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Engine Identify #1333571 Wed Nov 13 2019 02:48 AM
Joined: Feb 2019
Posts: 23
1
1935Masterdeluxe Offline OP
New Guy
I bought this motor and was told it was a 235. The motor has no casting numbers on the block, only the two captain bars above the starter. I know the captain bars are from 261 motors The only numbers are by the distributor, But I can't decode it

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Re: Engine Identify [Re: 1935Masterdeluxe] #1333578 Wed Nov 13 2019 04:07 AM
Joined: Feb 2004
Posts: 19,655
H
Hotrod Lincoln Offline
Boltergeist
The LAQ prefix is for a 1953 235 with a powerglide transmission. Check this website:

http://1954advance-design.com/Stovebolt-engine/casting-numbers.html

Captain's bars don't always mean you've got a 261. The only way to know for sure is to remove the cylinder head and measure the bore size. 235's have a 3 9/16" bore. 261's have a 3 3/4" bore. Both engines have the same stroke, 3 15/16".
Jerry



The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Engine Identify [Re: 1935Masterdeluxe] #1333593 Wed Nov 13 2019 12:37 PM
Joined: Sep 2001
Posts: 29,268
tclederman Offline
Boltergeist
In case you want/need confirmation on HrL's correct information, here is the GM/Chevrolet info/document showing the LAQ serial-number code-preface.

If you want/need further confirmation, post the head & block casting-codes & block date casting-codes.

The "captain bars" over the starter is on that 235 (car-Powerglide) block (with hydraulic lifters). No truck 235s came with hydraulic lifters.


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Engine Identify [Re: 1935Masterdeluxe] #1333608 Wed Nov 13 2019 03:20 PM
Joined: Jan 2001
Posts: 4,876
P
Pre '68 Dave Offline
Shop Shark


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Re: Engine Identify [Re: Pre '68 Dave] #1333609 Wed Nov 13 2019 03:25 PM
Joined: Sep 2001
Posts: 29,268
tclederman Offline
Boltergeist
That link did not work for me, Dave

Here is your blog site.
Identifying a 1953 235


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Engine Identify [Re: tclederman] #1333610 Wed Nov 13 2019 03:26 PM
Joined: Feb 2019
Posts: 23
1
1935Masterdeluxe Offline OP
New Guy
That's the problem, for some reason this motor does not have a casting number on the engine block?

Re: Engine Identify [Re: 1935Masterdeluxe] #1333611 Wed Nov 13 2019 03:28 PM
Joined: Sep 2001
Posts: 29,268
tclederman Offline
Boltergeist
1935Masterdeluxe,

Are you referring to the Engine Serial Number, or, referring to the head and block casting codes at the locations indicated at the link in my post above?


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Engine Identify [Re: 1935Masterdeluxe] #1333623 Wed Nov 13 2019 04:46 PM
Joined: Feb 2019
Posts: 23
1
1935Masterdeluxe Offline OP
New Guy
The block does not have a casting number. Only the serial number by the disturbrator. The head does have a casting number. It's a 848 head

Re: Engine Identify [Re: 1935Masterdeluxe] #1333626 Wed Nov 13 2019 04:52 PM
Joined: Feb 2019
Posts: 23
1
1935Masterdeluxe Offline OP
New Guy
Wow I just read on it, so it mite be a 53 235. I'll need too read more on it thank you

Re: Engine Identify [Re: 1935Masterdeluxe] #1333633 Wed Nov 13 2019 05:30 PM
Joined: Sep 2011
Posts: 583
B
BC59 Offline
Shop Shark
Check way down low on the R.H. side near the fuel pump just above the oil pan.


BC
1960 Chevy C10 driver
1949 GMC 250 project in waiting
G.M dealer tech since 1980 & counting
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