3.3 carburetor options ?

[boxtop and fries]

Wondering if anyone has used a carb off a 250 1977 vintage on a 80 fairmont or something along those lines, aircleaner clearance with my hood is my main concern. It would be helpful if there was some interchange info moving a fuel line or vacuum is no big deal just need a few vacuum ports and clearance for the hood

[webestang]

I know that the 4-cyl 2.3 can be changed, I've bought a older 2-bbl carb and intake to replace my 1bbl. Not sure about the 3.3.

You should check this place out......great info and parts.

http://classicinlines.com/Home.asp

[BRWSaver]

There is no need to swap to the 250 carb, the 78-83 200 already uses a carb with as big a throat as what came on the 250. The Holley 1946 (I think?) that came on the Fox body cars with the 3.3l/200 is a perfectly good carb. Its basically 1/4 of a Holley 4bbl, and can be tuned about as much as you want. You aren't going to see any big performance improvement no matter what 1bbl you use, as long as whatever is tuned right.

[boxtop and fries]

Okay so the 1977 granada 250 motor uses a carb 50.00 cheaper then the 1980 fairmont 200. I'm not building a concours 80 zephyr wagon just a fair weather daily driver. I like to keep cost down and if it's just a matter of moving a fuel line and theres no hood clearance issues I can save myself and potentially all 6 cyl owners a few bucks

[BRWSaver]

Ah, well I hardly ever buy new/remanufactured parts when I can rebuild them myself. What is wrong with the carb you currently have?

[boxtop and fries]

Throttle bushing

[boxtop and fries]

I can rebuild a carb, just can't do the throttle bushing

[Monty78]

The stock carb is usually a Holley 1946.
I tried a carter YF but had some throttle cable issues so that didn't work out for me.
Another possibility is a Carter RBS.

[jessew]

They came with a Holly 1946. As for swapping, I don't know what other carbs will fit. I do know you can't change the intake, Ford cast that into the head mold.

[xctasy]

1.Look at Classic Inlines for a remote air cleaner





2.Buy the Falcon Six handbook. Its gives you all the options. $17.50
http://www.falcon6handbook.com/

Unless you have emissions specs to reach and a visual inspection to pass, I'd go for one of these


, and bolt on a 2-bbl Holley 350 cfm carb.



The Falcon Six handbook gives a full breakdown of factory and non carb options. Ford changed carbs almost every year on these cars to get them through the various state emissions tests and get the economy performance balance right, so its hard to be general.

Space to the hood is the issue, 200's are easy to fit anything on that has the right stud spacing and rear facing accelerator ball stud, but if it has a kickdown rod, its can only take later model Maverick, Early Bronco or Granada, Versialies/Monarch or Fox 3.3 fittings. The F100/F150 carb is also a bolt on, but the kickdown linkage is specific to the leaf sring rear axle compact sedans with Falcon style front suspension and Fox body


The Carter Y series F100/F150 carb from a later 4.9 truck works on 200's with the later stud spacing log head. Earlier log heads have small stud to stud spacings .

The stock 1-bbl carb choices are not complicated, but they are really extensive. Ford did lots of little rollong changes, going from 1.3 to 1.625" intake holes from 1969 to 1970 on some cars, then rollijg out the two bolt kickdown linkage in 1969 on wards heads, then increased the stud spacing after 1975.

The intake valves and valve seat materials changes from 1972 to 1976, and the later log heads fit only the bigger carbs unless you slot the and increase the hole size. The intake log sizes changed three times from 1960 to 1983, with emissions hook up variances each model year after 1965.


Holley 1904 and 1908 and 1909 (in many different sizes of base stud and venturi, with SCA and Non SCA ports). Classic inlines make them, and they are a good option
http://classicinlines.com/proddetail...00-URC&cat=169




Autolite 1100, 1101,(Pony Carbs used to make them as Vapourizers, but they are early carbs for early engines)





Motorcraft branded Holley 1940 in two sizes (an Autolite 1100 and 1101 replacement, early carbs for early engines generally),




The good ones are
Motorcraft branded Carter Y-series full size Econoline F100/F150 in one size, used in 2.0 and 2.3 Rangers and 2.3 ohv Mercury Tracers too




Motorcraft branded Holley 1946


and a brace of Motorcraft branded Carter RBS carbs found in post 1970 Mavericks, 1973 Mustangs, Early Broncos, Granadas, Versialies/Monarch or Fords with the 4.1/250's. Some of these should fit without a problem.



The feedback Holley 1949 and 6149 and 6153 carbs for first year 1984 Tempo/Topaz and 84-87 Canuck Fords is are good ones too. Same stud pattern
From http://www.ebay.com/itm/Holley-1bbl-...-/221011135367

http://www.fuelpumpsusa.com/AUTOPART...902-1223_3.jpg

[xctasy]

Holleys 1904,1908,1909 before the Autolite replacement Holley 1940, and well before the 1978 to 1983 200 3.3 Holley 1946

1952 = 1904 215/223/262 and 1960=144. 130/150/170cfm for the 1904,
1960 late 1908 144 and 170, 135/150cfm for the 1908,
Early Holley 1909 series was rated at 170 CFM and 125/150cfm for the small 1909.
1962 1909 was 170

Autolite 1100 Sizes and Applications

1100 and 1101 Autolite 1-bbl 1.00-, 1.10-, and 1.20-inches. Mustangs had either 1.10- or 1.20-inch depending on model year and configuration. Basic bore size was 17/16-inches.


1.00 Venturi(120 CFM): 144 ThriftPower Six, 1.4375 Throttle, 84 to 90 hp
1.10 Venturi(150 CFM): 170 ThriftPower Six, 1.4375 Throttle,105 or 101 hp, then derated 68-69 200's
1.20 Venturi(185 CFM): 200, 250 Six, 1.4375 Throttle
The 1101 TB measures 1 11/16". Venturi measure 1.29" It is rated at 210 cfm. 1.6875" throttle 1969 only 250

The Carter YF first saw use on California emissions 170 and 200ci sixes in 1967. In '68-'69, only 170 and 240ci sixes got the Carter YF, which means you will never see one on a Mustang .


YFs came in 150, 187, 193,195 and 200-cfm sizes.
YFs came in 150 cfm 170 CID 1970 Maverick
YFs came in 187cfm in 1970 200 cid Mavericks
YFs came in 193, or 200 cfm, 195 cfm in 1975 -1979 L-code 250'S
1970-1973 250 Carter RBS L-code Only one size-215 cfm-was produced


Last ones are the ones to target at car yards

[80 Capri]

As someone who has done over 200,000 daily driven miles with a 200, I've ran the RBS, 1946, YF, and even a Rochester BC off a Chevy. I prefer the YF for daily driving, and the Rochester BC was also a very good carb for day to day driveablility. Both, extremely easy to rebuild. The RBS was probably the best for all out performance, best seat of the pants feel for sure, but never could get decent fuel economy with it. The 1946 always ran rich and unstable an I was never pleased with it, may have been a problem with the one I had specifically though. I ran the same (72 Maverick) air cleaner with all of them.

[xctasy]

As someone who has done over 200,000 daily driven miles with a 200, I've ran the RBS, 1946, YF, and even a Rochester BC off a Chevy. I prefer the YF for daily driving, and the Rochester BC was also a very good carb for day to day driveablility. Both, extremely easy to rebuild. The RBS was probably the best for all out performance, best seat of the pants feel for sure, but never could get decent fuel economy with it. The 1946 always ran rich and unstable an I was never pleased with it, may have been a problem with the one I had specifically though. I ran the same (72 Maverick) air cleaner with all of them.

The best is the early Rochester non Monojet B, BC,BV series carb found on 50's and 60's versions of the Stovebolt Chevy and GMC small sixes.BUICK (6 cyl) 1963-65,CHECKER MOTORS (6 cyl) 1964-66,CHEVROLET (4,6 cyl ) 1932-67,CHEV./GMC TRUCK (6 cyl) 1932-68,JEEP (6 cyl) 1966,OLDSMOBILE (6 cyl) 1964-67,PONTIAC (4,6 cyl) 1955-68,STUDEBAKER (6 cyl) 1965-66,MARINE: MERCURY (6 cyl),OMC (4,6), REVLEY (6), UNIVERSAL (6 cyl)


All parts are still serviced, see https://buy.walkerproducts.com/carbu...omponents.html

Overseas, they find it In venturi sizes of 30.9mm, 33mm and 38.5mm. 1.215", 1.3", and 1.515. The actual sizes are five types, 1.0625, 1.21875,1.34375,1.46875,1.5625, or 26.99, 30.96, 34.13, 37.31 and 39.69mm. It's normally a straight bolt on to a Ford small six, as long as the studs can be made to mount up, and it flows very well, with estimates and actual flow figures between 158 cfm to up to 273 cfm at 3.0"Hg. Even the 30.9 mm item has been measured at 167 cfm rated at 1.5"Hg, but 236 cfm rated as a 1-bbl carb at 3"Hg verses a 137 and 191 cfm estimate. At that, it out flows any Ford 1-bbl carb ever made. It's stone age and anvil simple.
Best is the next up from the little or medium size ones on small engines, but generally on sixes, bigger really is better.

There are notes here on it.

http://fordsix.com/forum/viewtopic.p...y+carb#p517122

and here, too

http://inliners.org/ubbthreads/ubbth...59d2d93d000c08

With a couple recent posts referencing this I will list what I *think* I know about the "B" carbs though I am still learning.
I have written an approximate CFM estimator so I have guessed the CFM's at 1.5" Hg (the 4v standard). Comments, corrections, additions more than welcome I am trying to slowly get the history right.

*Guessed CFM at 1.5" Hg
*Guessed CFM at 3.0" Hg
*Venturi
*Throttle
*Jetting

Smallest - application is "optional" 235 truck and 230 car, I am guessing either economy special or taxi?
113cfm at 1.5"
158cfm at 3"
1-1/16 vent
1-1/2 throt
Jet #42 to #44

Next - listed as the "216" carb in recent post
137cfm
191cfm
1-7/32 vent
1-1/2 throt
Jet #51 to #52

Next - carb on most of my 194, 230, 250 Chevy II's, same size used on the 235 per panic below and also per tocmp 32-62chevy
153cfm at 1.5"
214cfm at 3"
1-11/32 vent
1-9/16 throt
Jet #57 to #58

Next - I thought there was a 1-13/32 venturi in the May 55 Hot Rod article but actually I think it is the one cited below at 1-15/32:

Next - cited on this forum as the 54-63 261 carb, also I think this is the one in the May 55 Hot Rod buildup
182cfm
254cfm
1-15/32 vent
1-11/16 throt
Jet #64 to #65

Next - the carb I find on early 292's, I think it was also used on the "HiPerf" 230/155hp in 64.
196cfm
273cfm
1-9/16 vent
1-3/4 throt
Jet #70 to #72

Some of the jetting info came from:
http://www.newagemetal.com/pages/Che...32-62Chevy.pdf
It is consistent with the jets I've found in the B, BC, BV carbs.

As I said all the cfm's are my guesses/calculations, the calculator thing is typically accurate within 6% on carbs from the Rochester "B" to the Holley Dominator. Best I can do, if anyone has some cited CFM's for these or knows more about the applications that would be welcome too.

The much maligned Holley/Autolite/Motorcraft 1940 carb has two venturi sizes in 26 generic listings, with the 144/170/200 carb different to the 240/300 Big Six and the 250 small six and probably the 223 as well. Its still around in box loads of NOS, and some proper hard number work can give you ONE OF THE 15 part numbers which yield that nice big 1.352" venturi, wide base replacement if you quiz and check the sellers listings. Users of it find it does a fine job on 250 cubic inch engines, and should work a treat on the little sixes if they have the right 170 closed chamber high compression head or the big valve flat top logs.

It looks like there are a few different versions of the Holley 1940. Ron ( rjseibenick ) at Ford Six is a Tempo racer, and he's measured his 1940 as being a 1.352" venturi carb, although I'm sure that is not the stock venturi diameter for the #R 4529 144/170/200 replacements

If some versions have a larger venturi than the 1946, and the flow rate is 202 cfm as a 1945, and, according to Ron at Ford Six, a 212 cfm rating as a 1940 with a 1.352" venturi.

See link http://fordsix.com/forum/viewtopic.p...449841#p450090
And the Holley carburetors and manifolds book.

ISBN 0-89586-433-9

http://ecx.images-amazon.com/images/...5L.Image._.jpg

Be aware that there are 26 historic Part Number listings of the Holley 1940.Some are generic, non Ford Std parts, others are full Autolite/Motorcraft listings with a Ford basic part number (BPN) with a letter suffix, and with that tag, you can find with 100% certainty that are carb is a big or little item.

I'll bet the 212 CFM ratings with the 1.352" venturi on 250, 240, 300 and older I block 223 and 262's won't be the same as the generic 144/170/200 item.

It is a big 223/262/240/250 or 300 carb if its PN coded:
R 4454-AAS
R 4468 AAS
R 4509 AAS
R 4520 AAS, additional BPN plate suffix A
R 4522 AAS, additional BPN plate suffix C
R 4523 AAS, additional BPN plate suffix D
R 4524 AAS, additional BPN plate suffix E
R 4525 AAS, additional BPN plate suffix F
R 4526 AAS, additional BPN plate suffix G
R 4527 AAS, additional BPN plate suffix H
R 4528 AAS, additional BPN plate suffix J
R 4536 AAS, additional BPN plate suffix Y (an early 223 replacement)
R 4537 AAS, additional BPN plate suffix Z (an early 262 replacement)
R 4692 AAA
R 4696 AAA

It's the little 144/170/200 stand in item if its PN coded as one of the following:-

R 4529 AAS, additional BPN plate suffix K
R 4530 AAS, additional BPN plate suffix L
R 4531 AAS, additional BPN plate suffix M
R 4532 AAS, additional BPN plate suffix N
R 4533 AAS, additional BPN plate suffix R
R 4535 AAS, additional BPN plate suffix T
R 4693 AAA
R 4694 AAA
R 4695 AAA
R 4697 AAA
R 4701 AAA


The listings for doubting Tom Co's, um Thomas'

3 listings http://www.tocmp.com/manuals/Carbs/H...t/index30.html
16 listings http://www.tocmp.com/manuals/Carbs/H...t/index31.html
7 lisings http://www.tocmp.com/manuals/Carbs/H...t/index32.html

[80 Capri]

At that, it out flows any Ford 1-bbl carb ever made. It's stone age and anvil simple.
Best is the next up from the little or medium size ones on small engines, but generally on sixes, bigger really is better.

There are notes here on it.

http://fordsix.com/forum/viewtopic.p...y+carb#p517122

Ha, that's actually my post over on fordsix, this is one of the few boards I don't go by my real name (jamie miles). I put a kit in the YF and jetted it down since I made that post, been pretty happy with it since.

[boxtop and fries]

Thanks guys for all the useful info. I went through 4 core carbs and had enough to rebuild one myself, the carb works great, my bench tune was almost bang on. What a difference !