Re: Tri Power Carb adjustment and Procurement help?
The small Rochester 2gv (divorced choke with "v"acuum pulloff) and the 2gc (hot air coil choke like the 4100 autolites) are good carbs, 283-2v and 307-2v and 327-2v. Unless they are a "numbers" carb I wouldn't pay over $20 a piece for them, just buy a bunch and kit the 3 cleanest ones. If they won't idle right after cleaning, ditch em and try another one. Used to be in junkyards everywhere but still common at swap meets.
They are about 200cfm each at 1.5" Hg so three is only the equal of a 600cfm Holley - then again the 390/375 and 406/385 and 430/360 came with a 600 Holley on top so that is a fair amount of air.
Geez, $560 for 3 Rochester 2g's, they'd either have to be GTO carbs or brand new -
Find some cheap 2gc or 2gv's and make the linkage, it will be worth it and economical. They are good on gas too.