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Thank you, OH71Runner & 66Satellite, I've already checked the gasket and the blades are NOT catching on it. It turns freely until I get to a certain amount of torque on the bolts, then it starts binding, gets worse the more I torque the bolts. Seems that tightening the bolts is causing the...

I removed all three carburetors from my 70 Plymouth Six-Pack for refurbishing. All went well, I put the front and center carburetors back on, no problems at all. I can't get the back carburetor to work, it starts binding as soon as I tighten the bolts down. Both the manifold and carburetor...

Thank you for all your help, looks like I'm going to be doing some trial and error work.

What is the correct accelerator pump diaphragm to use on a 440 six pack? My '70 Plymouth GTX with the 440 six pack runs well, but i get a slight hesitation when hitting the gas pedal while running at speed. If I'm in 4th gear (or any gear) running along at any speed and I hit the gas I get a...

Thank you for all the info, I'll see of I can find that Hot Rod magazine on the news rack. (I don't subscribe to that magazine.)

Has anyone had any experience with this company? They have a three two barrel setup that they say should bolt on to my six-pack manifold and provide 'out of the box' performance.

I'm looking down the carburetor throat, I see the four small holes, right side of photo, front end of carburetor, which of these four are the idle air bleed holes? Please see the attached photos.

Thank you very much, Grady.

How do I tell a back carburetor from a front one? Let's suppose I'm at a swap meet and a vendor has an end carburetor for sale... How do I tell of it's a front or back? Is there an easy to identify a front one vs a back one?

Good, thank you, BioMedTechGuy, that explains what covering the holes does.

Thank you all for your help. What exactly does plugging/covering the idle air bleed holes do? Does it cut off the fuel flow from that carburetor?

Thank you, MAP, I'll do this as soon as I get an intake manifold problem fixed.

Thank you, 62Max, will do as soon as I get an intake manifold problem fixed.

Thank you very much; 1) Where are the air idle bleed holes? 2) For example, if I cover the air idle bleed hole on the front carburetor and it's rich, do I adjust the front carburetor only? Should I then repeat this procedure on the back carburetor?

Thank you, does anyone here have that manual and can you please post a photo of the relevant page(s)?

Agreed, no washers on the carburetor bolts, but perhaps on the intake manifold bolts?

HMMMM. Let me check the parts book, see what it says. I have a fellow club member whose fairly original '70 Dodge Super Bee has washers, he says it's factory. Of course, 48 years have gone by, car has had a number of owners....

Thank you, BioMedTechGuy. Makes me wonder why the factory or Holley didn't do this from the start.

Well, some of the repro manifold bolts I see are listed with the washers, R/T specialties is one, http://www.rtspecialties.net/proddetail.asp?prod=1000274 (This is for a 440 six pack.)

Agreed, do not really need the heat passage for warm up, but the choke stays on longer and it stays up on the fast idle longer than it should. Makes the car run kinda rich.