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  #1  
Old 11-11-2008, 12:11 AM
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280S Toyota Carb Project

Hello, i am interested on installing a Aisan 2 BBL carb instead of the Solex 4A1 to my Mercedes Benz 280S 1976, i don't have the resources to install a Weber 38 DGAS, however i work at a spare parts dealership here in Honduras and the owner is gonna give me the Aisan 2 BBL for a toyota land cruiser with a 2F engine. I asked for this carburetor because for this car Weber also uses the 38 DGAS unit on their kit, i figure both the mercedes and the 2F consume about the same CFM (the 2F being larger displacement but lower revving)

My question is concerning as if someone here has done some similar setup that maybe help me figure how to make a conversion plate how to mount this carburetor on my manifold.

Regads,
Gerardo Paredes
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  #2  
Old 11-11-2008, 06:46 AM
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You can make a plate from Thick aluminum or check jc whitney in the us for cheap adaptor plates. I don't know for sure if they will ship to you though.
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  #3  
Old 11-11-2008, 07:40 PM
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will it work?

do you believe it will work, since the 2F its a 4.2L engine and my M110.922 its a 2.8?
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  #4  
Old 11-11-2008, 08:10 PM
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If it'll suck air and mix it with fuel in a reasonably combustible quantity into the engine, it'll work.
Tuning it to run correctly will be a little job. I assume jets and such are available for this carb you want to use? Even with the lower RPM in the 4.2 I would guess the difference in fueling requirements will be quite a lot between the two.
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  #5  
Old 11-12-2008, 01:17 AM
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Jet sizes

Yes i can get every jet size i can imagine, since this is an Aisan unit, every jet from the ones used in a corolla to this landcruiser. I will check what jet sizes the carb originally comes and will post them here.
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  #6  
Old 11-12-2008, 07:28 AM
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Here's an old picture of my '74 280C project car with a Motorcraft 2BBL installed. It's still on it and I drive it two or three times a week. It's destined for a Megasquirt TBI conversion in the near future.

Keeping the throttle linkage as stock as possible is a must! The transmission shift points are controlled by the rod running across the top of the engine.

280S Toyota Carb Project-motorcraft-2bbla.jpg
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  #7  
Old 11-12-2008, 02:41 PM
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Nice picture. mine is manual 4 speed car, so i won't have any problems with the shift points. How much fuel economy do you got with that carb?
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  #8  
Old 11-12-2008, 03:37 PM
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I don't drive the car far enough to give you any sort of decent MPG estimate. I'd guess between 13.5 and 15 MPG.

I used an off the shelf 4bbl to 2 bbl "spreadbore" conversion plate. I had to enlarge the two rear holes to match the manifold flange. Use the stock phenolic spacer between the manifold and the adapter.
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  #9  
Old 11-15-2008, 10:14 PM
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This Asian carb is a progressive 2-bbl, right?
(That means both butterfly plates open at the same time)
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  #10  
Old 11-16-2008, 01:54 AM
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Quote:
Originally Posted by Mike D View Post
Here's an old picture of my '74 280C project car with a Motorcraft 2BBL installed. It's still on it and I drive it two or three times a week. It's destined for a Megasquirt TBI conversion in the near future.

Keeping the throttle linkage as stock as possible is a must! The transmission shift points are controlled by the rod running across the top of the engine.

Attachment 60847
I have a spare kjet manifold for a m110 .It has a throttle in the manifold and the whole lot sits lower than a carb manifold.
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  #11  
Old 11-19-2008, 02:00 PM
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I guess a chevy TBI for a Chevt 2.8L fits nicely in there, and using Megasquirt control unit!!!!, but my resources are limited so the Aisan 2BBl its going to be my way to go for know.

Regards,
Gerardo Paredes
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  #12  
Old 11-19-2008, 05:32 PM
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GThose carbs are not veery good which is probably why it was removed from the cruiser. They are cheap enough,so if you get it hooked up ( not easy because they use a cable linkage) get it running then buy a new one from the local toyo agent.
Because it's progressive ,it won't use any more fuel unless you give the gas all the time.
You don't need an expensive adaptor plate ewither. The solex sits on a plate for the manifold heat,you can drill holes in that and use it for your toyo carb or..you can make one from plywood!. Yes it works!! I have seen it done often to insulate carbs from engine heat to get rid of vapour lock issues. Just use a piece of 3/4" marine ply or construction ply and you are in business.
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  #13  
Old 11-19-2008, 05:42 PM
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I intend to use a fully rebuilt carb, since i work at a spare parts dealership, they are bought directly from japan. I expect no problems, stay tuned for the pictures.
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  #14  
Old 11-19-2008, 06:18 PM
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carbed v8?

anyone ever heard of someone ditching the computer on a fuel injected mercedes v8 and adding a plate and carb?

or is that the stupidest thing you've been asked today?!

(just an idea that runs thru my head sometimes when i'm cussing at the d-jet system on my 4.5 v8)
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  #15  
Old 11-19-2008, 09:15 PM
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i guess that idea just doesn't run only thru your head, but also over all the Solex users out there
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