yes,I have found out that info doing some research on it a while back.

I see it seems to be the summit house brand carb now days as it has summit where this one has holley.

it does look like the ferd motorcraft annular boosters from a ferd 2-v carb when they are removed.

it does use standerd holley jets.they are small in size at 50-55

to me that sounds way lean and prob why the guy said it did not work well.

all I found wrong so far is the accel pump was shot. so I replace the rear 50cc pump and the front 30cc pump along with both PV that are 8.5

I am going to fire it up this way to see how it acts. then maybe bump the jets up to the same specs on the summit house brand 750-850 carbs.

I was told you can go a lot smaller on the jet size with annular boosters but I have never tuned a holley.

it seems as simple as a edelbrock the way the top is a 1 piece. to me it looks like a q-jet/edelbrock/holley hybrid.

only thing holding me back right now is...do I want to spend the $ on a duel feed line for it or just rig up to clamps/hose for T&T?

I have a holley 650 mech double pumper spredbore car as well, the 6210/6211 IIRC I will be trying it as well maybe. but really lke a q-jet.