Best Carb and Intake for 351W - Vintage Mustang Forums

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post #1 of 10 (permalink) Old 07-08-2010, 12:23 PM Thread Starter
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Best Carb and Intake for 351W

Hey guys, I'm new to the forums and I was hoping someone can help out here in this little dilemma.

I did some research in the forums here to see if someone else had already asked/answered this question but I haven't had much luck getting a specific answer so I'll try it on my own topic.

I have a 1969 Mustang Grande with a stock 351W and my dad and I have decided to add a new 4bbl carb and intake since apparently everyone changes out the Windsors stock 2bbl carb with a 4bbl unless they were keeping it original (according to a couple mechanics we talked to). So I'm just curious what you guys would propose we do. I'm not looking to make my car into a dragster or anything but I would like to have some good horsepower (280-320 range).
I remember coming across a topic on this sight that someone talked about the Edelbrock Performer RPM intake but if there are others too please let me know.

Thanks guys
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post #2 of 10 (permalink) Old 07-08-2010, 12:47 PM
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welcome to the forums!

my experaince that worked well for me over the years is Holly 80457 and a dual plane intake (any name brand is fine.)

make aure your ignition is up graded also to handle the extra fuel

also imo save al you old parts so the car can be put back to original if you ever decide to or want to sell it one day

Holley also makes a 500 CFM 2 BBL that will work fine also and save you $$$$ and time

1970 Mach 1 San Jose built Dec 23 1969. Marti says 1 of 7. Purchased in 1987. Original family owner of the powertrain 351C 2v FMX.

1993 GT 11,000 miles, Built 2-12-93 Auto, 3:27 Axle, cloth, sunroof. Untouched except for rubber and battery, Purchased new 8-3-93. still has the factory windshield fluid and new car smell.

Last edited by Blues Power; 07-08-2010 at 12:49 PM.
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post #3 of 10 (permalink) Old 07-08-2010, 01:26 PM
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The performer rpm manifold and a 600 cfm carb will be very good for the street at your performance target.
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post #4 of 10 (permalink) Old 07-08-2010, 01:29 PM Thread Starter
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Sweet thanks guys. Also we're planning on having the block hot tanked and rebuilt in probably a couple months and we are thinking of adding a performance cam too. Any takes on a cam in particular?

Appreciate this a lot guys!
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post #5 of 10 (permalink) Old 07-08-2010, 05:21 PM
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summit carb and a weiand stealth intake. Might as well put some better heads on there while your at it.
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post #6 of 10 (permalink) Old 07-08-2010, 06:14 PM
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I'd run a stealth over an rpm on a stocker, summit and professional products make a stealth clone for a lot cheaper and they work great, I have a ported one on my 408, as for carb 600 cfm is fine, a road demon 525-625 would be optimal and probably give the best economy and performance out of all 600 cfm carbs.
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post #7 of 10 (permalink) Old 07-08-2010, 06:43 PM
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the factory ford C9OX-9424-A Buddy Bar aluminum intake is said to be the ultimate from idle to about 6000 rpm. its got a huge plenum and is a lowrise and came stock on the 69-70 351W shelbys. a few weeks ago i bought a good one at the pomona swap meet for $200.00. i am going to put it on the W in my torino and disguard the performer thats on it. i have seen them from time to time on ebay and they were sold over the counter from ford and came with either cobra ,ford , or shelby letters. look at the water jackets to make sure they are not corroded away. a 750 cfm "vac secondary" is a good size for your W.
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Last edited by supershifter2; 07-09-2010 at 01:29 AM.
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post #8 of 10 (permalink) Old 07-08-2010, 07:25 PM
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That's a good idea to also upgrade the cam. Exhaust would be the natural next step. It doesn't pay to suck more air/fuel in if you can't pump it out.

69' Mach 1 (under construction)
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post #9 of 10 (permalink) Old 07-08-2010, 10:38 PM
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without changing the cam and/or heads you should be able to pull maybe 250hp max with int/carb/headers/exhaust and a good ignition, add the right cam to the mix you could hit 280 hp, add good heads and a matching cam for the combo 350-400hp can be done.

on the cheap for an intake/carb this is what I would do....Professional Products 54023 - Professional Products Typhoon Intake Manifolds - Overview -

Summit Racing SUM-M08600VS - Summit Racing Street & Strip® Carburetors - Overview -

The summit carb is a improved holley 4010 which is based on the autolite 4100, the annular boosters are a big plus adding low end tq and throttle response other wise the best carb for the money is........Barry Grant 4282020VE Demon Road Demon Carburetors
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post #10 of 10 (permalink) Old 07-09-2010, 09:08 AM
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If you don't like tuning carbs get a 600 cfm Edelbrock. Most of the time it is bolt it on and go for a stock engine.

John Bednorz

1967 Shelby GT350, dark green, 347 stroker, 5-speed, inboards, #2206
1973 Mustang Convertible, white/white, black stripes, Q-code (351C-4V), ram air.
1968 1/2 428 CJ convertible, R-code, red/deluxe red, auto, finally finished.
"If you find the car of your dreams, ignore the price guides and pay whatever you have to in order to get it."
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