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12-17-2024, 12:24 AM
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#1 |
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Registered User
Join Date: Sep 2018
Location: Fargo
Posts: 379
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68 K20 rubbing on pitman arm.
I’m curious if this is the correct pitman arm for my 68 k20? Only has 8 inch wide tires on factory rims and it and is rubbing on pitman arm nut. I’ll post some pictures, but everything is factory including closed knuckle axle. Or is it as simple as the axle steering limiter bolt needs to be adjusted? Also worried for when I am going to 10" tires this summer.
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1959 GMC 100 3 on the tree 270. 1968 GMC k2500 Stepside 1972 Chevy Monte Carlo Custom. Last edited by 72 k15; 12-17-2024 at 12:44 AM. |
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12-17-2024, 09:11 PM
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#2 |
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Senior Member
 
Join Date: Feb 2016
Location: Muskegon, MI
Posts: 341
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Re: 68 K20 rubbing on pitman arm.
Looks the same as my '68 K20.
Dana 44 closed knuckle axle. 285/75 16 tires on 6.5" rims. No rubbing. I have never looked with the steering cranked to see how close it is though. Might be as simple as adjusting the stop bolt that you mentioned. The turning radius of these trucks is like a school bus. 
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1966 Custom Camper -327, 3OTT 1968 Chevrolet K20 - 350, 4 speed 1972 K10 SWB - 400, 3OTT 2003 Corvette Z06 - LS6 350, 405HP 2004 Tahoe LT 2015 Silverado 2500HD - 6.0L V8 |
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12-17-2024, 10:14 PM
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#3 |
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Registered User
Join Date: Sep 2018
Location: Fargo
Posts: 379
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Re: 68 K20 rubbing on pitman arm.
Thanks, that's what I was thinking. What rims are those on your k20?
__________________
1959 GMC 100 3 on the tree 270. 1968 GMC k2500 Stepside 1972 Chevy Monte Carlo Custom. |
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12-18-2024, 09:44 PM
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#4 | |
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Senior Member
Join Date: Feb 2016
Location: Muskegon, MI
Posts: 341
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Re: 68 K20 rubbing on pitman arm.
Quote:
__________________
1966 Custom Camper -327, 3OTT 1968 Chevrolet K20 - 350, 4 speed 1972 K10 SWB - 400, 3OTT 2003 Corvette Z06 - LS6 350, 405HP 2004 Tahoe LT 2015 Silverado 2500HD - 6.0L V8 |
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12-19-2024, 10:29 AM
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#5 |
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Active Member
Join Date: Apr 2021
Location: Santa Cruz, NM
Posts: 114
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Re: 68 K20 rubbing on pitman arm.
Is the frame twisted counter clockwise, looking from front to back? That might cause the drag link nut to stick out more. What if you placed some washers between the steering box and frame at the top? Is the pitman arm on the correct spline? Is your turning radius the same to both sides? If the above is ok, then it's probably an over zealous limiter like you suspected.
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