Gen 2 hemi

Anyone running stage v or eddy single plane dual quad intakes with progressive throttle linkage??? I've seen a lot of 1:1 on these intakes, but no feedback on progressive with these setups... any input would be greatly appreciated.

When you buy eddy carbs that are smaller than rated and stick them on a 528 or bigger Hemi with real heads, there is no need to restrict it further by using a progressive linkage. Its not a wedge motor, and it will want fuel with the air it takes in.....

I have a 1250 dominator on my Hemi, and restricting the opening on the secondaries with the adjustable linkage on the G3 Dominator is like turning it into a two barrel performance wise. I put it back up to nearly 1:1 and I can change lanes with the gas peddle at 50mph! Its a night and day difference....

Anyone else???? Just trying to get real world reviews. My 472 will have the eddy victor heads with a 585 solid ft cam this time with 256@.050 duration. I just want to know if it's feasible? I have a stock dual quad and a new eddy victor single plane dual quad... just trying to figure which one to run and be streetable? The carbs will be two 600's from Scott Smith....

Guess I don't count....

Just looking for other opinions along side with yours....

If I was going to be absolutely dead set on power numbers I'd go down a different path. However this is street driven 100% of the time.... mind you kind of a molested street driven at times, but nonetheless street driven. So, some street manners are in order that's why I'm leaning to progressive. My previous setup wasn't much behind my revamping, but it will spin higher and make more power. I also like to stay as stock looking as I can... just sentimental that way for ma Mopar!

We hooked my brother's two 750 Edelbrocks up 1:1 on his 528 hemi. It was like an on and off switch. We put it back to progressive. Much nicer to drive. WOT it runs the same.


And no way id run 600's on a 528.

I'm staying with 472 cubes... was considering 528 but my block issues have deterred that!

I have had all kinds of Hemis myself, and I get to work on many others. Mostly stockish....But we do also race them and know what works and what doesn't...

90% of the people I know only street them....Me, I must be crazy to race them. Blown up more than a few over the years. I wish parts were easier to get, but I must like a challenge.

Dual quads are a challenge. You need an AFR gauge, Anything you change takes a different jetting. And eddy carbs are tough. They really do not have bowls big enough for the squirter shot required, and that stepped rod, you can never get the right sizes.....You can even kill it off more with a dual plan dual quad which I would never run.

Here is our little 484 pump gas Hemi.....Not even hooking!

https://www.youtube.com/watch?v=mrm62S2Fmow

You must run 1 to 1 on the stage V manifold. Each carb feeds 4 cylinders.

Anything smaller than 750's are just too small on almost any Hemi.

I ran a ir of chokeless 750 eddy carbs on my 431 street Hemi years ago. 90% street, 10% race....Was always lean. Did run 11.90 at 119mph

Need dual feed bowls!!

While I don't have near the experience of Dragula with the Hemi, I do have a fair amount with mine. I do not have the Stage 5 or the Edelbrock intake, mine is the factory 2-4 that has been, for all intent, turned into a single plane by Dave Dudek and MCH. I run a pair of 800 AFB's on a 528 Hemi with MP aluminum heads that were CNC'd my Modern. My cam is a custom Bullet mild solid roller that Dave spec'd for my combo.(252/255@50 .675/I,.669e,great street manners!) My car is 95% street driven and I cannot see any advantage to running your carbs 1-1. The factory progressive works just fine on mine, allows me to cruise on the back carb even at 70 mph with my 3.73 gears @3300 rpm. I am getting 10-11 mpg at that speed. Do yourself a HUGE favor and get a A/F meter, I use the FAST with dual O2 sensors and it is the only way to go when running 2-4's. Even with it, it still took a lot of test runs to get the carbs dialed in, but believe me, you will learn a bunch about Eddy carbs and how tuneable they are. I have a set of 600 cfm Eddy's that I set up, and they were very sharp on the street, It took a bunch more work and a bigger selection of jets and metering rods to get the 800's dialed in, but I am pretty close and am working on getting the cruise up into the low 14's as opposed to the 13.6 that I have now, sometimes metering rod changes can do it, sometimes you have to jet up or down and start all over to get exactly what you want, but The O2 will save you tons of time and labor. I looked on the Stage 5 site which is pretty pitiful about giving any real info on their products, but it appeared in the picture, that their intake plenums have a connecting passage that would allow use of progressive linkage, I would call them and ask, I thought about switching to the Edelbrock, but I have a lot of $ tied up in mine, so I think I will stick with it. Best of luck! Lee.

I had the stock 2x4 with 2-650 eddys and it was rich all the way around.... so I know 2-600's would feed it. And I agree jetting is a work of art and I tinkered a lot with my old setup. I have lots of metering rods, jets, and springs. Also the single plane does have a passage and that's nonsense you'll burn the front half up. You're getting idle circuit fuel which isn't much but it adds fuel.... I agree there will be distribution issues but hell the factory was so crappy the had to stagger jetting to help. I'm gonna run progressive and read the plugs.... thanks guys!

Well, the Stave V dual quad manifold that I have has more of a "balance tube" connection between the front and rear plenums. I'd say that the connection is maybe an inch tall by two inches wide. When I looked at it, my interest was related to if the Idle Air Control valve in the rear throttle body (EFI) could get enough air to the front plenum while the engine was idling. The connector passageway should work fine for such low idle air requirements. But I wouldn't try to feed the front four cylinders at cruise RPM through such a small passageway. I suppose it would work ... poorly. And I think that there would be fuel distribution issues if you were using a carb. I'd take a better picture but all my junk is at MM getting screwed together. In the attached picture, if you look into the front plenum, right side in the picture, you can see a step up in the floor of the plenum. The top of the step up is the floor of the connector.

In seeing the construction of the Stage manifolds, I must add that we are using an open plenum Mod Man intake.

A stock 426 race Hemi came from factory with 2 780 cfm Holleys

Me thinks that they (the 1968 race carbs) flowed right at 850 CFM each on Holleys benches and John Bauman bench at Chryslers labs

The Eddy intake is wide open from from to back. I see by your pic that the stage v looks a little more restrictive from front to back.

Yes we usually open up the plenum on the bigger motors especially. The Stage V piece is pretty nice if you ask me. FWIW and I know that is not much I would run it 1 to 1 with some 650 AVS thunder series carbs. Greg don't confuse a rich 650 with it not being the right size.The factory Carters were 625s. Tuning lower compression stroker hemis is not easy and generally needs some instrumentation to aid in it.

The factory inline intake was a dual plane, you're nuts if you think the Stage V is going to even remotely run right.

You have to run the Stage V intake 1:1. If you look closely you'll see it's actually 2 separate single plane plenums with a small crossover tube passage for balancing maybe ??? There is no way I would run it progressive ... but hey , it's your motor and your money ...

I'm not running the stage v.... I'm running the Eddy. Edelbrock tells me they tested it with progressive...