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∙ 16y ago
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Is double pumper same as a 4 barrel carb?
a double pumper is a 4 barrel carb. commonly made by holley. they were called this because they have two accelerator pumps. one on each float bowl on either end of the carb. most carbs do not have this feature, they usually only have one accelerator pump.
Why use a Holley double pumper versus a regular carburetor?
The holley has more cfm`s cubic feet per minute than a regular carb.and it also puts double the fuel into the intake faster than a regular carb.
Again what are the best jet sizes for a Holley 700 Double Pumper on a SB 350 with high rise intake manifold mild cam and headers?
Usually the best jet sizes for a Holley carb are the ones that came in it from the factory. Sometimes you can improve performance slightly by stepping up or down one or two jet sizes.
Need to replace carb on 82 el camino what would be a good performance choice dont know if it 2 or 4 barrel. It has a 305 engine.?
I would get an Edelbrock performer 4bbl. intake manifold with a Edelbrock 600 CFM. carb, summit racing has everything you need. --------------------------------------------------------------------------------------------------- Holley 650 double pumper for the win!
What does double pumper on a carb mean?
It means the carburetor has 2 accelerator pumps instead of one, as is normal.
What size carb for 350 hp crate motor?
well a 750 vacuum secondary will work good tuned in but really get the power out a 650 double-pumper these are holley carbs. and a msd ignition system oh yeah, play w/timing to get every thing out of the engine.
Holly 4180 carb vacuum detail?
The 4180 Holley carb vacuum helps with transmission performance on heavy vehicles. This Holley 4180 carb is a secondary function attached to a transmission.
How do you adjust the carburetor on a 350 with a 4-barrel Holley?
There is no simple answer to this question, as the Holley is a universal carb and can be tuned to suit most any application. There are how-to books on this subject, and highly recommended for someone trying to tune one. Also, the Holley tech service library can be very helpful. http://www.holley.com/TechService/Library.asp
Is there a replacement carb for an autolite 1100 carb?
Yes, it's the Holley 1940. You can get them from Champion Carburetor.
What the difference with a 750 four barrel holley carb to a 600 holley carb?
The difference is the 750 has larger venturis & throttle plates and flows 150 more CFM at wide open throttle than a 600. Depending on what models of Holley's you are comparing there could be other differences as well (float bowls, linkage, vacuum secondary vs double pumper, STD flange vs spread bore, etc.). Your question is very generic so it's hard to give an exact answer aside from the obvious size differences. If you had given the list numbers from both carburetors (located on the choke horn) I/We could give a more detailed answer of the specific differences between the two.
How to adjust a 650 Holley double pumper float?
On the right side of the carb their are two screws one on the front bowl and one on the back bowl. Start the engine let idle take one screw out at a time and on the top of carb their is a flat head screw losen the flat a lettle and turn the nut one way or the other till you see fuel just that it rolls out of the bottom of the hole on the side of the carb and then it is set. You don't want it pouring out of the side that would be to much. Then do the other bowl the same way. Also set the air mixter on the side by the fuel holes on the side turn all the way in then turn 1 and a quarter turns out on each one.
How do you rebuild a holley carb?
Purchase a rebuild kit and follow the directions.
