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Author
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Topic: Dual Quads on '66 289
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whiteknight289
Gearhead Posts: 1000
From: Wheaton, IL, USA
Registered: Mar 2004
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posted 04-02-2004 08:20 PM
   
Just wanted to get some thoughts on running a dual quad setup on my 66 GT. I've obtained an orginal Cobra intake and a pair of Carters, looks just like the setup in the Ford High Performance catalog. I'm doing this more for 'eye candy' than for horsepower. The Carters were rated at 400cfm each, but I tested them on a flowbench to make sure. Without air cleaner they tested at 490 each, with a 6" air cleaner and paper element they came down to 390 each. It's been suggested I don't run them progressive, I should have them both open at the same time.
Mild street motor has 500 miles on it, balanced, port-match, CompCams 252H .433 lift, 206 duration, 110 separation. Roller rockers. If I do the dual quads I'll add electronic ignition and Tri-Y headers. I'm not opposed to changing the cam and/or installing a set of pop-up pistons I have.
Any thougts?
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MCA Certified Judge, 1965-1966
66 GT coupe A code, Silver Frost
65 coupe modified - the White Knight
66 convert being restored
95 GT convertible/Cobra clone - black with white leather
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68GEETEE
Journeyman Posts: 28
From: TX, USA
Registered: Apr 2004
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posted 04-02-2004 08:38 PM
Eye candy is cool, but keep in mind that over-carbing a small block may actually hurt your performance if the engine doesnt breathe well, ie: stock heads cant process all that fuel. I think your on the right track with adding headers, etc, but you may really benefit from a set of performance heads, or at least get your stock heads ported. Just a thought.
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whiteknight289
Gearhead Posts: 1000
From: Wheaton, IL, USA
Registered: Mar 2004
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posted 04-02-2004 08:43 PM
Thanks for the thoughts 68GeeTee...heads are ported but not hogged out, I was really concerned with too much CFM that's why I had them flow-benched. These are actually smaller carbs than the original Ford package I'm told. At lower RPMs I don't think I'll be pushing too much CFM, they have fairly small primaries. ------------------
MCA Certified Judge, 1965-1966
66 GT coupe A code, Silver Frost
65 coupe modified - the White Knight
66 convert being restored
95 GT convertible/Cobra clone - black with white leather
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Moneymaker
Administrator Posts: 25052
From: Lyons, IL, USA
Registered: May 99
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posted 04-02-2004 08:44 PM
About all that induction system is good for would be looks.
Almost any single 4V set up will out perform it.
It will work OK as a driver/show car with your current cam as long as you upgrade the ignition and exhuast.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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whiteknight289
Gearhead Posts: 1000
From: Wheaton, IL, USA
Registered: Mar 2004
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posted 04-02-2004 08:51 PM
Alex, thanks for your reply, and you are right on with what I'm thinking, I'd really be doing it for looks more than performance.
I recently sent you an email about some fiberglass springs...thanks for the quick reply. Maybe I'll leave my 4100 on the GT and save the duals for my 66 convertible.------------------
MCA Certified Judge, 1965-1966
66 GT coupe A code, Silver Frost
65 coupe modified - the White Knight
66 convert being restored
95 GT convertible/Cobra clone - black with white leather
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Moneymaker
Administrator Posts: 25052
From: Lyons, IL, USA
Registered: May 99
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posted 04-03-2004 11:17 AM
Welcome to M&M Scott.  !
For those of you who do not know, Scott (whiteknight289) is the former proprietor of Mustangs of Chicago and is a formost expert in classic Mustang restoration, parts identification, and general repair.Scott is a welcome addition to our M&M family and membership. ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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sigtauenus
Gearhead Posts: 2180
From: Far East, currently in Japan
Registered: Jun 2000
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posted 04-03-2004 12:00 PM
quote:
Originally posted by Moneymaker:
the former proprietor of Mustangs of Chicago
I think I have one of his collared T-shirts in my closet.  Welcome Scott!
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Fastymz
Moderator Posts: 18143
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 04-03-2004 12:47 PM
Welcome Scott ------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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Tom G
Gearhead Posts: 552
From: Bethlehem, Pa USA
Registered: Nov 2001
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posted 04-03-2004 04:45 PM
Welcome aboard!!------------------
67 Mustang F/B 302 GT-40X FMS Crate engine T5, cable clutch conversion Flowmasters X Pipe 4.11 9". Clear water Aqua GT Clone 13.39 on 205/70/14 BFG @104 mph 03 Focus ZX3 BORLA exhaust Wings West spoiler (Arrest ME RED)
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whiteknight289
Gearhead Posts: 1000
From: Wheaton, IL, USA
Registered: Mar 2004
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posted 04-03-2004 05:20 PM
Thanks all for the kind words. Although I've been doing Mustangs for almost 25 years I find I'm constantly learning and this forum is a great exchange of ideas. For those of you who have asked, I worked at Mustang of Chicago for about 7 years before purchasing the company from my boss. After being a business owner for about 7 years I decided my passion was 'hands on' rather than shuffling papers for the government (you other small business owners know what I'm talking about). Sold the business and now I'm turning wrenches for the new owner (who, by the way, is a master mechanic, mustang nut, and has a few patents to his credit). I'm finally back to having fun with my mustangs.------------------
MCA Certified Judge, 1965-1966
66 GT coupe A code, Silver Frost
65 coupe modified - the White Knight
66 convert being restored
95 GT convertible/Cobra clone - black with white leather
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Fastymz
Moderator Posts: 18143
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 04-03-2004 05:24 PM
quote:
Originally posted by whiteknight289:
I'm finally back to having fun with my mustangs.
Thats what it's all about, lifes to short not to have fun. Btw, I have help run a small business for the last 16 years. I'm in no hurry to buy it.  I think the dual quads look and sound awesome. 
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SCOOP
oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics [This message has been edited by Fastymz (edited 04-03-2004).]
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gunrocker
Gearhead Posts: 449
From: Colliers, WV,USA
Registered: Mar 2004
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posted 04-05-2004 03:38 PM
Scott...Welcome!Way back in 1969 I used to run a 4-sp 67 GT Fastback K-Code with the Lemans cam, headers etc. and threw on the Ford 2-4 setup with Carter Competition Series 500 cfm carbs if my memory serves me correctly. LOOKED MEAN...but like Alex said...ran just as good or better with a single 4!
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Scott302
Journeyman Posts: 28
From: Livonia, MI, USA
Registered: Mar 2001
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posted 04-05-2004 05:46 PM
Scott,
My father ran that exact setup on his 65 Hipo Coupe. I remember this setup pulling REALLY hard when he changed the original 4v to the Carters. I loved it (I was younger then and impressionable!) The linkage was a non-progressive straight rod. He set it up to open the back carb almost at WOT. I have the original Ford Performance book somewhere that shows this setup adding 20-30hp. Eight smaller holes are better than 4 large ones. If you have the setup already, RUN IT! ------------------
Scott Halseth
National Parts Depot
65 Convt
66 Coupe
03 Coupe
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cynot65
Gearhead Posts: 1177
From: New York
Registered: Apr 2000
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posted 04-05-2004 07:31 PM
You guys rock!!!! I'm so impressed with the collective knowledge this site has. As I was reading Scotts post (Welcome aboard too!) I was thinking flowbenching, CFM, paper elements, port matched, dual quads, clearly lost and out of my league. I have no idea when I'll be ready for this kind of info but i sure a s**t no where to get when I do.
Tony C*------------------
65 Convertible, Vintage Burgandy/Standard Black Interior, 289, 4spd
M&M Member#450
It ain't done yet, but it'll be done right!! [This message has been edited by cynot65 (edited 04-05-2004).]
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grandestang
Gearhead Posts: 373
From: Lake Bluff, Illinois USA
Registered: Jan 2003
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posted 04-05-2004 09:47 PM
Oh my God!! Mustangs of Chicago huh???Scott, roomate here in college is Mike Stolzman. You are helping him getting his Cobra Jet GT convertible going right? Wow that is pretty cool. He talks about his car all the time and can't wait till he gets to drive that thing. Small world ain't it? Paul ------------------
1970 Grande
H code 351W FMX
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whiteknight289
Gearhead Posts: 1000
From: Wheaton, IL, USA
Registered: Mar 2004
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posted 04-05-2004 10:15 PM
Paul,
Yes I'm working on his 69 R-code 428CJ convertible. Down to a few items...need to hook up shifter, install exhaust, put the belts on, bolt on the carb then its ready to run. Shaker air cleaner is mostly done being detailed, the scoop turned out great!
Scott------------------
MCA Certified Judge, 1965-1966
66 GT coupe A code, Silver Frost
65 coupe modified - the White Knight
66 convert being restored
95 GT convertible/Cobra clone - black with white leather
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grandestang
Gearhead Posts: 373
From: Lake Bluff, Illinois USA
Registered: Jan 2003
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posted 04-05-2004 11:55 PM
quote:
Originally posted by whiteknight289:
Paul,
Yes I'm working on his 69 R-code 428CJ convertible. Down to a few items...need to hook up shifter, install exhaust, put the belts on, bolt on the carb then its ready to run. Shaker air cleaner is mostly done being detailed, the scoop turned out great!
Scott
Thats pretty cool, I know he sure is excited about it. Can't wait to see the thing run myself Paul
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1970 Grande
H code 351W FMX
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