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WTB - 600 to 650 CFM carburetor
#1
Holley, Edelbrock, Motorcraft... Make me an offer !
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#2
Hey Sly, check E-bay (if you can). You can usually score a good used carb then buy a rebuild kit. Or check your garage. I posted a link to Summit Racing's carbs.

Steve



[Image: 25yvyp3.jpg]
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#3
Hey Steve, thanks for the input, Summit carbs look good Smile

I have an issue, let me explain :

My Cleveland currently runs with 2V intake manifold/carb instead of the original 4V (Q code).
I just bought a FORD 4V intake manifold to install a new four barrel carburetor, just received it this morning, here it is :
http://www.7173mustangs.com/gallery/798_...22_07.jpeg

From what I could gather from the internet my engine will run fine using a 600 CFM carb. When I go to the Holley/Edelbrock websites and try to choose my future carb there are so many references... Looking at the pics I can't figure out if one particular carburetor will fit the FORD intake manifold (even with an adaptator). The problem is the width of primaries and secondaries in the carbs ; I think they won't fit my intake manifold. What do you think ? Do I have to dig a big square hole in my 4V intake manifold so any carb can match ?
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#4
Call Summit Racing. They're pretty good figuring out applications. I've heard that with Holley's and Edelbrocks you need an adapter because the intakes are square bore and the carbs are spread bore. I'm not sure about the Summit carbs though. Just tell them what engine and intake you have, and they'll point you in the right direction.

Steve



[Image: 25yvyp3.jpg]
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#5
Look at transdapt part number 2044. TDperformance.com It may be what you are looking for. Whatever carb you buy must have Ford kick down linkage if you have an automatic transmission and you want the kick down function to work. The kick down rod may need to be modified to work with the new carburetor. If you use the kick down rod it must be properly adjusted or you can seriously damage the automatic transmission. You effort would be a lot less if you could find a 4V intake from a 70-71 M code 351C, no adapter required. An after market aluminum intake is also an option. Good Luck, Chuck
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#6
Thanks Chuck for your reply, I'm going to check this out, didn't think about this...

I just found the answer to my question ! What I need a 650 CFM spread bore carb from Holley. It has tinier primaries and it should match my intake manifold.
Holley 650 spread bore : http://i178.photobucket.com/albums/w263/...0333_1.jpg
My intake manifold :
http://www.7173mustangs.com/gallery/798_...22_07.jpeg

Maybe I will need an adaptator though, it seems that it's impossible to compare the Holley width and length with those of my intake manifold. The Edelbrock one looks good to me : http://www.summitracing.com/parts/EDL-2696
Any ideas ?
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#7
I would email or call Trans Dapt or edelbrock or holley before purchasing anything. What makes this tough is the stud spacing on your intake is the same as a Holley or Edelbrock but the bore spacing of the intake is neither holley square bore nor Rochester quadrajet spread bore. It is unique to Autolite/Motorcraft spread bore carburetors. The spacing of the primary bores is very different between the two carbs and most people refer to both as being a "spread bore". Chuck
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#8
Being in France do you have limitations on what can be done? I know some of the countries in Europe have rules about only using stock application equipment.

'Mike'
73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
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#9
Thanks for the inputs guys, I'm going to contact Holley and Edelbrock.

In France most people dunno anything about american cars technicals, so you can do whatever you want, I don't think I'll get any problems with this except when it comes to the engine "noise" (let's say "sound" Big Grin)
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#10
Ok good. My Swiss friends tell me that they are very limited on what they can do to a car.

First, confirm which heads are on the motor. While it is possible to swap a 2bll manifold onto the 4v heads I would have expected that someone looking to put a 2bll would have just bought a cheap adapter rather than swap out the intake. Getting a good seal is always a problem too.

Are you pretty familiar with the differences between the 2v and 4v Cleveland motors?

'Mike'
73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
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