Harms Rebuilt '71 Thermoquad - Wondering Idle, Stalls when Put in Gear

Frank Cole said
Correct gaskets, not quadrojet gaskets. I didn't check float level. New rebuilt so I just installed it as-is. Metering rods move up and down slightly at idle. Regarding mixture screws, engine stalls out when either screw is turned all the way in so i don't think idle jet is blocked. All good points though.

Bewy said
1971 was a one year only model of the TQ. It should still work. Correct gaskets used?
Float level? Do the metering rods stay down at idle [ they should ]?
Four turns out on the mixture screws seems a lot. Maybe one idle jet is blocked.

Reread your post.

Frank Cole said
Now this is interesting. I'll go back and double check but the rods and tower were moving up and down slightly when idling but mostly stayed at the TOP.

CORRECTION - I just checked and the metering rods stay mostly DOWN down. Fluctuate but mostly down.