Quote:
Originally Posted by Vintage Windmills
If you are not keeping it original anyways, you may want to upgrade to the newer steering box with variable ratio. I'm not sure when introduced, I think around 78 or so in the K20's. The ram assists are neat but not as trouble free and don't steer super easy from what i've been told. I have one on my 67 GMC 4x4 but that truck has never ran. If you have a true factory 4x4 ram assist, they are not easy to find and a member here would love to have yours if you do upgrade. His username is 67-72trucks and he's from Michigan.
Not sure on the axles but I know at least upgrading to the 71/72 disc brake equipped D44 HD is a common and simple one. Is there anything better about 73+?
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maybe the brake sheilds... there thicker, one piece and dont bedn as easy or break. my dads k10 has a 77 k10 axle in it and it has really nice brake sheilds compared to 71 or 72. ( im not sure when they switched to these sheilds though. they could have still had them in 73 or 74.)