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#1
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What transmission speedometer gear do I need??
What color transmission speedo gear do I need for a 70 camaro with a M21, 4.10 rear and 14z7 wheels?
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'70 L78 NOVA SS '77 Bronco |
#2
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Re: What transmission speedometer gear do I need??
I think a green one with 24 teeth
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1968 LOS Rallye Green Z28 |
#3
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Re: What transmission speedometer gear do I need??
Yellow is the one you need 24 teeth 4.10. Green is 22 teeth for 3:70
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#4
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Re: What transmission speedometer gear do I need??
You want the Orange w/25 teeth,(#3860348),for your 4:10,which was also used with the same tire size w/3:31 ratio.
The Yellow w/24 teeth,(#3860347),would be correct for a 3:73 w/F60x15,or a 3:31 w/F70x15. The Green w/22 teeth,(#3860345),would be correct for a 3:55,or a 4:10 w/F60x15. Many GM distributors have them in stock today |
#5
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Re: What transmission speedometer gear do I need??
The last time I checked most of the gears are still available from your local Chevy dealerships parts department for about $6 each
James
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1968 Beaumont SD396 |
#6
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Re: What transmission speedometer gear do I need??
Thanks for asking that question for me Joe.
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1969 Z28 1972 Corvette |
#7
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Re: What transmission speedometer gear do I need??
The orange 25 tooth is what you need. One foot note, the new GM driven gears from GM are slightly larger in diameter and tight to install. Use some white grease and be carfull installing it so not to be broken. I have no idea what the tolerancing has changed on these but it has.
Jerry |
#8
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Re: What transmission speedometer gear do I need??
Thanks to everyone for their response! I will go with Jerry's suggestion of the orange one. I plan to use the stock AV wheels (if I can find a set)and repro tires for same
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'70 L78 NOVA SS '77 Bronco |
#9
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Re: What transmission speedometer gear do I need??
I have some GM ones still in the packages that I have had for at least 10 years. I don't know when they may have grown slighty larger as Jerry says but if you would like to go with something a little older than you can currently get from GM, let me know. $10 includes shipping.
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67 RS/SS 396 Original Drivetrain 70 SS 396 Convertible Original Drivetrain 70 SS 454 LS5 Survivor Original Drivetrain 65 Impala 396/425 65 Triumph TR4 Original Family Owned |
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