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09-08-2003, 01:08 AM
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#1 |
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Registered User
Join Date: Mar 2003
Location: kansas
Posts: 1,071
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what gears?
i need some help figuring out what gears i got im my rear end. i just got the rear end and its for my 67 but it came out of a 70. i have the code off the rear....NF3896838. thanks.
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'67 c10 350/th350 |
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09-08-2003, 11:04 PM
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#2 |
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Registered User
Join Date: Mar 2003
Location: kansas
Posts: 1,071
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anyone? or if those arent the right number what do i need?
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'67 c10 350/th350 |
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09-08-2003, 11:45 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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I don't have the code here, but I would just as soon pop the cover off and count the teeth. The oil is probably older than dirt anyways.
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09-08-2003, 11:47 PM
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#4 |
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Registered User
Join Date: Mar 2003
Location: kansas
Posts: 1,071
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yeah its probably never been opened. what should i look for when counting teeth?
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'67 c10 350/th350 |
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09-09-2003, 12:07 AM
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#5 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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To get the gear ratio, count the teeth of the driven gear, and devide it by the drive gear. I hear there are numbers stamped in them, but i have no idea where to look for them.
As for what else to look for, teeth missing, chips, a funny wear patern...fluid with more metal in it than oil. |
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09-09-2003, 12:14 AM
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#6 |
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Registered User
Join Date: Mar 2003
Location: kansas
Posts: 1,071
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ok cool thanks for the help.
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'67 c10 350/th350 |
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09-09-2003, 12:22 AM
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#7 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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no problem.
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09-09-2003, 03:36 PM
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#8 |
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Careful, they attack...
Join Date: Aug 2001
Location: Waterford, MI, USA
Posts: 1,107
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The numbers will be stamped along the outside of the ring gear. It will have the ring gear tooth number folloed by the pinion gear tooth number. divide the ring by the pinion and you have your ratio.
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09-09-2003, 03:56 PM
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#9 |
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Broke
Join Date: Aug 2001
Location: West Plains,MO
Posts: 385
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Just like what Longhorn Man said has been the easiest for me.
Pull the cover and count the teeth on both the ring gear and the pinion gear. Then divide the number on the ring gear by the number on the pinion and this is your ratio. (e.g. 41 teeth on ring gear, 11 teeth on pinion=3.73 gear ratio.) I usually use a soap stone to mark the teeth also.
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72CheyenneSuper1ton4x4BigBlock |
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09-09-2003, 05:59 PM
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#10 |
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Registered User
Join Date: Mar 2003
Location: kansas
Posts: 1,071
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thanks guys
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