My 235 out of a 57 bel Aire does the same unless it ran the day before.
Cold start after a couple days it takes about a minute and a half for the noise to go away. On
1/4 throttle out. But its just a slight tap noise that gradually gets better then gone.

Last edited by Guitplayer; 11/22/2024 11:56 PM.

~ BD.
"You won't find me in an old folks home" Pioneer Florida Cracker
1958 Apache Stepside
1958 Apache 1/2 ton Panel
1959 Apache 1/2 ton Panel