2bbl to 4bbl
Posting Guru
Joined: Jul 2006
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From: America
http://store.summitracing.com/partde...5&autoview=sku
Pretty cheap and will do what you need it to...id put on a 600 holley on it, nothing too large.
Pretty cheap and will do what you need it to...id put on a 600 holley on it, nothing too large.
Posting Guru
Joined: Nov 2005
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From: Madison, SD
Don't get carried away on your intake choice. Stick with a dual plane intake, the single plane intakes don't work in low rpm, they tend to kill the torque. My personal choice for the 302 is an Edelbrock Performer with matching Edelbrock 600 electric choke carb.... Matter of fact go all out and get the entire Edelbrock package, cam, lifters, intake, and carb. Good gain in horsepower and torque.....
Cargo Master
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From: Too close to Houston
Welcome to FTE! The best information sharing site on the 'net for Ford trucks.
What transmission do you have? If it's the AOD you have to make sure the new carburetor will adapt to the TV lever on the transmission.
I'm not sure there's much to be gained going to 4-bbl on the 302 anyway. A good 2-bbl (Motorcraft 2150) will flow everything a stock 302 can handle.
What transmission do you have? If it's the AOD you have to make sure the new carburetor will adapt to the TV lever on the transmission.
I'm not sure there's much to be gained going to 4-bbl on the 302 anyway. A good 2-bbl (Motorcraft 2150) will flow everything a stock 302 can handle.
Last edited by Sport45; Nov 15, 2006 at 03:24 PM.
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Hotshot
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From: south louisiana
If you're going to keep the engine's internals stock, the Performer is OK, just a copy of the factory 4 bbl intakes (which you could also use, they're cheaper) You want a smaller carb to keep the intake velocity up, this improves throttle reponse. If you plan on future upgrades, then go with a high rise dual plane intake such as the Performer RPM, Ford's own A321 or a Weiand Stealth. These will all work well on the bottom end but give you a boost on top too, even with a stock motor.
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Yea, I was gonna say unless you're going to do something about the 1978 bottom of the abyss cam and compression, a bigger 2 bbl will run your motor to 5500. I used a 500 Holley on a 289. Too rich on the accelerator pump, but that can be fixed. Instead of fixing it, I switched to a Motorcraft 2bb off the neighbor's 390.
Go here for 2bbl info:
https://www.ford-trucks.com/forums/1...?highlight=cfm
Go here for 2bbl info:
https://www.ford-trucks.com/forums/1...?highlight=cfm
Hotshot
Joined: May 2003
Posts: 11,141
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From: south louisiana
The Holley 500's 50cc pump can be easily swapped to a 30 cc unit. You might get a lean stumble though with it, I've used the 500 on 4 different Ford V8's and it worked fine on all. The first was a stock 302 in a 69 Econoline van, next as a center carb on a 390 sixpack, then as a replacement for my 68 Merc's original carb on it's 390, then on a stock 400M with a Summit P/N SUM-5200 cam and longtube headers.
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