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The Berryman stuff is not as potent as it used to be. It’s been neutered by EPA. That’s why I bought an ultrasonic cleaner.

Yes, 600 Holley and AFB carbs on the duals and 780 Holley and AFB on the singles.

I have 4 cars of various makes - all big engines. Two have dual 4bbl carbs and two have single 4bbl carbs. I don’t keep accurate mpg records but my impression from how often I need to put gas in them and how fast the fuel gauge falls, tells me that the dual 4 bbl cars seem to get better gas...

Max performance for a 383 - modern intake and single 4bbl. Max cool at cruise night - dual quads.

Sounds a little wacky but I sprayed the outer bodies of my carbs with Boeshield T-9 and let it soak in and it seemed to freshen their appearance. I figured it might prevent staining of the carb bodies but that remains to be determined. Obviously the best way to make them look new is to have...

Because the fuel enters the bowl at the top and the needle and seat are high up in the bowl, and the bowl is vented, they create a syphon break so fuel can’t be sucked back down the line through the pump. That is unless the needle and seat are leaking and allowing fuel to fill the bowl and then...

Yes, it’s possible. The washer gaskets sits kind of loose on the power valve and if not real careful it will slip down if the block is held in normal position to screw it in. Then it doesn’t seat fully in the recess for it. The seat is actually formed on the PV - I stated incorrectly above...

Holleys can and will leak internally without much encouragement. I once tried another brand of power valve on my Holley that came with a thick, very square shoulder gasket. I was careless and didn’t get the gasket square in the gasket recess and it pinched and it leaked. Different types of...

Older Holleys with the brass bowl sight screw were supposed to be set with fuel at the bottom of the opening. But I guess some of the Holley knock off carbs with the glass bowl site require it to be in the middle. I guess you’ve checked this out for you’re particular carb?

I’ve never had a problem with Holley gaskets sealing those assemblies. Need both gaskets though. I hope you are holding the nut in position while snugging down the slotted screw and not the other way around.

That’s what I use also.

I used to use Berryman’s Chem Dip decades ago and it used to do a good job. But I bought a gallon of it recently and it’s just not the same stuff now. Not that effective. I bought an Ultrasonic cleaner recently and it does a very good job of cleaning carbs. This was after I drained the fluid...

With the filters and rubber lines they are probably flexible enough to fit a B or RB dual quad set up. You don’t have the line from the pump so you would need to find one or fabricate it. Also your rear carb will need a 90 deg inlet fitting. I think the front and rear carb connection lines are...

That area is the fuel crossover path from pass side to driver side - sealed off by the top gasket. So probably some issue that Geoff 2 mentioned.

I recently bought an ultrasonic cleaner and ran an old AVS through it. I took it off my 67 about 20 years ago and it ran fine. It came out looking clean but I wasn't amazed until I drained my machine. There was probably a solid 1/8” of seediment on the bottom from cleaning it. I wish I had...

The one nice thing about a Carter/Edelbrock vs a Holley - and I have an equal number of both, the Carter/Edelbrocks have a lot fewer places to leak from and fewer thin section parts to warp.

Man - you’re too fast on the draw. I can’t hit edit to fix my fat fingered typo/post reply that fast.

Yes - but usually the temperature gauge will also act the same way.

I ran an Edelbrock 800 AFB (model 1413) I think and thought I had it running pretty good after going through it and getting the jetting back close to stock. But the I found an original 4327S and had a full restoration done to it and put stock jetting in it. Not sure about full throttle power...

Hi George. I looked and it’s not drilled out. Also the carb number is specific to a non-AC car too which seems to be consistent with no hot idle compensator too. thanks