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10-03-2011, 02:23 PM
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CC Member
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Join Date: Jan 2005
Location: Auburn,
ca
Cobra Make, Engine: Unique 289 FIA HiPo 289 with Shelby dual quad intake
Posts: 187
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Not Ranked
I have a 2-4 set up on my 289 (yes as in cubic inch) and have no issues with drivability, or as "elmariachi" suggested, doubley poor fuel economy. I had this same engine in a 65 Mustang fastback that was my daily driver back in the early 80's. Adjustments are a little more difficult but not a big deal, if you can adjust 1 Holly carb you can adjust 2.
Last edited by roadrod2000; 10-03-2011 at 02:27 PM..
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10-03-2011, 02:41 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
Quote:
Originally Posted by patrickt
Well, it's pretty clear. If you want more power, and more WOW factor when folks are looking at your carbs, then you go for the dual quads. If you enjoy people staring at your Turkey Pan and saying "WTF is that?" then you go for what I have.  |
Why limit yourself to two carbs? More is always better. Four carbs is best. If you want the best looks, more power and a lot of heartache, then I would install Webers. Otherwise, I'd stay with the single carb and turkey pan for great performance, easy tuning and the simple, yet fantastic look.  |
10-03-2011, 03:09 PM
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CC Member
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Join Date: Jul 2008
Location: Driftwood,
TX
Cobra Make, Engine: Contemporary Cobra, 427 side oiler
Posts: 1,850
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Not Ranked
Quote:
Originally Posted by Flygirl
I do really like the look of the turkey pan, although there must be some setups with a custom pan for dual quads.
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Here it is:
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10-03-2011, 03:58 PM
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CC Member
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Join Date: May 2008
Location: San Jose CA,
CA
Cobra Make, Engine: SPF_R_/BRG/FRBoss302/327CI/FordEFI/Under_Car_Exh/
Posts: 2,523
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Not Ranked
Dual quads can be interesting and fun, but for long term longevity and ease of service a good 4bbl ( single ) is probably the ticket. --unless you have money in a biscuit barrel somewhere for dual quads.
__________________
Steve SPF 2734 MK3 / Brock Coupe #54- panavia.com
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10-03-2011, 04:31 PM
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CC Member
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Join Date: Sep 2011
Cobra Make, Engine:
Posts: 144
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Not Ranked
The turkey pan option is timely, with Thanksgiving coming up!
[rimshot]
Quote:
Originally Posted by PANAVIA
Dual quads can be interesting and fun, but for long term longevity and ease of service a good 4bbl ( single ) is probably the ticket. --unless you have money in a biscuit barrel somewhere for dual quads.
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I do have a little ceramic piggy bank labeled "rainy day savings," and it's full of pennies...
Last edited by Flygirl; 10-03-2011 at 04:34 PM..
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10-03-2011, 04:37 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by Flygirl
The turkey pan option is timely, with Thanksgiving coming up!
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Wise choice... and I'm thinking that it's Mickmate that is currently making a nice removable Turkey Pan, but I could be wrong on that (and if so, the gallery will immediately correct me). |
10-03-2011, 05:55 PM
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CC Member
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Join Date: Sep 2011
Cobra Make, Engine:
Posts: 144
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Not Ranked
Sooooo...
Somewhere I came across this pic of a "cookie sheet" for the dual quads. I suppose it's custom made, but I like the looks of it.
Fits between the top of the carbs and the air cleaners.
Doesn't insulate from heat soak, but would provide nice cool induction air. And from the looks of the foam sealing, it looks like it fits tightly against the inside of the hood.
Last edited by Flygirl; 10-03-2011 at 06:01 PM..
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10-03-2011, 06:04 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
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10-03-2011, 06:15 PM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine:
Posts: 1,009
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Not Ranked
427 FE Carburation
I am going to be in the minority here because I care about function more than appearance but here goes. When I first got my Cobra it had a blueprinted medium riser with dual fours and vacuum secondary. I never had any trouble with that set up other than flooding during anything beyond a mild cornering maneuver. I had the stock Stellings air cleaners that proved inadequate until I increased their height with taller elements. I have run dual center pivot two barrels on a dual four tunnel port single plane manifold with good power and drivability but the best power was obtained with a single blue printed 1150 Dominator on a single plane tunnel port manifold with a 1" spacer and NASCAR air cleaner. I know most of you like the looks of a turkey pan but the little air cleaner that most use with the turkey pan will not flow enough air for a 260" small block.
You will have less trouble with a single four but the dual four looks better and works pretty well for everything. Weber's or Stacks also look good but are hard to filter, produce tons of torque which you don't need, and are a nightmare to tune properly.
Unless you are good with carbs I would go the single four route with a BIG air cleaner, you can put the turkey pan on for shows.
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10-03-2011, 06:22 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Quote:
Originally Posted by patrickt
If you want more power...
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Ah....I don't think I would make that statement.... |
10-03-2011, 06:25 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by blykins
Ah....I don't think I would make that statement....
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Perhaps, but, regardless, I don't think she's looking for every ounce of possible power she can get; nor am I. It's rather a question of what particular look strikes one's fancy. |
10-03-2011, 06:26 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Yep........
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10-03-2011, 06:41 PM
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CC Member
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Join Date: Sep 2011
Cobra Make, Engine:
Posts: 144
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Not Ranked
Quote:
Originally Posted by blykins
Ah....I don't think I would make that statement....
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You've got that right.
This whole journey began with "A nice little 302 crate motor would be more than enough," and now I don't think anything less than the 427 s/o will do it for me.
And the more cars I drive, the more I feel this way. [sigh]
Quote:
Originally Posted by patrickt
Perhaps, but, regardless, I don't think she's looking for every ounce of possible power she can get; nor am I. It's rather a question of what particular look strikes one's fancy.
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No, not going for every last ounce of power. Just an aesthetically pleasing period correct engine with some rarity to it. One which runs well on the street. It's a pain when it doesn't.
There's a mix of that personal feeling of just knowing what's under the hood of my car, combined with a bit of ego stroking "that's a 427 side oiler, straight out of 1965" when someone asks, and also a good amount of period correctness. I really like how, with the ERA, the labels on the pentroof rocker covers match the ones on the side of the car, too. It's crazy, but what the heck.
That 427 is (I know I'm preaching to the choir now) so wonderfully oversquare and seems to lend some real authenticity to a replica automobile. Even if it doesn't necessarily make sense logically.
Somehow, though, logic doesn't seem to be a major factor.
I suppose that, if I ended up with a car with dual quads, I could always go back to the single if things didn't work out. I've never totally understood the dual quad setup for the street; clearly one carb can flow enough for the engine's needs. But that's just my perception and so I'm putting the question out there.
Last edited by Flygirl; 10-03-2011 at 06:48 PM..
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10-03-2011, 06:44 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Would you spend a day with my wife please? I'd love for her to talk to me while using terms like "oversquare".....
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10-03-2011, 06:51 PM
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CC Member
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Join Date: Sep 2011
Cobra Make, Engine:
Posts: 144
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Not Ranked
And here I'm thinking I should tone it down a few notches, for fear of scaring off every guy I meet!
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10-03-2011, 06:55 PM
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CC Member
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Join Date: Jul 2008
Location: Driftwood,
TX
Cobra Make, Engine: Contemporary Cobra, 427 side oiler
Posts: 1,850
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Not Ranked
Quote:
Originally Posted by Flygirl
And here I'm thinking I should tone it down a few notches, for fear of scaring off every guy I meet!
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If I were to go searching for members of the opposite sex, I would lead in with "I got 8 barrels, whaddya you got?" 
Seriously, in airplane speak, would YOU buy an F-4 Phantom without afterburners???? |
10-03-2011, 07:02 PM
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CC Member
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Join Date: Sep 2011
Cobra Make, Engine:
Posts: 144
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Not Ranked
That's a much better line than when he says, "want to check out my new Probe?"
Ford Probe, that is.
Sheesh. Y'all have filthy, dirty minds.
Last edited by Flygirl; 10-03-2011 at 07:05 PM..
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10-03-2011, 07:08 PM
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CC Member
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Join Date: Jul 2008
Location: Driftwood,
TX
Cobra Make, Engine: Contemporary Cobra, 427 side oiler
Posts: 1,850
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Not Ranked
Quote:
Originally Posted by Flygirl
That's a much better line than when he says, "want to check out my new Probe?"
Ford Probe, that is.
Sheesh. Y'all have filthy, dirty minds.
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You have been listening to my buddy R.D. Mercer..... Roy D Mercer - Car Salesman - YouTube
When you are down to asking about 8 barrels versus 4 you are in the home stretch.  |
10-03-2011, 07:24 PM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine: # 757 ERA 427 SC , 482 Al. big block
Posts: 896
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Not Ranked
Flygirl ... I`ve got two cars with the side oiler in them . One is my ERA with a Ponds 482 and one 4 bbl. The other is a 63 1/2 Galaxie with a 427 and dual quads Look in my photo gallery for some pictures ) . Back to back comparison.... the dual quad setup is super streetable , idles at 900 rpm , no hesitation , cruises great and comes on like a scalded cat , well , a 4000 lb scalded cat . I have had zero problems maintaining the balance between the carbs and once set ( about 3 years ago ) , I haven`t touched them .
Same for the single 4 bbl on the ERA once set up properly ( other than Ethanol issues ) . Personally , I would not hesitate to put a dual quad setup on any engine I have .
BTW , I followed the Ford factory shop manuals for linkage and carb set up and they were dead on .
PS... the factory rated the Q code ( 1 four bbl ) at 410 hp and the R code ( dual quad ) at 425 hp back in 1963 .
PPS .... a lot of "carb problems " are really ignition/distributor instead .
Bob
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10-03-2011, 11:43 PM
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CC Member
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Join Date: Sep 2011
Cobra Make, Engine:
Posts: 144
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Neutral
Well, if the dual quads work for me, I sure like the look. No question about that. I don't plan on showing off the car (very much), but it'd be nice to have significant wow factor when the hood happens to be open for display.
Bobcat, when you mention the possibility of ignition/distributor problems masquerading as carb issues, do you mean initial and total advance settings? Or are you referring to the timing curve? Or all of the above?
Or, come to think of it, none of the above?
:-)
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