Phil, Below are a couple pics of a 1965 250 accelerator linkage and return spring posted by our own member Lugnutz on a different site that appears to match your friends truck. Prior to 1963 and in 1967 (I'm pretty sure) the linkage setups were different. The pictures I found of those setups did not match with your friends truck. Hope this may help out! wink NOTE: 250 and 230 linkage is the same.
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Last edited by Gdads51; 06/01/2024 2:36 PM.

~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)