Unusual carburation on Flathead V8’s

Henry Floored

Henry Floored

Well-known member
Unusual carburation on Flathead V8’s

Hey gang it might be fun to talk about and share pictures of unusual carburetor choices on Flathead Ford engines. I’m really talking about anything other than the normal 3 bolt 94 Holley/Fords and Stromberg 97’s.

I’ve looked on several occasions at some Italian “Vee” engine’s with their Weber and Del’Orto carbs and thought hmmmm???

Carbs like those ^^^ are often designed for 60 degree V6’s and V12’s which have narrow intake manifolding like our Fords.

So I’m curious if any of you have strayed from the beaten path. I’ll bet there’s a few that have used a Rochester 2GC, another good one.

What about Autolite 2100’s and 4100’s that came on small Ford V8’s in the 60’s.

Let it rip fellas if you have anything to say about this. Very interested to hear what you’ve done or plan to do in the future.

Thanks!
 
Re: Unusual carburation on Flathead V8’s

I've seen one barrel Marvels with a Stromberg/Holley type base. Someone told me they were replacements. Same CFM, just one large single throat vs. two if I recall correctly.

I also think there were some 3 bolt Strombergs that had "L" backdraft horn that were used on Studebaker's of some sort. I could be wrong on this.
 
Re: Unusual carburation on Flathead V8’s

This is probably not what you wanted to see, but here are some pictures of my attempt to put a Quadrajet on a flathead. I figure if the would run on a 3.8 liter Buick, they could be made to work on a 3.9 liter flathead. I only had a couple of junk Quadrajets, and I couldn't get it to run worth a ****. I have a bunch of other stuff going on, so I abandoned the project.

I do plan to get back on it some day.:rolleyes:
 

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Re: Unusual carburation on Flathead V8’s

Probably should have used an adapter that had 4 holes in it, not the open one.
 
Re: Unusual carburation on Flathead V8’s

You're probably right. I had a bunch of parts laying around and I thought I'd try it. I had zero dollars in the attempt.
 
Re: Unusual carburation on Flathead V8’s

Mike Davidson from Austrialia use to offer a dual or single quad set up. The base used tops from Offy OHV V8 manifolds.
 
Re: Unusual carburation on Flathead V8’s

I saw this one at a car show a few years ago. Looks like a quadrajet on it. I never heard it run but pretty sure he drove it to the show.
 

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Re: Unusual carburation on Flathead V8’s

I can't see it very clearly, but I think that's a 4G.
 
Re: Unusual carburation on Flathead V8’s

tubman said:
This is probably not what you wanted to see, but here are some pictures of my attempt to put a Quadrajet on a flathead. I figure if the would run on a 3.8 liter Buick, they could be made to work on a 3.9 liter flathead. I only had a couple of junk Quadrajets, and I couldn't get it to run worth a ****. I have a bunch of other stuff going on, so I abandoned the project.

I do plan to get back on it some day.:rolleyes:
Click to expand...

Au contraire Tubman that is a very interesting project. I hope you get a chance to try it again.
 
Re: Unusual carburation on Flathead V8’s

51504bat said:
JMO but a quadrajet on a flathead is just plain wrong.
Click to expand...

Can't be wrong if it runs right! A Q-jet from a 3.8 Buick etc. should be jetted right ,or at least close, and the small primary throttle bores are ideal. Those huge secondaries have an adjustable air valve above the throttle plates so no danger of over-carburetion. Just find or make a good flowing adapter and you're good to go with a little tuning (which you should do with any carb).
 
Re: Unusual carburation on Flathead V8’s

Happy to be running a 4bbl. on my flathead, but even though it's a 4bbl. it is operated as 2bbl. carb. 99.9999% of the time, just as I suspect all the rest of the 4bbl. equipped flatheads are.
 
Re: Unusual carburation on Flathead V8’s

These are probably prohibitively expensive but dang they look like a perfect match to a Flathead Ford’s narrow intake manifold.

2-AD1-AA70-0-CFC-47-C3-AE9-F-6-F9868-DB95-DD.jpg

CFE66927-6-AD4-48-C6-B798-A677-F2-B19-C51.jpg
 
Re: Unusual carburation on Flathead V8’s

My fantasies are more toward exotic, than performance. I've been thinking about running four updrafts.
 
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