Most 261 I have seen were either yellow or Alpine Green (Detroit Deisel green).
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Last edited by BC59; 09/15/2026 3:34 AM.

BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022