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Rebuild of 31 engine in a 34 pickup
#1359142 Thu May 07 2020 09:11 PM
Joined: May 2020
Posts: 8
J
New Guy
Does anyone know if a 33 head will fit on a 31 block?

Re: Rebuild of 31 engine in a 34 pickup
James McKean #1359362 Sat May 09 2020 03:23 PM
Joined: Apr 2005
Posts: 2,593
C
Shop Shark
Chevy used the 194ci engine from 1929-33 so it should fit.


Evan
Re: Rebuild of 31 engine in a 34 pickup
James McKean #1359385 Sat May 09 2020 06:19 PM
Joined: Jan 2001
Posts: 5,005
P
Master Gabster
1933 came in both Standard and Master, as well as truck. I know the standard has almost nothing that interchanges with anything else.
I am not by a parts book, but a look at head gasket interchange should answer it.


See the USA in your vintage Chevrolet!
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Re: Rebuild of 31 engine in a 34 pickup
James McKean #1359451 Sun May 10 2020 02:42 AM
Joined: Mar 2004
Posts: 4,602
M
Shop Shark
As long as the head is casting 836961 it should work (this was used in the 1933 Masters and Trucks), the 1933 Standard CC is the only one from 1929-33 that uses a different head gasket...'34 and up are also different.

Since the actual heads changed almost every year form 1929 thru 1936 for various reasons, you will also need the 1933 head bolts (4-5/16") which are longer than the 1931 (4-1/8")...

Mike B smile

Re: Rebuild of 31 engine in a 34 pickup
coilover #1360203 Thu May 14 2020 02:23 AM
Joined: May 2020
Posts: 8
J
New Guy
Thanks I'm just get started on the pickup lots of stuff to find out when it comes up.

Re: Rebuild of 31 engine in a 34 pickup
Pre '68 Dave #1360206 Thu May 14 2020 02:35 AM
Joined: May 2020
Posts: 8
J
New Guy
Thanks for the help unfortunately I've thrown out the old gasket so what would be the best way to find the right gasket for the head.

Re: Rebuild of 31 engine in a 34 pickup
Mike B #1360208 Thu May 14 2020 02:51 AM
Joined: May 2020
Posts: 8
J
New Guy
Thanks for the info, I'm waiting for the head I found to get here before I'll be able to know what the casting number is for sure. I was told it was from a 33 but until it arrives I guess it's a hope and a prayer it's going to be right. Thanks again.

Re: Rebuild of 31 engine in a 34 pickup
James McKean #1360462 Fri May 15 2020 09:58 PM
Joined: Feb 2001
Posts: 1,124
D
Shop Shark
OK, new rule ..... Never throw any thing away until the restoration is completely finished .

Re: Rebuild of 31 engine in a 34 pickup
James McKean #1360470 Fri May 15 2020 10:29 PM
Joined: May 2005
Posts: 7,339
B
General Purpose
The old rule is never throw anything away.


I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.


Re: Rebuild of 31 engine in a 34 pickup
bartamos #1360499 Sat May 16 2020 01:34 AM
Joined: Mar 2010
Posts: 9,385
5
Master Gabster
Ever!
Been burnt too many times to count, and I don't throw anything away. I do have a wife...

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