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Dual 4's are more impressive than 3-2's in my book.

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Thanks for the input guys. I think that I will defiantly go with the Indy Mod Man intake. I just need to decide how many carbs I want on top of it. This is a tough one.

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3-2bbl

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Thanks for the input guys. I think that I will defiantly go with the Indy Mod Man intake. I just need to decide how many carbs I want on top of it. This is a tough one.

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2X4 BBL ,I did have a 6bbl in the past for a couple yrs without the blower.

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Thanks for the input guys. I think that I will defiantly go with the Indy Mod Man intake. I just need to decide how many carbs I want on top of it. This is a tough one.

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2X4 BBL,I did have a 6bbl in the past for a couple yrs.

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they're ugly, over rated and make very little power. i just hate them!.....

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Me too!

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Dual 4's are more impressive than 3-2's in my book.

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why not go efi with 3 2v throttle bodies? I think I saw that setup somewhere...then youd be the only kid in town with one for sure and all the tuning issues are done by the computer

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What is $$ comparison ?

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It really comes down to personal taste and expectations

IMO people think this is best or worse based on gossip and B.S.
(Street/Strip wise its hard to top.)

I`ve run a 6bbl. since 1983, runs with the best of`em.
BUT,,,,,, I`m also sure I could go quicker with something else IF I put as much time/money into finding it.
How much faster is a new argument

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haven't tried these yet but should be a simple, easy to tune alternative to a 6bbl.

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I like the build you're doing. I went a similar route on my build except on a big block. The six pack I'm running has the manifold deep ported and uses the mechanical secondary carbs. They all have accelerator pumps. I don't really like the feel of the vacuum secondary style of carbs, but that's a preference thing.

The six pack gives the motor a Dr Jekyle & Mr Hyde type of personality, mild mannered with decent mileage while on the center carb, and brutal power and acceleration when the outboards are tipped in.

When the unknowing ask to go for a ride in my car, I innocently lull them into relaxing by driving smooth and normal on the center carb. Right when they are all relaxed and not expecting it, I tip in the outboards, the motor changes personality with a sinister, Mr Hyde-like roar, their legs and arms lock to brace themselves as their eyes get as big as silver dollars. 700 hp will do that too you.

As soon as I go back on the center carb, they all seem to have a smile on their face that outlasts the ride home. It's the little things in life that make me smile these days.

When the motor was being dynoed, I had them test it with a big 4 barrel, the six pack was a bit stronger in the mid-range , and the single 4 eeked out a handful more hp at high rpm.

For me, my car would be bit less fun to drive and not as street friendly without a six pax on it.

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I like the build you're doing. I went a similar route on my build except on a big block. The six pack I'm running has the manifold deep ported and uses the mechanical secondary carbs. They all have accelerator pumps. I don't really like the feel of the vacuum secondary style of carbs, but that's a preference thing.

The six pack gives the motor a Dr Jekyle & Mr Hyde type of personality, mild mannered with decent mileage while on the center carb, and brutal power and acceleration when the outboards are tipped in.

When the unknowing ask to go for a ride in my car, I innocently lull them into relaxing by driving smooth and normal on the center carb. Right when they are all relaxed and not expecting it, I tip in the outboards, the motor changes personality with a sinister, Mr Hyde-like roar, their legs and arms lock to brace themselves as their eyes get as big as silver dollars. 700 hp will do that too you.

As soon as I go back on the center carb, they all seem to have a smile on their face that outlasts the ride home. It's the little things in life that make me smile these days.

When the motor was being dynoed, I had them test it with a big 4 barrel, the six pack was a bit stronger in the mid-range , and the single 4 eeked out a handful more hp at high rpm.

For me, my car would be bit less fun to drive and not as street friendly without a six pax on it.

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Thanks! There has been some thought put into it for sure. I like the idea of using mechanical secondary's and accelerator pumps on each one. More info please. So far the six pack is winning this debate!

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I thought about trying a six pack set-up on my FAST duster just for fun. Not sure if it would fit under a stock hood though.

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It really comes down to personal taste and expectations

IMO people think this is best or worse based on gossip and B.S.
(Street/Strip wise its hard to top.)

I`ve run a 6bbl. since 1983, runs with the best of`em.
BUT,,,,,, I`m also sure I could go quicker with something else IF I put as much time/money into finding it.
How much faster is a new argument

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I agree with this. I would have consider the 6pk setup for my car but if I make any changes since my car is from the Max Wedge era I would go with the crossram. A 6pk on a 63 Max Wedge era car just dont look right to me. Ron

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with both quotes
A 6pk setup on a Max Wedge-era car is kinda functional for the times, but just wouldn't be a Max-Wedge. The two carbs and crossram intake is its' calling card. Both setups make for a excellent street/strip setup other than a well-tuned 4bbl setup. 6bbls work best with medium to heavyweight cars, while the Crossram setup works very well with medium to lightweight cars. As for a2x4 inline setup, they are no less the attention getter than the 6pk and just as powerful, but a bit harder to tune (without the wide band sensor setup). Manifolds too, have to be optimized to the overall combo.

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It really comes down to personal taste and expectations

IMO people think this is best or worse based on gossip and B.S.
(Street/Strip wise its hard to top.)

I`ve run a 6bbl. since 1983, runs with the best of`em.
BUT,,,,,, I`m also sure I could go quicker with something else IF I put as much time/money into finding it.
How much faster is a new argument

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I agree with this. I would have consider the 6pk setup for my car but if I make any changes since my car is from the Max Wedge era I would go with the crossram. A 6pk on a 63 Max Wedge era car just dont look right to me. Ron

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with both quotes
A 6pk setup on a Max Wedge-era car is kinda functional for the times, but just wouldn't be a Max-Wedge. The two carbs and crossram intake is its' calling card. Both setups make for a excellent street/strip setup other than a well-tuned 4bbl setup. 6bbls work best with medium to heavyweight cars, while the Crossram setup works very well with medium to lightweight cars. As for a2x4 inline setup, they are no less the attention getter than the 6pk and just as powerful, but a bit harder to tune (without the wide band sensor setup). Manifolds too, have to be optimized to the overall combo.

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If you can find a set of carbs with the center air idle speed screws instead of on the throttle shaft they are "very" easy to tune.

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haven't tried these yet but should be a simple, easy to tune alternative to a 6bbl.

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Edelbrock 2x4 setup is less expensive than a 6 pack.

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Yeah but it comes w/ 2 edelbrock carbs

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haven't tried these yet but should be a simple, easy to tune alternative to a 6bbl.

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Edelbrock 2x4 setup is less expensive than a 6 pack.

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Yeah but it comes w/ 2 edelbrock carbs

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haven't tried these yet but should be a simple, easy to tune alternative to a 6bbl.

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Edelbrock 2x4 setup is less expensive than a 6 pack.

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Yeah but it comes w/ 2 edelbrock carbs

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now, now! there's nothing wrong with afb's, .

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haven't tried these yet but should be a simple, easy to tune alternative to a 6bbl.

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Edelbrock 2x4 setup is less expensive than a 6 pack.

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Yeah but it comes w/ 2 edelbrock carbs

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That's a good thing! I'll take any you want to toss out ;-)

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Too late gave mine to a chebbie guy.

Decided to try one years ago, bought a shiny new 1407 Edelbrock carb for my 440 4 speed Challenger replacing the strong running (but a little dirty looking) Holley 750dp carb it had on it.

The Edlbrock had a terrible stumble off idle and no where near the performance of the Holley.
Bought the Edelbrock tuning kit and spent hours trying to tune it.

Called Edelbrock tech line countless times, They had me doing all kinds of stuff including drilling out emulsion tubes, some improvement but the stumble never went completely away and still no where near the performance of the Holley.

The techs at Edelbrock were nice and helpful and even sent me parts to try for free but in the end they finally admitted these type carbs where NOT designed for performance big block Mopars...more for stock small block chebbies.

Pulled the Edelbrock carb (gave to a chebbie buddy) and replaced with the old Holley and the car ran perfect(and fast) again.

Still got the Edelbrock tuning kit somewhere.

Live and learn.

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The techs at Edelbrock were nice and helpful and even sent me parts to try for free but in the end they finally admitted these type carbs where NOT designed for performance big block Mopars...more for stock small block chebbies.

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Are paper 6 pack filters being reproed again or are nos ones still listing for 350 bucks?

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Are paper 6 pack filters being reproed again or are nos ones still listing for 350 bucks?

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If you are talking about the orange round hole original style, no, not to my knowledge, athough they likely will make more eventually. And BTW, the $350.00 examples you commonly see offered are not typically NOS, they are remaining Fram reproductions, NOS (New OLD Stock from the early 70's) usually go for more than that.

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The mechanical six pack Holley 2300 carbs were sold over the counter under the Direct Connection banner as "Racing" carbs. They were also used on Ford's during the '60's. It takes a bit of searching, but there are still a lot of nice sets out there, especially if you Google Ford set-ups.

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The mechanical six pack Holley 2300 carbs were sold over the counter under the Direct Connection banner as "Racing" carbs. They were also used on Ford's during the '60's. It takes a bit of searching, but there are still a lot of nice sets out there, especially if you Google Ford set-ups.

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Those carbs were 500 cc 2 bbl's with accelerator pumps. That is all I ran on 6pk setup in the late 70's and early 80's.

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How do you make the Ford carbs fit a Mopar manifold?

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The mechanical six pack Holley 2300 carbs were sold over the counter under the Direct Connection banner as "Racing" carbs. They were also used on Ford's during the '60's. It takes a bit of searching, but there are still a lot of nice sets out there, especially if you Google Ford set-ups.

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Those carbs were 500 cc 2 bbl's with accelerator pumps. That is all I ran on 6pk setup in the late 70's and early 80's.

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How do you make the Ford carbs fit a Mopar manifold?

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The mechanical six pack Holley 2300 carbs were sold over the counter under the Direct Connection banner as "Racing" carbs. They were also used on Ford's during the '60's. It takes a bit of searching, but there are still a lot of nice sets out there, especially if you Google Ford set-ups.

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Those carbs were 500 cc 2 bbl's with accelerator pumps. That is all I ran on 6pk setup in the late 70's and early 80's.

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How do you make the Ford carbs fit a Mopar manifold?

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the mechanical end carbs were the same size throttle bores and venturi as the factory vacuums, definitely not the 500cfm aftermarket carbs. the ford carbs will bolt up but they were very small, like the mopar and chevy center carbs.

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The techs at Edelbrock were nice and helpful and even sent me parts to try for free but in the end they finally admitted these type carbs where NOT designed for performance big block Mopars...more for stock small block chebbies.

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That is a ridiculous statement from the Edelbrock employee as a carburetor doesn't have a clue as to what is pulling a vacuum under it. Something was wrong with your carb, pure and simple.

I could give you a ride in my GTX as it will explosively break the tires loose by merely stabbing the gas pedal.

With either the 750 AFB (now on my Duster) I use to run, or the 900 CFM Thermoquad that is currently on it.

A great book to read about how Carters work-

http://www.amazon.com/Carter-Carburetors...rter+carburetor

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Is that 750 AFB a real Carter AFB, or an Edelbrock/Carter/Weber/ Abortion Four Barrel AFB?

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The mechanical six pack Holley 2300 carbs were sold over the counter under the Direct Connection banner as "Racing" carbs. They were also used on Ford's during the '60's. It takes a bit of searching, but there are still a lot of nice sets out there, especially if you Google Ford set-ups.

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Those carbs were 500 cc 2 bbl's with accelerator pumps. That is all I ran on 6pk setup in the late 70's and early 80's.

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How do you make the Ford carbs fit a Mopar manifold?

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the mechanical end carbs were the same size throttle bores and venturi as the factory vacuums, definitely not the 500cfm aftermarket carbs. the ford carbs will bolt up but they were very small, like the mopar and chevy center carbs.

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Actually since the Ford carbs all have metering blocks the rear carb won't fit... The center carb always has a metering block so that's not an issue & the front carb just protrudes an extra 3/4" but the rear carb will not fit....

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Actually since the Ford carbs all have metering blocks the rear carb won't fit... The center carb always has a metering block so that's not an issue & the front carb just protrudes an extra 3/4" but the rear carb will not fit....

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the ford carbs will bolt up because they use side pivot bowls; the same as 6-pak mechanicals.

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Oh yeah.. Last Ford Tri-Power I played with was in the 70's.. I clearly remembered the metering plates.. Completely forgot the side pivot bowls...

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Are paper 6 pack filters being reproed again or are nos ones still listing for 350 bucks?

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If you are talking about the orange round hole original style, no, not to my knowledge, athough they likely will make more eventually. And BTW, the $350.00 examples you commonly see offered are not typically NOS, they are remaining Fram reproductions, NOS (New OLD Stock from the early 70's) usually go for more than that.

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...and K&N has a nice filter that will outlast all of us.

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If you like your engine gulping in dirt sure. Would have to pay me to put on of those on my engine.

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Here's my take. If you want the ultimate "Wow" factor yank the 408 and drop in a GenII Hemi. Done!

IMO it's hard to beat an STR12 for a small block in terms of under hood glamor (EXPENSIVE!), but they can be a trial to find, install, and tune properly.

If you want the car to perform to it's limit you'll likely find the best way to get there is a single 4 barrel.

For vintage look I'd go with a Thermo-Quad, you don't need a Comp series unit either (they work great but are not very street friendly). For a more modern approach it's hard to beat a Holley 950 on a stroker small block with an aggressive cam profile.

Six packs are great dependable power makers as well (and if properly tuned) will perform with nearly anything, but it's a lot of extra expense and hardware to get to the same goal a 4 barrel can reach, plus, if you run a stock oval air cleaner a 4 barrel looks basically the same as a Six Barrel when all covered up, all that money and now it's all hidden, that goes double if you run a Shaker hood.

Dual 4's are sort of the same story, not really needed but if you like the look and don't mind the added expense you won't likely lose (unless you over carb the engine) or gain any performance over a well chosen single 4 setup.

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I like the build you're doing. I went a similar route on my build except on a big block. The six pack I'm running has the manifold deep ported and uses the mechanical secondary carbs. They all have accelerator pumps. I don't really like the feel of the vacuum secondary style of carbs, but that's a preference thing.

The six pack gives the motor a Dr Jekyle & Mr Hyde type of personality, mild mannered with decent mileage while on the center carb, and brutal power and acceleration when the outboards are tipped in.

When the unknowing ask to go for a ride in my car, I innocently lull them into relaxing by driving smooth and normal on the center carb. Right when they are all relaxed and not expecting it, I tip in the outboards, the motor changes personality with a sinister, Mr Hyde-like roar, their legs and arms lock to brace themselves as their eyes get as big as silver dollars. 700 hp will do that too you.

As soon as I go back on the center carb, they all seem to have a smile on their face that outlasts the ride home. It's the little things in life that make me smile these days.

When the motor was being dynoed, I had them test it with a big 4 barrel, the six pack was a bit stronger in the mid-range , and the single 4 eeked out a handful more hp at high rpm.

For me, my car would be bit less fun to drive and not as street friendly without a six pax on it.

---

Thanks! There has been some thought put into it for sure. I like the idea of using mechanical secondary's and accelerator pumps on each one. More info please. So far the six pack is winning this debate!

---

The mechanical six pack Holley 2300 carbs were sold over the counter under the Direct Connection banner as "Racing" carbs. They were also used on Ford's during the '60's. It takes a bit of searching, but there are still a lot of nice sets out there, especially if you Google Ford set-ups.

Hughes Engines deep ported the intake and stage 2 ported my Indy EZ's. I picked up a very nice heim-joint linkage set-up from Ben at ProMax. I used a wide band to tune them, which makes it relatively easy to get them virtually spot on in no time.

Here's a pic of the linkage, and an old fuel line I had made up. I've since gone to three individual fuel lines. Notice the fuel feed is on the opposite side, as the float bowls are side hung.

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Almost thought you were refering to my car for a moment as I pulled the STR12 off and installed a 950hp Holley on a hand ported M1.

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I am at the final stages of my engine build and it is now time to pick my Intake and carb setup. I am leaning toward the Indy Mod Man Six Pack setup. I have no experience with these so I need some advice. I have read mixed reviews so I need to know if the cool factor of having a six pack under the hood is worth it and also want to make sure that they live up to their legend of being great performers. This is a magnum motor 360. Build list is as follows:

408
Block was honed with Torque Plates
Align Honed
Square Deck
Scat Forged Crank
Scat Forged I Beam Rods
AutoTec Forged pistons
Eddie Heads fully ported
2.08 Ferrea Competition Plus intake valves 5/16'' stem
1.60 Ferrea Competition Plus exhaust valves 5/16'' stem
C.H.E. Precision valve guides
T&D shaft mount roller rockers 1.6
Crower Lifters
Innovators West Damper
Moroso Oil Pan

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So, what are ya gonna do?

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NO
They are a PIA
Want a 600 HP stroker Big Block? Take the 4 barrel off a 700 HP Big block and replace with a Six Pack.
Six packs may look real good on a National Winning NHRA car but in real life any dyno operator will tell you they are old school mystic BS. On a stock 440 they sound good and are fun but that goes out the window when you really want to make real modern day power levels--ok ok there are you that will point to some folks making great hp with so and so but honest the cfm deal is BS--distribution stinks, intake volume is nothing to get excited about--that is KEY to making big power--A Six Pack is a legend, and like most they are never really what they are supposed to be--Elvis is an exception--I saw that cat and he was AMAZING! I had a 500 inch pump gas Eddy headed with Max porting--custom solid roller yadda yadda, that engine would not make over 600 HP on the dyno to save my life--modded the six pack for days--put a real carb and intake on it and you get my first line in this post.
They look cool but cause more PIA than ex wives. Yea they moan about like one but....

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Like most things most people can't make work easily the stock type Moapr sixpaks can be made to work very well There are many cases in print of individual who tried to make a sixpak work and failed, therefore all six paks are no good,(don't forget that the people doing the work are writers) Baloney Sauce I've seen many instances of real racers swapping from a single four barrel to a stock type decently prepared sixpak and going faster with the sixpaks I've done some engine dyno testing with a stock type low deck Eddy six pak dual plane intake and stock type 1970 and 71 vacume carbs., jetted on the dyno the sixpak made 5 more HP and the exact same torque as Holley List # 9375 1050 Dominator on a single plane 4500 intake with a high dollar Wilson manifold 2 inch high reversion spacer. I've also spent more than one hour working on the sixpak setup to max it out My 3450 lb car with a pump gas low deck 518 C.I. stroker with the sixpak has gone low tens at 128 MPH through the mufflers with the junk K&N air filter on it My car did run faster with a single Holley 1050 Domaintor after I put a set of Indy M.W. SR heads on it with there 400-3 intake, the SR heads flow 30 CFM more than the CNC ported Eddy RPM did More air into most Mopar V8 means Mopower

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I was really aiming to answer original question--is 6 pk worth time/$/trouble
In my opinion the carbs being sold these days are lacking in quality control, linkage kits on inter galactic back order and very high $$, same on fuel line kits, diaphram kits etc. Digging into new carbs to access adjustments etc all add up to a pain and lots of loot. I admit in the hands of a seasoned 6 Pk man they do work fine as , as I mentioned the many NHRA cars that just plain Run!
Are they worth the effort --I was voting no.
Customer walks in, I want a 6 Pk--oh boy, there goes lots more time that we will not get paid for.
Any man that owns a good one is a happy camper, all I was saying is that is rains alot in the 6 Pack Campground.

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sounds like you don't know how to tune them so you just rain on the parade.

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I can admit that!
Look up current price of a linkage kit--Tell me that looks like a good deal.

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I can admit that!
Look up current price of a linkage kit--Tell me that looks like a good deal.

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Most anyone with limited skills can make what you need.

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I am at the final stages of my engine build and it is now time to pick my Intake and carb setup. I am leaning toward the Indy Mod Man Six Pack setup. I have no experience with these so I need some advice. I have read mixed reviews so I need to know if the cool factor of having a six pack under the hood is worth it and also want to make sure that they live up to their legend of being great performers. This is a magnum motor 360. Build list is as follows:

408
Block was honed with Torque Plates
Align Honed
Square Deck
Scat Forged Crank
Scat Forged I Beam Rods
AutoTec Forged pistons
Eddie Heads fully ported
2.08 Ferrea Competition Plus intake valves 5/16'' stem
1.60 Ferrea Competition Plus exhaust valves 5/16'' stem
C.H.E. Precision valve guides
T&D shaft mount roller rockers 1.6
Crower Lifters
Innovators West Damper
Moroso Oil Pan

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So, what are ya gonna do?

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NO
They are a PIA
Want a 600 HP stroker Big Block? Take the 4 barrel off a 700 HP Big block and replace with a Six Pack.
Six packs may look real good on a National Winning NHRA car but in real life any dyno operator will tell you they are old school mystic BS. On a stock 440 they sound good and are fun but that goes out the window when you really want to make real modern day power levels--ok ok there are you that will point to some folks making great hp with so and so but honest the cfm deal is BS--distribution stinks, intake volume is nothing to get excited about--that is KEY to making big power--A Six Pack is a legend, and like most they are never really what they are supposed to be--Elvis is an exception--I saw that cat and he was AMAZING! I had a 500 inch pump gas Eddy headed with Max porting--custom solid roller yadda yadda, that engine would not make over 600 HP on the dyno to save my life--modded the six pack for days--put a real carb and intake on it and you get my first line in this post.
They look cool but cause more PIA than ex wives. Yea they moan about like one but....

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Almost thought you were refering to my car for a moment as I pulled the STR12 off and installed a 950hp Holley on a hand ported M1.

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I had not one but TWO STR-12 intakes back in the day, never did get around to running them and sold both.

Odds are they flowed poor (I have seen reports of engines with and without Max Wedge intakes for example picking up buckets of power going to modern intakes) but man do they look sweet when you pop the hood!

Nothing like two carbs on a crossram!

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