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Yep, it’s a 4speed. I think with the 40 overbore it turns out to be 392ci.

It just has a champion radiator a thermostat and twin fans just the summit brand. I don’t remember which ones but they cool it well, it doesn’t get hot at all. I put in a switch to turn the fans on manually just in case but I’ve never needed to. And it is mini tubbed with 325/15 Mickey Thompson...

Your right dyers asks what boost you plan on running but depending on your motors breath ability you may end up with a little more or a little less. My pulleys were ordered for 8lbs of boost but I got 5lbs. But 5lbs of boost on my dart is more than enough for what I do with it.

I think you can get as much as it’s willing to give till it breaks.

I agree a blower sticking out of your hood is the definition of cool. I know turbos and pro chargers can make awesome power but I’m not into spending a bunch of time and money fixing and re-buying the stuff I already bought after breaking it at the track.

Thanx

It’s a 318 reman block 40 over with a scat 4” rotating assembly with 23cc forged dished pistons, rhs heads, xe284 comp, Hugh rockers, dougs headers 21/2 exhaust, dyers 6-71, 2-750 dp Holly’s, 4-speed, Dana 60 with 4:10 gears.

So I had my car in the shop today to get it tuned by people who do it for a living. When I took it in i told them right off it’s not a race car and I’m not hunting for max hp I just would like it to be dialed in and running great when I get it back. So it runs sweet and I don’t plan on taking it...

Sweet, that is a big hole. Now I just have to make time and make it happen. Thanks.

Did the car have to use a lift off hood to clear the air cleaner? I'm asking because mine sit pretty high an I've been putting off trying to make the hood fit. Mines a 68 dart. I had a guy tell me there wouldn't be much hood left after the larger hole is cut an the hood may bend in the middle...

I have the stage 2 on mine. I originally had it on a single carb smaller supercharger and worked great. I have the same kitt under to 750 dp carbs on a 6-71 that's set up for full throttle before it comes on. I still haven't had my foot to the floor yet. And I have it on a 50/50 mix. But can...

Looks like one of the power valves was damaged. I probably messed it up some how when I was trying to adjust it. I’m more like a monkey in a china shop then a bull. But orielley’s had a couple 3.5 power valves on hand. I swapped them out an adjusted the mix screws some and it’s back up and...

“Wahla” it’s running great. Now I just need to find the time to hook up the a/f gauge an do some tuning. Thanks again!

Thanks Brian6pac that’s the kinda info I was looking for. I’m not sure why it ran for so long the first time an then fouled out so quick after I messed with the carbs. But I was wondering about the pv size I just wasn’t sure exactly how the ref pv manifold pressure thing was supposed to be...

I get what your saying. And I appreciate your input for sure. I am definitely a novice when it comes to messing with carburators. But when I bought this style of carburetor on the specs page it says these are designed to work specifically with roots style superchargers and have a boost ref pv...

Yep you must be doing something right. Yes four corner, I looked at trans slot when I started. And I agree I don’t know why 10.5 pv. I will probably mess with it before next week when I call dyers. I’ll just go back to the start. And try again. I did have one of these carbs on a smaller...

They get there signal from manifold pressure.there made for roots style superchargers 80573S are the carburators I have. All I can figure is I must have messed up some were because it was running way better before. But like a body bomber said and I never thought about calling dyers, they...

That’s a good idea. Being how they said 750 carbs are the way to go I bet your right, thanks I’ll call em on Tuesday after the holidays.

Well I have 6 vac at idle. I ran around town with it an even took it out to thunder mountain to a car show before it started to foul the plugs. It ran super strong didn’t smoke but I kinda thought it still was a little rich. I decided to go back and Make sure the floats just trickled out the...

Do you think 10.5 power seem like to much. The carbs both came with 10.5 power valves in them. Vac at idle cut in half is supposed to give you power valve size right. But what about if your running 2 carbs is that cut in half again? I just fouled my first set of plugs. Power valves don't come in...

I can’t see any numbers but there red if that can tell you anything. I will have to look at the site an see if it says what size there shipped with.

i have 2 750dp Holley part#80573s an they have the duel 50cc accelerator pumps. My question is are these pumps to big? The racier 750dp part#80576s has 30cc pumps and that’s got me to thinking. Should I be starting with smaller pumps. Ive been driving it around town an it’s crazy but may be a...

Right that’s not gonna make any boost. I have everything but the fuel line. I’m just not in any real hurry to mess with the carbs an the linkage just yet. I’m still doing some research, on linkage set up an we’re I will start with the carburators.

I just went ahead and removed them. They are made for superchargers.

Thanks. But I was wondering more along the lines of no choke on the carbs or if most guys leave one. I had one of these carburators on my other little supercharger an never used the choke at all to start it up. As I only drive the car in the spring and summer months when it’s warm out. Also with...

So I noticed with two carburetors side by side one of the chokes touches the throttle of the other carburetor when I put them on. They are 4150 style 750dp carbs with manual chokes. I’m trying to find some info on weather both chokes are removed or just one choke. And if one choke is left on is...

Thanks.

Which pulleys are you guys running on your 6-71's I seen you can run 3" or 2"? How much clearance do you have in front? I have double fans on my radiator I guess if it's to close I can get different ones that push from the front?

So after I install this, an figure out the tune I will post results an let you know how much difference there was between the 2. I don’t plan on ordering it till mid Jan an I’m not sure when I will actually install it. But it’ll be on before summer for sure.