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06-19-2011, 07:59 PM | #1 |
The 60-66 GMC/Pontiac guy....
Join Date: Oct 2010
Location: Apache Junction, Arizona
Posts: 1,306
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Re: My 66 Service Truck Build Thread
After checking auto-zone, checker O'Riely's and NAPA I found the same part number for 63 3/4 ton and 79 3/4 ton A-arm shafts. In fact they used the same A arms for over 20 years.
They bolt directly in. They are the same upper and lower. I have a 79 1/2 ton suspension that bolted directly to my 63 cross member with no problem whatsoever. I have no idea as to the interchangeability between 1/2 and 3/4 ton. The reason I had to use the cross member on the 66 is because I used the 79 motor mount plates and the contour and hole pattern is different on the different year cross members where the plates bolt on. The 79 plates made my Pontiac transformation a bolt in deal. If I hadn't used a Pontiac motor in my build I may have opted to leave the cross member in and not change it at all. Frankly, you could pull your spindles only and bolt them to the 63-66 A arms. I could do that swap in 3 hours total.
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Building Genuine Pontiac Firepowered cars and trucks for several decades. Why Pontiac?? That's just me daring to be different. Projects.. 63 C10 Short Wheel Base fleetside (The Pro-Street) currently under reconstruction. 440CID 2X4 Pontiac |
06-25-2011, 12:55 AM | #2 | |
But Found Her 25yrs Later!
Join Date: Oct 2010
Location: Oregon City, Oregon
Posts: 10,506
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Re: My 66 Service Truck Build Thread
Quote:
I may just go that route. Either way, I'm going to wait until the rainy season to do the front.
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I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035 |
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