Welcome to the board. The situation you describe is par for the course when a later 235 is put in an AD truck. If it cools OK I wouldn't worry about it.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.