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Old 01-10-2011, 09:07 AM
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Carb & cooling help

Just a couple questions for the masses. I'll be placing a sb 327 in my 31' Ford. I would like to go the tri-two barrel carb route but I'm finding modern 350cfm centers w/ 325cfm outters. Thats a 1000cfm which I'm pretty sure is too much for a 327. How are you guys doing this, or am I worrying about a non-issue? Next, are there any real advantages to going w/ a mechanical or electric fan set-up in my 31'? Yeah looks are very important but I'm building a driver and sufficient cooling in all traffic conditions is very important to me. Thanks for any input. This is my first hot rod and I'm muddling my way through best I can with help from the experienced.

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Old 01-10-2011, 09:33 AM
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yes, that is alot of carb when you total it all up.
thats kind of a small motor for that much carb. , but it can be made to work ok with proper adj.
the higher performance the rest of the motor is the better it will work
as long as you are more interested in looks and style, then performance,they can be made to work just fine.
a single carb would run better and make more power for your application

and i'm not going to touch the the fan question, but im sure if you search it you will find plenty of reading
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Old 01-10-2011, 09:56 AM
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Quote:
Originally Posted by Sapper
Just a couple questions for the masses. I'll be placing a sb 327 in my 31' Ford. I would like to go the tri-two barrel carb route but I'm finding modern 350cfm centers w/ 325cfm outters. Thats a 1000cfm which I'm pretty sure is too much for a 327. How are you guys doing this, or am I worrying about a non-issue? Next, are there any real advantages to going w/ a mechanical or electric fan set-up in my 31'? Yeah looks are very important but I'm building a driver and sufficient cooling in all traffic conditions is very important to me. Thanks for any input. This is my first hot rod and I'm muddling my way through best I can with help from the experienced.
Yes it's a lot of carb for the engine, but if you use progressive linkage that lets you cruise on the center 2 bbl that doesn't pull in the outside 2 bbls until needed this will be just fine.

Bogie
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Old 01-10-2011, 10:35 AM
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Thank you guys for the info. Yes, my understanding is you run off the center carb until you feel froggy and mash the peddle. I suppose the compromise to gain that cool three carb look is to feather the throttle so as not to choke the carb with fuel. I have a fine four barrel carb/manifold set-up on hand. Would I be better off performance wise to just stay with it?
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Old 01-10-2011, 10:39 AM
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Originally Posted by Sapper
Thank you guys for the info. Yes, my understanding is you run off the center carb until you feel froggy and mash the peddle. I suppose the compromise to gain that cool three carb look is to feather the throttle so as not to choke the carb with fuel. I have a fine four barrel carb/manifold set-up on hand. Would I be better off performance wise to just stay with it?
You could stay with the 4bbl; but 3-2s are just so cool looking on an old rod.

Bogie
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