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Unread 08-14-2013, 03:17 PM   #1
MudLover
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Weber on 360?

Hey guys! Just getting back into the CJ game after about 8 years away from it. I picked up a 79 CJ5 with a 360 in it. I just ordered the rebuild kit for the Motorcraft 2150 it has on it. I just found the Weber I had on my last CJ. Anyone been able to adapt the Weber to the 360 or is it reserved just for the 258?

Thanks!

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Unread 08-14-2013, 06:21 PM   #2
superj
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You can put any carb on any engine. Just make sure you know your not running to lean
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Unread 08-14-2013, 07:08 PM   #3
swatson454
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That's an awfully small carb for a 360.
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Unread 08-15-2013, 04:24 AM   #4
John Strenk
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Quote:
Originally Posted by swatson454 View Post
That's an awfully small carb for a 360.
Not if he puts enough of them on.

I think a pair of IDA's would work great.

I often wonder though, some 304's came with the BBD, Anyone try a Weber 38 on one of those?
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Unread 08-15-2013, 07:12 AM   #5
superj
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i took a two barrel of a dodge 340 and bolted it to my jeep and it worked great. a little tuning with the vacuum gauge and my gas mileage went from single digits to 13 and my jeep would smoke the tires through the intersection if i stomped on it. (i have an automatic, by the way) after a while, the carb started getting white powdery deposits so i pulled it to clean and rebuild again and the mixture screws snapped off. that is what led me to swap to a holley four barrel, or i would still be running that badass two barrel that came off that old dodge motor.

but, point of message, they put little two and one barrels on big ol' v8s from the factory so you can too, just make sure and read your plugs so you don;t run to lean or rich and burn stuff up.
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A cowardly leader is the most dangerous of men- Stephen King.

"Just because something isn't a lie does not mean that it isn't deceptive. A liar knows that he is a liar, but one who speaks mere portions of truth in order to deceive is a craftsman of destruction". --I am not sure who said this but it properly describes our president.
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Unread 08-15-2013, 08:53 AM   #6
uptillnow
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Quote:
Originally Posted by MudLover View Post
Hey guys! Just getting back into the CJ game after about 8 years away from it. I picked up a 79 CJ5 with a 360 in it. I just ordered the rebuild kit for the Motorcraft 2150 it has on it. I just found the Weber I had on my last CJ. Anyone been able to adapt the Weber to the 360 or is it reserved just for the 258?

Thanks!
I found this adaptor, and a 1/4" thick mounting gasket that will adapt your 38-DGES to the MC2100 mounting flange.

I agree with Shawn, this Weber 38-DGES and the MC2100 are a little small for higher RPM range, although both are very tunable and will work GREAT for lower RPM's. Lots of torque.
The 38-DGES and the MC2100 are the same size, so if you have a Weber 38-DGES, and don't want to, can't, won't rebuild the MC2100 use the Weber.

Good Luck with your conversion,
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Unread 08-15-2013, 08:56 AM   #7
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Whooops...
I had to decrease the size of this picture for it to upload.
Here is the adaptor for the Weber to the MC2100 mounting flange.
UPTILLNOW
99004.457-1-cropped-rsi.jpg

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Unread 08-15-2013, 09:57 AM   #8
John Strenk
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Originally Posted by uptillnow View Post
Whooops...
I had to decrease the size of this picture for it to upload.
Here is the adaptor for the Weber to the MC2100 mounting flange.
UPTILLNOW

learn something new every day.
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Unread 08-15-2013, 10:01 AM   #9
swatson454
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I wonder what idle speed you can get before exposing the enrichment holes. I bet it isn't much.
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Unread 08-15-2013, 10:11 AM   #10
superj
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you can put a snorkel on the weber also. redline weber sells a snorkel kit for their webers so if you worry about high water crossings, that is the only kit i have found to put a snorkel on a carb
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A cowardly leader is the most dangerous of men- Stephen King.

"Just because something isn't a lie does not mean that it isn't deceptive. A liar knows that he is a liar, but one who speaks mere portions of truth in order to deceive is a craftsman of destruction". --I am not sure who said this but it properly describes our president.
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Unread 08-15-2013, 12:09 PM   #11
John Strenk
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Quote:
Originally Posted by swatson454 View Post
I wonder what idle speed you can get before exposing the enrichment holes. I bet it isn't much.
the Carter BBD I took off a V8 had holes in the throttle plate:



Not exactly something you would need a pin drill to make...
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Unread 08-15-2013, 12:53 PM   #12
arkiemurph
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Find ya a quadrajet! Small front, big secondaries when you need them, and a good off-road carb.

Murph
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Unread 08-15-2013, 02:08 PM   #13
uptillnow
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Originally Posted by swatson454 View Post
I wonder what idle speed you can get before exposing the enrichment holes. I bet it isn't much.
I think you may be onto something here.

The 38-DGES throttle plates "NEED" to be below the enriching holes.

The MC2100 is not as sensitive and could get a little more idle speed than the 38-DGES.

Because you have a 38-DGES, you would be the one to find out the answers to these questions.

Certainly there are bigger carburetors than these, they will work great.

UPTILLNOW

P.S. Drill some holes in the throttle plate like John's picture shows..
(Blasphemy, I tell you.)
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Unread 08-15-2013, 05:15 PM   #14
swatson454
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Originally Posted by uptillnow View Post

P.S. Drill some holes in the throttle plate like John's picture shows..
(Blasphemy, I tell you.)
I bet that communist trick would work pretty well in this application.


Shawn
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Unread 08-15-2013, 05:30 PM   #15
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i bet that communist trick would work pretty well in this application.


Shawn
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