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install 32/36 weber carb on 20R?

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install 32/36 weber carb on 20R?

Post by b-real on Sun Apr 07, 2013 1:21 pm

Is there a how to on this? Also how would I tune it? can't find anything on google...

just bought the carb, and came with an adapter plate as well. Is that all I need or am I missing something?

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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Sun Apr 07, 2013 4:09 pm

So all you got was the carb and adapter plate? You also need the throttle linkage adapter, and either the plates to block off the EGR and connect the PCV, or another way to connect the PCV. You also need something for a choke, or live without, as that carb is missing some pieces. I can't tell if it's a DGV (manual choke) or DGEV (electric choke) from the pics. Maybe a shot of the right side as looking at the bottom pic, but check at the base of the carb - it should be stamped in. Either way, you'll have to loop or block the coolant hoses for the "Agua choke" (Weber DGAV is "Agua" choke, perfect for the 20R) from the factory 20R carb. Then you need to pull off all of the vacuum lines and cap a couple spots, or buy pipe plugs to cleanly and permanently remove the unnecessary vacuum fittings.
Answer those questions and I'll add more info.

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Re: install 32/36 weber carb on 20R?

Post by b-real on Sun Apr 07, 2013 7:08 pm

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Gonna be getting a linkage adapter and a EGR block off plate too. the guy I bought the carb from has the them. But no choke. I can do without a choke though? what does it do? sorry, first time owning a carb'd car. ><
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Sun Apr 07, 2013 8:23 pm

That carb is a DGEV. It is supposed to have an electric choke. The hole I circled below will be a vacuum leak. You will also need to wire the choke plate open so it doesn't accidentally close and cause you to run rich.
There are various web sites where you can order the entire (missing) choke assembly if you so choose.
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You said he has the block off plate(s)? There need to be two. One goes on the right side rear of the head where the EGR valve currently is, the other goes onto the intake, between the carb and the head, and should have a fitting to connect your PCV hose to.
You will also need to come up with a way to plug off the A.I.R. pump tube to the exhaust manifold.
this is the 'nuff built version:
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I have built aluminum plates to bolt onto the exhaust manifold to plug the holes as well.


I'm using a "modified" factory air filter with mine.
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Re: install 32/36 weber carb on 20R?

Post by b-real on Mon Apr 08, 2013 2:30 am

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the guy I bought it from gave me stuff to make it like this. would this work for the carb?
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Mon Apr 08, 2013 1:17 pm

That's for a side draft - doesn't do you a bit of good.
I made mine out of flat steel stock - as I did with my block off plates, but out of aluminum, same for the mechanical fuel pump spacer when the phenolic one cracked during R&R.

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Re: install 32/36 weber carb on 20R?

Post by b-real on Mon Apr 08, 2013 1:29 pm

Possible to get a picture of that? I think I saw a pic of it, and it looks like I might be able to just find a bracket from like Home Depot to make it work?
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Re: install 32/36 weber carb on 20R?

Post by b-real on Mon Apr 08, 2013 2:46 pm

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I'm guessing this is supposed to be the 2nd EGR plate you were talking about? This photo I found on google and it says it's off a early 22R. I took a pic of my engine and I don't have anything like that...

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I'm guessing I should be able to just take those hoses off, and uncap them if they are EGR related?

As for the fuel pump one I've heard of, my car currently has a electrical external fuel pump running it.
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Tue Apr 09, 2013 1:17 pm

Yeah, I'll get you a pic today.
So you don't have EGR? Do you have an A.I.R. pump?

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Re: install 32/36 weber carb on 20R?

Post by b-real on Thu Apr 11, 2013 2:00 pm

ok, so i just took some pics of my carb and the exhaust manifold side so you can see what i see, lol.

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also, I think i was scrolling though google looking at carbs or something. and they said since if it's an electrical choke, you can just hook it up to a constant 12V to have the choke stay open? but i don't see any electrical connectors or pins...
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Fri Apr 12, 2013 12:48 pm

It looks like that WAS a "water choke" that has severely eroded!
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The 12mm bolt there needs to be loosened, then you can turn the choke housing to open the choke.
You do have an A.I.R. pump line into your exhaust manifold.

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The linkage to the left there that connects the piece from the firewall to the carb is the one you need to duplicate, but it needs to be longer for the Weber carb.

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Re: install 32/36 weber carb on 20R?

Post by b-real on Fri Apr 12, 2013 2:17 pm

If I decide to wire the choke open on the weber carb. how would I do this? and also would there be anything bad from keeping it open? and since the stock choke on it now is done, I'm guessing I should open the thing up and open it anyways then?
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Sat Apr 13, 2013 9:11 pm

I guess being in Hawaii you really don't need a choke, so yeah, just wire it open. On the factory choke, just turn the housing until it's open.

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Re: install 32/36 weber carb on 20R?

Post by b-real on Sun Apr 14, 2013 1:57 pm

Ok so looking at it closer the previous owner had already removed it on purpose, and put a rubber hose in there to keep the choke open already. the previous owner liked modifying cars as well.

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Also if I was to keep it open all the time, does that mean I would also just remove those two plates entirely?
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Sun Apr 14, 2013 3:43 pm

Yes, and grind the end off of the shaft and remove it too. That's the way mine is.

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Re: install 32/36 weber carb on 20R?

Post by b-real on Sun Apr 14, 2013 5:25 pm

Mmm. In that case might pick up a $25 carb that already has it removed. Might need a rebuild for $25 he said. How hard is it to rebuild a carb?
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Mon Apr 15, 2013 1:54 am

Very easy. There is almost nothing to a Weber. Now if you were talking about a factory carb, I'd say VERY DIFFICULT!

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Re: install 32/36 weber carb on 20R?

Post by b-real on Mon Apr 15, 2013 3:05 am

Nvm it got sold. Sad. Probably going to leave it there for when I sell it to go sidedrafts. When I get a linkage adapter made it will go in! Guessing it's possible to buy separate?
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Re: install 32/36 weber carb on 20R?

Post by pshean on Tue Apr 16, 2013 3:04 am

somewhat related to this topic, i have a stock 20r water choke carb. i currently have set a side a 32/36 DGEV Weber. im also looking for the easiest way to block off the water passages. i have a 77 corona wagon and the vacuum distribution unit and smog hardware has all been removed. also, I will be in need of throttle linkage. where should i be able to find a linkage conversion to satisfy this new carb from the factory linkage mounts? thanks.
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Tue Apr 16, 2013 3:12 am

I'll take a pic of the linkage piece I made tomorrow for both of you.
pshean, you can either loop heater hose from-to the existing fittings, or (carefully) remove the fittings and replace with pipe plugs.

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Re: install 32/36 weber carb on 20R?

Post by pshean on Tue Apr 16, 2013 9:40 pm

alright. i was just wanting to know how to cleanly delete that hose. i think blocking it will look better if done right.
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Re: install 32/36 weber carb on 20R?

Post by b-real on Wed Apr 17, 2013 3:55 pm

called a local performance shop down here, and they have the throttle linkage adapter, but it's $35...pics of the one you made????
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Re: install 32/36 weber carb on 20R?

Post by a2ndopinion on Fri Apr 19, 2013 10:43 pm

Sorry, been busy!
Steel stock, I don't remember if from The Home Depot or maybe my local Ace. This one is about 1/4" too long, as the linkage touches the firewall.
I drilled the two holes all of the way through, then a hacksaw to cut the groove. I didn't worry about a slotted hole for the throttle shaft, just tightened the nut enough to hold it.

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Re: install 32/36 weber carb on 20R?

Post by b-real on Sat Apr 20, 2013 12:44 am

touching the firewall? that thing looks perfect. 0_o might go make one, or just pony up and get the weber one from the performance shop.
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Re: install 32/36 weber carb on 20R?

Post by b-real on Mon Apr 29, 2013 6:39 pm

finally got the thorttle linkage adapter kit. hopefully go on soon...
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Re: install 32/36 weber carb on 20R?

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