Dual Carbs for my 196

The carbs are on but one of them is leaking gasoline. I need to check out the needle and seat. It appears to be hung open.

Here are some pics of my efforts today =.

Placing the plate on the engine. This took some time as I had to make some adjustments to get everything lined up properly.



Then I installed my home made linkage. Everything cleared ok but I need to fiddle with the hookup to the accelerator. I have something in mind to make it work.



Then I torqued down the headbolts holding the plate.



Next I mounted the carbs, and again I had to make some adjustments to get a good fit. It was really close to hitting the heater plumbing, but it is ok.



Then I ran the gas line, vacuum line, and transmission vacuum line. I sort of ran out of time so I quit for the day. All in all I am pleased with the appearance. I will get a lot of pleasure out of opening my hood now.

Looks good! Glad my idea worked for you. You made a much nicer looking implementation than what I threw together way back when!  Mine was much closer to the carbs, but that really doesn't matter. I had left the plate rectangular instead of trimming to fit like you did too -- like I said "thrown together". I had intended to dress it up later, but took it off before I did. Ran it for about a year though. Since I was driving the car everyday the single 2V was a bit easier to deal with, so when I found a good WCD to replace my old worn out one I switched back. No difference in power between the WCD and duals, but the duals sure are better eye candy!!

All metering rod carbs DO have jets. The metering rods go down into a large jet, effectively changing the size of the jet as it does. The smaller step on the end of the rod means more fuel goes around it through the jet, larger step reduces fuel flow. There are usually three steps.

You need to make DARN SURE that the jets AND metering rods are EXACTLY the same size in BOTH carbs. If not, you will eventually burn a hole in a piston -- #6 if the rear carb has a smaller jet/larger metering rod, #1 if the front carb. If you don't cruise long distances a lot it may take a long time for a piston to burn. I had the dual on a daily driver and made runs to my parents home in SC from Warner Robins GA, and from WR to Atlanta sometimes. I was an hour into an Atlanta trip one day when the hole burned in the piston. The problem was one of the carbs (Carter YF, no metering rods) had a jet that was one or two numbers different than the other. Took about four months to burn a hole in the piston.

My new replacement carb arrived and looks good.  I removed the intake plate and resealed it with some Permitex #2.  The new carb works great and resealing the plate solved my vacuum leak.  So now the car runs nice and smooth.  I am so happy.

I used that holly carburetor back in the day and really liked them. That is a slick looking package.