Stock rim size for 1978 GMC K15 Stepside

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Rusty Nail

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Jan 29, 2015
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the other side of the internet
First Name
Rusty
Truck Year
1977
Truck Model
C20
Engine Size
350sbc
Gimmie a break Nell Carter. Obviously a one inch wider wheel will have no effect on fitment. :rolleyes:
Its like "science" for the vaccinated!

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Grit dog

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Location
Auburn, Washington
First Name
Todd
Truck Year
1986, 1977
Truck Model
K20, C10
Engine Size
454, 350
Gimmie a break Nell Carter. Obviously a one inch wider wheel will have no effect on fitment. :rolleyes:
Its like "science" for the vaccinated!

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You’re very confusing to understand.
One post you say it makes a difference next post it doesn’t?
 

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