4 barrels
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Junior User
Joined: May 2007
Posts: 62
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4 barrels
i want to get a four barrel carb for my truck. right now i have a two barrel holley will swapping to a 4 kill me in mpg? and if i do get a 4 barrel what size and type should i get? my truck has a 302 with an edlebrock 289 intake.
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Please feel free to visit the Engine forum that relates to the engine you are relating to.
https://www.ford-trucks.com/forums/forum55/
This forum is for YEAR Specific differences in the 73-79 Trucks compared to Other year trucks
Your question has nothing to do with a 73-79 truck but everything to do with a V-90* engine and fuel delivery.
https://www.ford-trucks.com/forums/forum55/
This forum is for YEAR Specific differences in the 73-79 Trucks compared to Other year trucks
Your question has nothing to do with a 73-79 truck but everything to do with a V-90* engine and fuel delivery.
Senior User
Joined: Dec 2003
Posts: 439
Likes: 0
From: Sussex
A 4 barrel might help your mileage if you stay out of the secondaries. The primaries on a 4 barrel are smaller then a standard 2 barrel's barrels, thus putting less gas in to get the work done. You need to check the stats out on a carb before you buy it though.
