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01-07-2007, 03:53 AM
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#1 |
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Senior Member
Join Date: Dec 2004
Location: Southern Pines NC
Posts: 3,853
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68 3/4 rear ratio?
I just got a 68 chevy 3/4 2 wheel drive 6 cylinder 3 on the tree truck. No options except for heavy duty front and rear springs and sway bar.
What would the rear end gear ratio be, trying to figure out what I am going to do with it. It is a full floating rear, new to 3/4 up stuff so please baer with me Thanks, Steve |
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01-07-2007, 08:31 AM
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#2 |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: 68 3/4 rear ratio?
Just a guess here, but I believe that 6 cyl w/3spd came with 4.11 gearing.
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1997 GMC Sierra Ext 1965 Mustang |
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01-07-2007, 10:44 AM
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#3 |
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Senior Member
 
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,886
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Re: 68 3/4 rear ratio?
On my '69 there is a tag on one of the lower diff. bolts that lists the number of teeth and the resulting ratio.Check there.-cougar
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme. |
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01-07-2007, 10:53 AM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 68 3/4 rear ratio?
inline, 3 speed, no option code saying otherwise... it should be a 4.57.
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01-07-2007, 12:31 PM
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#5 |
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Senior Member
Join Date: Dec 2004
Location: Southern Pines NC
Posts: 3,853
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Re: 68 3/4 rear ratio?
Just what I thought but not what I hoped. I got a good deal on the truck and it has trailing arms. I was going to swap it into one of my 1/2 burbs and make it a tow vehicle. A small block would never survive on the highway with that at 65. And no overdrive trans, too much money for what I want
Thanks guys.......... |
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