Re: Newbie, Buying my first. 72 GMC K20
Wheel bases for Tahoe 117.5 4 door (GMT420), Tahoe/K5 111.50 2 door (GMT415) and Suburban 131.49 (GMT425).
Link to GMT400 upfitter manual
https://www.gmupfitter.com/files/med...uckCurrent.PDF
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AJC
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