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#1 |
70 Chevy 3/4t
Join Date: Sep 2000
Location: Kokomo,IN USA
Posts: 1,230
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rearend swap
I would like to change the rearend in my 70 3/4t truck. It currently has an Eaton that only allows me 4.11 and 4.56.
I was wondering, would a rearend from a 60-66 3/4t work? I know that trailing arms and whatnot all look the same. I had a 65 1/2t at one time and it had a Spicer rear in it. While I am unsure of the ratio it had, it was lots better for the highway. I know where there is a yard that has several 60-66 trucks, but unsure if any are 3/4t. But if I knew it would just bolt in I would be very interested in getting this done. Any help or info would be greatly appreciated. Thanks, Chad
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Find a job you love and you'll never have to work a day in your life. 1998 Yamaha V-Star 650 1970 Chevy 3/4t, I6 (rebuilt), 4 speed Kokomo,IN |
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#2 |
Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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the 60-66 3/4 ton Chevies used the Eaton, too.
are you staying 8 lug, or going 5?
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1969 GMC K2500 ![]() 1996 Honda Accord 2007 Kawasaki KLR 650 |
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#3 |
70 Chevy 3/4t
Join Date: Sep 2000
Location: Kokomo,IN USA
Posts: 1,230
|
I will be staying 8 lug.
Didn't they have a Dana rear? Are there other ratio options with it? Chad
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Find a job you love and you'll never have to work a day in your life. 1998 Yamaha V-Star 650 1970 Chevy 3/4t, I6 (rebuilt), 4 speed Kokomo,IN |
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#4 |
Join Date: Dec 1999
Location: Eastern - Manitoba Canada, Winnipeg
Posts: 4,369
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Yep they had a Dana too...I got one ...with 3.54 ratio..but it will weigh 300 plus pounds probably to ship.
The Dana came with 4.10 or 4.56 also. I got a 4.10 too...with maximum traction posi option too. You might be best off finding something closer...I cant even get to my supply till snow melts some here.
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Senior active founding member. 70 3/4 ton GMC Suburban 4x4 250/4 spd. 71 1/2 ton Suburban Chevy 4x4, 350/350 72 Chev 1 ton tow truck 402BB w/Holmes 440 wrecker on propane 2005 FLSTSCI Harley Springer 85 FXSB Harley Lowrider 72 Triumph 650 Bonneville 5spd "Poor people don't have hobbies" Quote from wife. |
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#5 |
Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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I knew some 60-66 GMC's had the D60, but I didn't know about Chevy. 68-72 Chevy BB 3/4 ton trucks will have a 3.54 D60 unless otherwise optioned.
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1969 GMC K2500 ![]() 1996 Honda Accord 2007 Kawasaki KLR 650 |
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