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post #1 of (permalink) Old 01-10-2006, 09:57 PM
'86k5
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gearing

my blazer has 3.08 gears,good for gas milage ,bad for towing.i need a gear that isn't to low,but that i can still get decent milage,maybe 3.73 or 4.10.what do you all think
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post #2 of (permalink) Old 01-11-2006, 09:13 AM
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Re: gearing

We're all gonna ask: motor, tranny, axles, tire size, what are you towing?
post #3 of (permalink) Old 01-11-2006, 09:20 PM
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Re: gearing

motor is a built 355,700r4 tranny,1/2 ton axles,and towing anything from a 4-wheeler to a 75hp tractor.
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post #4 of (permalink) Old 01-11-2006, 11:26 PM
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Re: gearing

Has the 700R4 been beefed up as well? Off the hip I'd say some 4.10s and tow in 3rd. When unloaded you've got the OD to compensate for the gears.
post #5 of (permalink) Old 01-12-2006, 10:42 PM
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Re: gearing

that tractor has to be getting up around 10,000 lbs with a trailer. i would not tow anything that heavy with a blazer for very far or at high speeds. a short wheel base like that tends to jack knife and those chevy brakes really can't handle that much safely.
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post #6 of (permalink) Old 01-13-2006, 10:31 AM
 
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Re: gearing

What size tires are you running???
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post #7 of (permalink) Old 01-16-2006, 08:30 PM
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Re: gearing

yeah,that tractor is realy heavy,my grandfather actually blew his 95' chevy up while towing it,he doesn't have a larger oil cooler like mine does so his oil temp skyrocketed and his radiator split,then a rod shot out the bottom.
post #8 of (permalink) Old 01-16-2006, 08:31 PM
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Re: gearing

runnin' 31-1050s
post #9 of (permalink) Old 01-17-2006, 02:21 AM
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Re: gearing

With that heavy of a trailer, I'd go with 4.10, maybe even 4.56 if you pull that tractor a lot.
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post #10 of (permalink) Old 01-17-2006, 08:56 AM
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Re: gearing

the only problem i have with a gear that low is milage,even though i'm only getting about 14 thats still pretty good for a 365hp motor,but that low gearing it would probably get around 8.
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