1970 Gear Change / Transmission Swap
Ok, so I'm tired of going 55 mph on the freeway @ 3100 rpm in my medium duty and I wanted to keep it semi-original, so I did a bunch of searching as to the parts I may need.
I figured the best way would be to raise the gear ratio from my current 6.50:1 to some other factory available ratio. So, over the past year or so, I bought a higher geared third member and a Clark 280VO HD transmission to install.
The transmission is NOS and will need nothing, I rounded up the parking brake assembly for it and already found a used shifter assembly off eBay.
I will have to rebuild the third member, pictures of that are going to be coming as I do it.
Currently I just have the two parts shown and I have not torn anything out of my truck yet. The process of rebuilding and doing the swap is just starting, so here goes...
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2018 Silverado 6.2 1500 Crew Cab
2011 12 Passenger G3500
1969 369 Nova
1967 Chevelle SS 396
1970 GMC 5500
1991 V3500 Single RR Wheel Gen 6 496 / 4L80E
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