Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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#467762 03/08/22 11:19 AM
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Rogelio Offline OP
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Hi friends.
This is my 1933 Master Eagle.
At this time it has an engine from 1929 (engine number 835501; production date C.11.9).
Someone offers me a motor with number 837231 and date of manufacture B.7.4. (to see photos).
I guess it's a 207 ci engine with 80 hp that I can install in my car with no problem.
I am right?
Greetings.

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Chevrolet Master 1934
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You are right. It is a 1934 Master engine. parking


Gene Schneider
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Someone went to a lot of trouble to make up that nice test stand

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I thought '34 engines had Side mounts. This engine has a truck 4 speed transmission. Does this explain the absence of the mounts. I see some smooth places on the block. Is this the location of the mounts?
Is that a stock manifold setup? I don't remember seeing it before.

Mike


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I have a 1933 truck engine, and it has the same flat areas where the passenger engine have side mounts. I do not believe that they can be drilled and tapped for the passenger side mounts, as the metal in those pad areas is very thin, and would not hold the threads.

Last edited by jack39rdstr; 03/11/22 06:20 PM. Reason: Sp.

JACK
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The block on the left side does have the raised flat surface for motor mount bracket attachment. The truck just have dimples for hole locaion and can be drilled for motor mount bracket. The truck and car blocks are the same, just that no bolt holes were required for the truck. There are four boss threaded holes required on the left side for the passenger car.
You will need a left and right bracket.The right bracket attaches in the bell housing area. There are little pockets with two bolt holes and the mounts then sit in the little pockets in the frame.
These mounts do not support the weight of the engine but rather the prevent the engine from torque twisting under load.

Last edited by Chev Nut; 03/10/22 09:31 AM.

Gene Schneider
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The car engine had 80 horse power and the truck less. The truck power was reduced at higher engine speeds.
If the engine shown has the truck featues it will have much more power than the 1929 or even the 1933 engine..
The power was reduced by a restrictor built into the insulator between the carburetor and intake manifold. This can be replaced by a non-resticted insulator which is available.
Truuck engines up through had a restrictor used to prevent over reving of the engine through the gears.

Last edited by Chev Nut; 03/10/22 10:20 AM.

Gene Schneider
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Rogelio Offline OP
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Hello friends, thanks for your answers.

Sorry for my poor English, but just to be clear:
1. Can I install that motor and gearbox as it is?
2. If not, can I install the engine with the 3-speed gearbox that my car currently has?
3. If not, do I have to make changes in the engine bay in order to install it?

Greetings.


Chevrolet Master 1934
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You will NOT want to use the truck 4 speed transmission. You should be able to attach your car transmission to this engine, but I am not familiar with bolt patterns for the "housing to engine" or "transmission to housing" in this era.

Mike


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It depends as to what clutch, fly wheel and housing is behind your 1929 engine.
If you have a buit-in free wheeling unit trans. now you will have no problem.
The 1929 3 sped was a very old asion trans. with noisy straight cut gateeth in 1st and 2nd, Te 1933 was more modern with a almost quiet 2nd gear and was syncronized from 2nd to third, etc.

Last edited by Chev Nut; 03/11/22 03:27 PM.

Gene Schneider

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