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#1304643 03/26/2019 12:15 AM
Joined: Mar 2019
Posts: 24
T
'Bolter
'Bolter
T Offline
Joined: Mar 2019
Posts: 24
So I just got this 1956 3800 pickup and I have a lot of questions. I'll start with just a few.

What size is the engine? I was reading through some posts about size and numbers on parts but I'm still not sure. On the head is a casting number B60 848. On the block lower edge by the distributor, stamped numbers 033125IF5bXB. I guess the lower case "b" could be a "6".

Then a part number for the oil filter and what weight rating for the engine oil was recommended for this engine.
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s-l1600 (25).jpg (142.89 KB, 126 downloads)


Wayne
Turbo4whl #1304715 03/26/2019 4:00 PM
Joined: Sep 2009
Posts: 296
G
'Bolter
'Bolter
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Joined: Sep 2009
Posts: 296
More than likely a 235.
If you look just above the starter, are there 2 vertical bars stamped into the block? If so, it is more than likely a 261.
Also, there should be an engine ID stamped into the block by the fuel pump. Take a few pictures of that side of the engine and post them, you'll get some better assistance.


-Patrick
1953 Chevrolet 3100
261 / 4-speed / 4:11 / Commercial Red

Turbo4whl #1304719 03/26/2019 4:17 PM
Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269
Post the codes from the locations shown on this page.

We can better help you ID your engine, with those codes.

tclederman #1304768 03/26/2019 8:50 PM
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T
'Bolter
'Bolter
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Originally Posted by tclederman
Post the codes from the locations shown on this page.

We can better help you ID your engine, with those codes.

The second number I posted is on the ledge by the distributor. 033125IF5b XB This is a stamped in number, not cast. Located the same place as the green painted engine in the link you posted. I will look for more numbers.




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s-l1600 (21).jpg (228.89 KB, 43 downloads)


Wayne
Turbo4whl #1304827 03/27/2019 3:28 AM
Joined: Mar 2004
Posts: 6,212
M
'Bolter
'Bolter
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Posts: 6,212
Tim, He did give us the engine serial number...

033125IF5bXB

033125I = Unit number starting with 001001
F = Flint
56 = year
XB = 3800 235

Looks like you still have the original engine!

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD
Turbo4whl #1304832 03/27/2019 4:17 AM
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T
'Bolter
'Bolter
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Mike B, Thank you.


Wayne
Turbo4whl #1304843 03/27/2019 11:44 AM
Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269
Yes, thanks, Mike

But, I like to also see date casting codes and the head casting code.

The stamped engine serial number can be changed, and heads seem to be commonly changed.


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