McCormick Deering manifolds

Was an upright exhaust an original option on 10-20"s and 15-30"s? And were there diferent styles of manifolds depending upon the year? I have 2 10-20"s which i think are 1929"s but the manfolds look somewhat different. Any info would be greatly appreciated.
thanks

I have a 1929 10-20 and I have read in something that there are different manifolds for them, intake is two or three bolt carburators, exhaust i am not sure on, mine has the muffler layin down. You woudnt happen to know where a guy could get a carb and a mag for one would ya? BOB

Bob,10-20 carbs should be easy to come by on ebay

jimmy

it was an option called a robin manifold. it had the exhaust going up and used an updraft carb.to get more power.the intake and exhaust manifolds and carb was a kit.the robin name was cast in the manifold.talking about carbs, i bought one here in the parts ads for 100.00 for my 22-36. the guy said it was good shape but when i got it it was all worn out. the top mixture adjustment threads were all stripped and the throttle shaft all worn out.carb basically useless.that kind of gets to me guys pullin off parts and selling them and they have no idea what they have or if its good but ask a rediculous price. not mentioning names but i hope he reads this.

Any upright exhaust is not original equipment on any 10-20 or 15-30. They were all aftermarket. As mentioned Robin was one as well as Heisler that built these.

Go ahead and Mention names, we need to separate the wheat from the chaff.In these hard economic times we dont need people doing like that. CC

Ive seen some that eit through the firewall. Was that after market too?

The type that exit through the firewall on 10-20s and 15-30s were factory. They were used in 1927 into 1929. These type are usually modified because they have a thin sheet metal muffler in between the manifold and the elbow on the firewall which usually rots out and is replace by a peice of pipe. Very rare to find a good muffler on one of these.

(quoted from post at 07:54:42 05/13/09) The type that exit through the firewall on 10-20s and 15-30s were factory. They were used in 1927 into 1929. These type are usually modified because they have a thin sheet metal muffler in between the manifold and the elbow on the firewall which usually rots out and is replace by a peice of pipe. Very rare to find a good muffler on one of these.

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Perhaps I'm thinking only of the 22-36 15-30s, but I thought '29s went right out the side curtain.

Still wouldn't be factory correct for a tractor, but didn't the P30s and P300s have gas manifold option that exhuasted through the hood? Of course, I'm not sure who built these manifolds for IHC at that.

all the 10-20 15-30 22-36 the exhaust exited out the left lower side panel. my 10-20 is a 1938 and it exits out the bottom. it was not till the next model change that the exhaust went out the hood, such as the w30.

Don't know if this will help but on 15-30 and 22-36 they came out the left side curtation from factory. Heisler made a mainfold that came out thru the hood I think it had a three bolt side mount carb. The factory had a two bolt carb. They made a p 300 powder unit that had the stack out the hood with a zenith updraft carb that was the same engine and verible gov. that was the same engine as a 22-36.

I'm with Mike on the early ones coming through the firewall instead of side curtain, but that still means an aftermarket or power unit manifold if it's coming out the top.

That does make one wonder though, if occasionally a dealer made the conversion [manifold, governor, or both] before the tractor ever left their lot.

The one '29 that i have is missing the bottom piece but it looks like it headed right through the firewall because there is a good size hole that lines right up with it. The hole looks really rusted and worn like someone possibly ran it with out the muffler for a while. Are there any parts books out there that show the different variations?

Spent a good 10 years on my father's 1929 10-20. It had the little muffler under the hood, and the pipe came out THROUGH the firewall. A dangerous arrangement. I witnessed an accident when one of these tractors was being gassed up with the engine running. The fuel spilled over the top, ran down over the exhaust pipe and whoosh! the tank went up like a torch. Bad memory.
I have seen other tractors from this series that had somewhat different exhaust arrangements, including--as I remember--TWO exhausts coming through the left hood down low IN FRONT of the firewall.
I have old catalogs from aftermarket suppliers that tout manifolds that have a vertical exhaust but allow the use of the original side-draft carburetor. One of the reasons for this conversion (besides the replacement of a burned-out manifold) was to give a little more power on gasoline, via a "cold manifold." The originals for 10-20, 15-30/22-36, Farmall, F-20 and F-30 were all designed primarily for kerosene or distillate. These require a good hot intake manifold to make this stuff vaporize well. Gas does not need this, and would, I understand, give less power if used in a hot manifold. A number of these tractors had provision for using the manifold either "hot" or "cold." The
F-series had a lever that, in the cold position, blocked most (all?) of the exhaust heat from hitting the intake manifold directly. By the time I got to using an F-20, mid-way through WWII, this lever had rusted fast in the "cold" position. NOBODY by then wanted to use kerosene, so the lever never got moved. I tried kerosene once for half a day on our 10-20, and vowed never to even think about it again (it"s a real pain: start on gas, heat up the engine, switch to kerosene, keep the radiator covered except when working hard, to stop, turn off kerosene and run carb dry, because kerosene won"t start cold). I THINK (but can"t prove this one) that the 10-20 and 15-30 manifolds may have had a baffle that could be unbolted and turned around to give the "hot" or "cold" position. Some of you fellows who are current on these old birds can tell us more about this.

I know the 22/36 15-30s (and perhaps somewhat earlier) had the bolt on baffle the arrangement you note [and exhaust out the side curtain just forward the firewall]; I believe the 10-20 had a similar manifold (without water injectors though) available.