am gonna run it through my ten mile trap in the morning. If it is to much at least my gas milage will go up. hehehe
jd
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Joined: Nov 2004
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From: Turlock CA
FBP
I found it on line somewhere. It looks like a little 90 degree jobber. I too thought it was some sort of scam. When you call and talk with them the say that if it's just a gear change they go that route but if you can't they say you need their little box for $100.00.
I also told them a bit of a lye I thought I saw a nut connection at the end of the cable near the tranny but when I changed the gear tonight it is a solid connected cagle.
Barry I thought since you are a parts guy you would want to know the part nuber that was on the receipt reads CODZ *17271*A but it does say 16 R on the gear itself. It is molded into the plastic.
Would I order the same number and just tell them 17 teeth?
jd
I found it on line somewhere. It looks like a little 90 degree jobber. I too thought it was some sort of scam. When you call and talk with them the say that if it's just a gear change they go that route but if you can't they say you need their little box for $100.00.
I also told them a bit of a lye I thought I saw a nut connection at the end of the cable near the tranny but when I changed the gear tonight it is a solid connected cagle.
Barry I thought since you are a parts guy you would want to know the part nuber that was on the receipt reads CODZ *17271*A but it does say 16 R on the gear itself. It is molded into the plastic.
Would I order the same number and just tell them 17 teeth?
jd
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Post Fiend
Joined: Dec 2003
Posts: 6,658
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From: "Islander"
Read again and use what jowilker posted (pocket parts) at your local wrecker. Don't compare the 8 miles vs 10 driven as "Odie" will never match "Speedo". Get "Speedo" close ay possible and let "Odie" do what he wants. New vs worn tires will make a difference as well tire growth at speed. Far as gas mileage, go thru a marked area and note it (ratio difference) on your log if you keep track of your fuel mileage.
.....=o&o>.....
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Post Fiend
Joined: Dec 2003
Posts: 6,658
Likes: 4
From: "Islander"
jd_silva, hows the parts pickins in Modesto vs the S.F. bay area? Getting alot fewer trucks, most are garbage when they hit the "Pick-N-Pulls in my area. old is mid 80's these days.
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Joined: Nov 2004
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From: Turlock CA
Beemer
Same here You get a 60's for every now and than but mostly Chevy and Dodge here in the valley. Those old Fords just keep on running don't you know....
Also checked milage on the way to work this morning and it is still recording low by about 6 tenths of a mile but the speed feels good. I am gonna find someone with a newer vehicle to clock me and see how close I am. Drove along side a sherrif for about 5 miles this morning and if he was doing the speed limit I was real close. He may have just been holding back to listen to this FE purrrrrrrrrrrrr.
jd
Same here You get a 60's for every now and than but mostly Chevy and Dodge here in the valley. Those old Fords just keep on running don't you know....
Also checked milage on the way to work this morning and it is still recording low by about 6 tenths of a mile but the speed feels good. I am gonna find someone with a newer vehicle to clock me and see how close I am. Drove along side a sherrif for about 5 miles this morning and if he was doing the speed limit I was real close. He may have just been holding back to listen to this FE purrrrrrrrrrrrr.
jd
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Post Fiend
Joined: Dec 2003
Posts: 6,658
Likes: 4
From: "Islander"
jd_silva,
Unless i'm having bad recall years ago I believe there were different steel gears for the output shaft in the transmission as there is a limit on the nylon gear tooth range compatibilty. Get "speedo" corrected to the best and note "odies" error for fuel mileage. I have always seen "odies" between 8% to 14% slow on many trucks. On the bright side error correction will yield better fuel mileage.
.....=o&o>.....
Unless i'm having bad recall years ago I believe there were different steel gears for the output shaft in the transmission as there is a limit on the nylon gear tooth range compatibilty. Get "speedo" corrected to the best and note "odies" error for fuel mileage. I have always seen "odies" between 8% to 14% slow on many trucks. On the bright side error correction will yield better fuel mileage.
.....=o&o>.....
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Posting Guru
Joined: Nov 2004
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From: Turlock CA
Ok Barry the one I bought has 16 teeth and is also purple does the color mean anything?
Do they make a 15 tooth? The local Ford parts store says maybe after market.
I started with a 19 T and was short 2 miles for every 10 miles driven.
Installed a 16 T and now I am only .5 mile off in 10 miles driven.
I think I would be realy close with a 15.
jd
Do they make a 15 tooth? The local Ford parts store says maybe after market.
I started with a 19 T and was short 2 miles for every 10 miles driven.
Installed a 16 T and now I am only .5 mile off in 10 miles driven.
I think I would be realy close with a 15.
jd
Postmaster
Joined: Dec 1999
Posts: 2,813
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From: Connecticut
I was on Social Security disability for 6 years. I grew tired of it and my health is better now (Diabetes complications). That's why I've been keeping my fingers in the pie, so to speak over the years at home. Parts is in my blood, so I went back to it. It's stressful at times, but I feel like I'm part of the world again. I'm only 51, so I've got a few years to go yet before I retire!
Barry
Barry
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Posting Guru
Joined: Nov 2004
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From: Turlock CA
Well Barry it's good to hear your health is better and your back to work.
We are close to the same age I am 47 and the big D runs in my family also, both my father and grandfather had it when they passed away. I have it checked yearly just to be sure.
Well you take care and Thanks again for all your help.
jd
We are close to the same age I am 47 and the big D runs in my family also, both my father and grandfather had it when they passed away. I have it checked yearly just to be sure.
Well you take care and Thanks again for all your help.
jd