Found my dads original 1971 duster!

DionR said
Sorry, I missed that.

So the engine builder might have tuned the Carter to the motor when he dyno’ed it then? That would be a bonus in my mind if he did.

Hmm. I’m not sure about that. I’ll have to ask him. I didn’t know you tuned a fuel pump to the motor. Oh the stuff I learn on here! Lol