I am going to put the dual quad I have on the wagon. I haven't run a dual quad since I was in high school. They used Holleys and Carters back then. Are Edelbrocks much different? They look inside and out like an old Carter Carb. I have a set of 750's on a custom intake manifold made by Don Hampton in Downey Ca. I had him make it up for me before Edelbrock began making them for the 351 Ford. Might have to downsize the needle valves a bit. Anyway, I want some help tuning them. Gimmie what you got guys. I am going to run them so no "A single four barrel is better!" junk. I just want tuning points. I used to use a couple of vacuum gauges and a tachometer. P.S. No E.F.I. comments either. I can't afford it and If I could, I'd use the MSD bolt on unit. Thanks Dave
You adjust them like a single carb but do everything twice, no kidding. You jet them in half increments compared to a single carb too. Nothing wrong with dual quads but you have way too much carb for a 351 IMO, a couple of Holley 390's would be twice as good.
I had dual Carters on my Rambler Classic 401 cid for 17 years,,built them twice,, I used the vacuum guage and tach( back & forth) several times with engine hot.. Also learned that the standard spark plugs weren't efficient enough to burn all the fuel so via the AMC sites I found to use the GM "rapid fire" plugs, (not to be confused with split-fire plugs) That made a BIG difference in the idle and stayed running upon cold start ups. I had also upgraded to Pertronix ignition. SEE PICShttp://amcrc.com/feature/401_Rambler.html
Ya know buddy I was never a fan of Ramblers but that sure is a sweet cruiser you have there! Looks great and I only have my imagination to tell me how it runs. I did in the old days have a guy who used to like me (Mentor if you will. He let me work in his shop) give me an old Rambler. I didn't know what it was that he gave me and sold it almost immediately. It was Red, White and Blue and was a 4 speed car. The one thing I liked about it was the lever under the dash that you pushed to raise the hood scoop. I was very foolish back then. That Hurst Rambler would been worth a pile of money now! Gawd! I was stupid!
I have a set of 3:88's that I might be running. I also have a set of 4:10's that I won't be running until I change to an AOD transmission. Right now the car sits on a set of 3:00's. My engine is pretty built and I was working on the math for CFM that will allow the engine to breath correctly. With the heads and valves and cam combination in the engine as it sits, I'll need a minimum of 960 CFM at WOT 6000 RPM. My engine will rev to7500 RPM. I figure total CFM needed to be around 1100-1250. I won't be that far off with 1500 and the jetting will make up for some of the extra. As long as it doesn't run lean at sudden open throttle, I think it will be OK. I am going to down size the jets and needles in my carbs and since I have a fairly high stall (3500 RPM) in my converter, I think it'll work out just fine. Plus there is the "WOW!" factor that comes with an older car and a dual quad. Let alone a station wagon! I can always go back to a single carb later if it isn't working out the way I want it to. Either way I am going to do it. Mostly because I have always wanted too! That's what this car stuff is all about. Isn't it? Going to have to change my screen name to,.. Wait for it! "Dual Quad Dave!" Ta Dah! (I like it!)
Appears you've done the homework! Yes, do what you always wanted to do,,, especially to your wagon. The wow! factor is true,, in my case it was: " 2-4bbls on a Rambler" ha ha!.... I kept it 17 years, and drove it weekly to weekend Car cruises and most all knew me by the Rambler... (sold in 2010) Now they know me by the 500 cid Pacer wagon ( bigger ha ha! ):2_thumbs_up_-_anima And on the real hot days we take the Air cond Matador wagon.
I'd love to see the Pacer and the Matador. Holy Cow! All those windows and all that motor?! Sounds interesting. Thanks, Dave
The Edelbrocks are derived from Carters, AFBs I think. I ran AFBs on a tunnel rammed BB Chev when I was a punk. I remember setting the idle stops all the way closed with the linkage loose and the screws just touching the stops, tightened up the linkage and used one idle screw to adjust both carbs, leaving the other backed out. I can't remember if I did idle mixture one carb at a time with the other's throttle shut or not. If you put a gun to my head I'd say they were done independently. Maybe this helps some
There was guy around here with a tunnel ram on a small block Chevy, Camaro. His license plate was DQT, Dual quad Todd
I ran dual Quad Edlebrocks on several 55's and a 57 Chevy. The 55's had 350's and the 57 a 327. When I tried a two four set up on a 1960 Austin Healey Sprite with 327 it seemed to always load up. I think the floats were too high and it happened on fast turns with the short wheel base. I was just a dumb kid so swapped to three twos on an Offenhouser. On any of them I just fooled around with adjustments until they seemed right. I am no longer a dumb kid. I am a dumber grown up who would love to have either set up today.
