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03-19-2005, 09:36 AM
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#1 |
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Registered User
Join Date: Oct 2004
Location: East Texas
Posts: 76
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rearend ratio
Does anybody know the possible gear ratio for a 68 1/2 ton 307 with 3 spd column. Thanks.
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03-19-2005, 04:39 PM
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#2 |
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Senior Member
 Join Date: Mar 2004
Location: Somewhere
Posts: 985
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check your glove box door it may tell you. if not pull the diff cover and count the gears. the the number of teeth on the ring and divide by the number of teeth on the pinion.
ondrew p.s. my guess would be it's a 3.08 |
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03-19-2005, 11:48 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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Most likely it is a 3.73 onless otherwise optioned. If I remember correctly, the 3.07 gear was only standard with an automatic and small block.
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03-20-2005, 01:16 AM
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#4 |
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Registered User
Join Date: Dec 2003
Location: Cloverdale, British Columbia Canada
Posts: 159
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Real Trucks are Built not Bought Building: 1981 GM SB LowRider 1985 GM K3500 3+3 1981 GM K2500 SSB 1980 GM K2500 X-BC Hydro 1979 GM K3500 3+3 1976 GM K5 Blazer 1970 Custom 10 http://bc4x4.com/ |
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