Adding a 4 barrel to a 302

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Old 09-14-2010, 08:01 PM
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Adding a 4 barrel to a 302

I have a 1980 vintage 302 V8 in a Ford F-150. I am thinking about replacing the 2 barrel with a 4 barrel. It has been a long time since I worked on an old car (15 years of fuel injection and computers that left me dropping it off at the local garage). So far my eye is on an Edelbrock 600 CFM. Anyone else have experience with this carb? Do I need another manifold? As a side note, I want to put on a vintage air cleaner for a late 60's early 70's 302 with the 4 barrel, any sources for reproductions on these or NOS?
 
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Old 09-15-2010, 02:15 PM
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if you are looking at the edelbrock 600 cfm get the intake to go with that the adapter plate won't do any good i tried that already. also if you have a good cam the 600 will do fine...
 
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Old 09-15-2010, 02:19 PM
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If you want to run a four barrel carb, you need a four barrel intake. Used stock cast iron ones can be had cheap from folks upgrading to aftermarket aluminum ones. Which are really the best way to go.
I used to think of Carter carbs as "Dodge" and never messed with them for years. After Edelbrock bought the company I ended up with one and tried it on my wife's car. I liked it so much I bought another one for my F100. They run pretty good as is and can be tweaked a bit too. After that you just leave them alone, maybe spray the gunk off once a year or so. My wife's has been going strong with no problems for like six years now. I've never had a Holley be anything like that trouble free.
I recommend a 500 cfm though. The old Ford 4100 carb that flowed 480 cfm was universally held to be about a perfect match for a stock to mild 302 for years. 500 cfm is about on the money too.
Air cleaner I can't help with . "LMC truck" has a lot of OEM Ford stuff, you might check their website out.
 

Last edited by GypsyR; 09-15-2010 at 02:21 PM. Reason: big typos
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Old 09-15-2010, 03:39 PM
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When you fiddle with this set up, watch out for your evap system connections. Hooking them back up to work as per the OEM set up is best. Having to reroute and remake the vent is a PITA. Leaving them dangling is an invitation to a fire.
 
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Old 09-24-2010, 05:32 PM
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i have a 600cfm edelbrock 1405 and have had it for about 12 years without any problems and had it with a performer intake which made a huge bump in power you could feel from the driver seat, BUT i also put them on a worn 100k+ motor and it blew up after about 6 months. dropped a valve when showing my brother how fast it would go from 60-80. hahahah it made it to around 75 and BOOOOOOM. so point being if a high mile motor be carfull not to kill it.
 
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Old 09-24-2010, 11:23 PM
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i just put a performer rpm intake and a holley carb...not a double pumper but a single feed vacuum secondary...and it's a beast....it sounds better even....before it sounded like i had mufflers on it...now i can hear the cherry bombs...
 
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Old 09-25-2010, 11:58 AM
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Not an authority, wonder if the 302 requires upgrading the camming with the 2bbl to 4bbl swap.
 
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Old 09-25-2010, 12:10 PM
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no cam swap needed unless you put a way big cfm 4 barrel on it.
 
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Old 09-25-2010, 12:59 PM
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i put my 4 barrel on a worn out 302 that's what meant in my other post. if your enging is good then ypou would see some great power out of this carb & intake swap.
 
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Old 09-25-2010, 03:33 PM
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my engine is worn and i noticed a huge increase in throttle response and top end....it got a different idle too. and it need the carb tuned...but it's been worth every penny..and it looks bad@$$
 
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