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01-23-2012, 02:55 PM
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#1 |
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Registered User
Join Date: Aug 2011
Location: Port Dover, Ontario
Posts: 8
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gear ratio ?
Hi
Would anyone know what rear end gear ratios were offered for 3/4 ton chevys? Mine is an 79, 350 with 4 10's. Would like something more hwy/gas friendly. All I have ever seen are 3 73's, and they are not exactly plentyful in this neck of the woods. Thanks, Dave |
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01-23-2012, 05:51 PM
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#2 |
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Account Suspended
Join Date: Dec 2008
Location: indisclosed
Posts: 1,515
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Re: gear ratio ?
i think for 79 you only had 3 choices---3.21, 3.73 and 4.10.
If this is the 14bolt full floater then the aftermarket doesn't look much better. |
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01-24-2012, 12:04 AM
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#3 |
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Registered User
Join Date: Aug 2011
Location: Port Dover, Ontario
Posts: 8
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Re: gear ratio ?
Thanksc-10 for the reply.
I think I have a 10 bolt Dana if I'm not mistaken. |
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01-24-2012, 12:22 AM
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#4 |
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Account Suspended
Join Date: Dec 2008
Location: indisclosed
Posts: 1,515
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Re: gear ratio ?
Not sure what a 10 bolt dana is?
How many bolts do you have on the diff cover? |
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01-24-2012, 07:36 AM
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#5 |
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Registered User
Join Date: Feb 2007
Location: Memphis MI
Posts: 1,851
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Re: gear ratio ?
2wd? 4WD? 10 1/2 full floater, or 9 1/2 semi? Corporate or dana front if 4wd?
my 81 3/4 2wd has a 9 1/2 semi floater and has 3.42 gears. They made a 3.23 (rare), 3.73's and 4.11 from the factory for this rear.
__________________
1987 2 ton  1982 250/TH350 beater in progressDad's 1981 3/4 L6 3 on tree posi and no options, awaiting restoration or scrappingPlus a mess o' tractors |
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01-25-2012, 12:07 PM
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#6 |
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Account Suspended
Join Date: Dec 2008
Location: indisclosed
Posts: 1,515
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Re: gear ratio ?
Can you take a picture of the rear diff cover?
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01-25-2012, 08:21 PM
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#7 |
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Registered User
Join Date: Jan 2012
Location: maysville n.c
Posts: 56
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Re: gear ratio ?
if you have a 10 bolt ill happily trade you mt 307s for your 410s lol
__________________
i beat tires till they scream for life while the others watch. 2010 nissan titan. wifes truck 1979 dodge magnum e58 police package. wifes baby 1987 chevy short bed. daddys play toy 2002 stratus wifes d.d 2001 dodge 2500 cummins loaded. daddys work truck |
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01-25-2012, 09:03 PM
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#8 |
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Registered User
Join Date: Jan 2012
Location: henderson nevada
Posts: 200
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Re: gear ratio ?
i have a 14 bolt corporate 4:10...with a 454....i need to get a gear vendor...
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1976 GMC SIERRA CLASSIC CAMPER SPECIAL! 454 BIG BLOCK BABY!
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