factory 4bbl 360?
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Senior User
Joined: Dec 2002
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From: LAS VEGAS USA
factory 4bbl 360?
i just picked up a 72 F-250 4x4 360 np435 dana transfer case dana 60 limited slip rear dana 44 limited slip front. For $390 ya cant go wrong! upon inspection i see it has a fordmocomp stamped 4bll intake with a 4bbl Holley. Did any of these motors come with 4bbl carbs? i want to replace the holley with a edlebrock or carter afb, what CFM would work best?
Fleet Owner
Joined: Jan 2004
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From: Brentwood,CA
i think the other way on that. the edel is harder to tune and uses these 40.00 metering rods that you must buy. so each set of those is 40.00. the holley is a very very simple design. the t case could be a np 205
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Senior User
Joined: Dec 2002
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From: LAS VEGAS USA
i know its not a np205. it has 2hi 4hi and 4low. it has a dana tag on it but i cant find an other numbers on the tcase. The holley carb on the truck looks pretty bad, ive never rebuilt one. ive had several holley two bbls and they were always a pain to deal with.
Elder User
Joined: Apr 2004
Posts: 545
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From: Shreveport, La.
This is JMO, not trying to start a carb debate, but I've been there and done that in this case, several times with various '73 360's.
My first choice would be a Carter, second Holley.
Suggest something larger than a 600 or 650 cfm though, like 750 at least.
I found the 600 just wasn't quite enough.
My first choice would be a Carter, second Holley.
Suggest something larger than a 600 or 650 cfm though, like 750 at least.
I found the 600 just wasn't quite enough.
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Senior User
Joined: Dec 2002
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From: LAS VEGAS USA
wouldnt a 750 be too much for a 360? would the factory steel intake have enough flow or should i look for an aftermarket intake? like a 390 performer?
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Elder User
Joined: Apr 2004
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From: Shreveport, La.
I figured you were putting an intake on, a 390 would be a good choice.
A 750 cfm with OE intake still wouldn't be too much, but it does depend on what else you do over all as to the results you want/get.
A 750 cfm with OE intake still wouldn't be too much, but it does depend on what else you do over all as to the results you want/get.
Elder User
Joined: Apr 2004
Posts: 545
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From: Shreveport, La.
Getting into areas where many details are needed to go any further on specifics you are now asking.
By "a little more pep into this engine", does that mean your trying to do as little as possible for max results or how much of a build up are you thinking about.
Duals and a 4bbl alone may/may not give you much of any kind of results, or it may be exactly what you're looking for. Much depends on maximizing your results. General condition of engine internals and what you may have in mind in spending on a possible rebuild.
If you're going to do a rebuild, be sure to match all components that will deliver the results you want, cam, crank, pistons, fuel delivery, exhaust. Even to the point of gears and tire sizing. Consider every part when choosing any part, they all need to work together.
By "a little more pep into this engine", does that mean your trying to do as little as possible for max results or how much of a build up are you thinking about.
Duals and a 4bbl alone may/may not give you much of any kind of results, or it may be exactly what you're looking for. Much depends on maximizing your results. General condition of engine internals and what you may have in mind in spending on a possible rebuild.
If you're going to do a rebuild, be sure to match all components that will deliver the results you want, cam, crank, pistons, fuel delivery, exhaust. Even to the point of gears and tire sizing. Consider every part when choosing any part, they all need to work together.