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Good day all. I have a 62 235 and was pocking around the starter and I found on the block just above the starter 2 bars on the block . they are not like the 261 bars as they are less defined and about 2 inches apart. Is this then norm or is it a flaw in the casting ???

John

Might as well ID the engine, John

Find and post the head & block casting codes and date casting codes.

Look for another set of captains bars on the other side of the block. That would indicate a 261

The best way to ID your engine is to tell us what the engine code is that's stamped on the machined surface next to the distributor...

Mike B

oops right! block # is k3769716 ser # next to dist. is T- 666899 which matches the # on the I.D. plate inside the truck and the head is an 848 head .

there are no bars on the opposite side of the block. I have a 261 engine here and the bars on it look nothing like what I have on my existing engine.

I tried to post a picture , hope it comes through.

John

when used in the USA anyway
block casting 3769716 is a 235 truck 1958-62, or a car 1961-62 - almost always with head 3836848

but.... the serial number is not like i would expect
could it be that its a USA cast block that found it's way up into Canada and got a Canadian engine serial.
the serial number format in Canada has virtually no information about the engine, it can be just 6 numbers, or 1 - 2 letters followed by 6 numbers.

if you post a photo of the serial number stamping, i can let you know for sure
GM Canada vs GM USA use different fonts stamps on the blocks, so there is no question who stamped it
do your 6 and 9s curl their tails or are they straight?
-s

The 6 and 9 s do curl their tails and the truck was sold originally in Canada .
The research I've done in the past suggests its a 235 , but I have't seen those bars on any other 235's , they too might be a Canadian thing , I will have to look more closely when I check out other 235 's at car shows .

Thanks John

makes sense, curly end 6, 9s is what the Canadian stamped numbers are like
i would be curious to know the engine color and the model ID tag info, because i haven't seen the T prefix before,
all my trucks engines are numbers only(replacement engine) , X or XC (on original engines).
-s

model C3605 serial no. 2C3605616905B engine no. T-666899 and it's grey
On the tag it says made in Canada also a plate inside says a max gross weight of 7,800 lbs and an outside badge of C 30
My research suggests it was built in Baltimore and only the tag was made in Canada !!!!

John

thanks for the extra info,
i think your research could be correct, until we find the secret canadian engine decoder ring we will never know for sure
-s

What research has lead you to believe it was made in Baltimore?

Here's an example of 1962 Chevrolet US serial numbers;

2C365B100001

2 = year (1962)
C = Conventional Cab with gas engine
36 = Series (3/4 ton)
5 = Body type (Panel)
B = Baltimore
100001 = Unit number starting with 100001 at each plant.

Your model designation would be C3605S here in the US.

C = Conventional Cab with gas engine
36 = GVW classification (3/4 ton)
05 = Body (Panel)
S = 30 Series ordered with optional 7800 pound GVW

I can't help with the engine number other than to say it's not a US format.

Mike B

The above info is the same info I had found leading to the Baltimore opinion. on the same sight I was lead to believe the T on the engine no. meant Tonawanda NY.
I suspect the parts were built in the USA. and assembled in Canada.
In the end I'm convinced its a Canadian 235 but those bars got me stumped if in fact they are bars and no blems from the casting procedure .
In the future I will be checking any stovebolts I see for similar markings .

Thanks John

OK, did a little more digging and found the US serial number break-down to be very close to the Canadian...here's your Canadian serial number break-down;

2 = year (1962)
C = Conventional Cab
36 = Series (3/4 ton)
05 = Body type (Panel)
6 = Cylinders (4, 6 or 8)
16905 = Unit number starting with 00001
B = GVW (6,001 - 10,000 pounds)

Absent of a "plant" identifier it would seem that there was only one plant building trucks in Canada at that time.

Mike B

Those are definitely not captains bars like any which I have seen on either 235 with powerglide nor on 261s.
It should be noted that I have not seen all of them.

Well I guess I'll go with the notion that they mean nothing. Truck still runs , that's all that counts.
Hope to see in Winchester VA.

John