273 commando

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65formula

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I found a fairly complete 273 commando with block cast number 2465330-3 and below left side head stamp number A2731022
 
Before 1968 I believe, vin numbers weren't stamped on engines. That is a plain old 273 that could have came out of pretty much any A body. The engine has some value to the right person as well as the Commando components.
 
Before 1968 I believe, vin numbers weren't stamped on engines. That is a plain old 273 that could have came out of pretty much any A body. The engine has some value to the right person as well as the Commando components.
Before 1968 I believe, vin numbers weren't stamped on engines. That is a plain old 273 that could have came out of pretty much any A body. The engine has some value to the right person as well as the Commando components.
What is the casting date on the block ?
What is the casting date on the block ?

A147941D-A97B-47FF-BAFD-1D0F8523E9D3.jpeg
 
Also on the front of the block (near head on driver side) it may be stamped A-273, B-273, C-273 etc.



Alan
 
To confirm it's an actual Commando, you'll have to check to see if it has the 10.5:1 hi-comp pistons, etc, that all true Commando's came with.

View attachment 1715174715
Correct, the blocks, cranks, rods, heads are all the same.
Commando = Pistons, cam, intake, (valve covers, carb, distributor, air cleaner...)


Alan
 
So it’s actually a commando then..?
Cause that’s what it has right now
Appears to be an aftermarket intake on it, but the real test is having the "domed" hi-comp pistons, dual point dizzy, slightly hotter cam, etc, etc. I see in your other thread "31" under "AB", so I believe that indicates the car came with a Commando engine.
 
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Appears to be an aftermarket intake on it, but the real test is having the "domed" hi-comp pistons, dual point dizzy, slightly hotter cam, etc, etc. I see in your other thread "31" under "AB", so I believe that indicates the car came with a Commando engine.
Yes
 
Also appears to have been changed over to the more modern dual braking system. The original would have been a single pot master cylinder. Good feature!
 
Also appears to have been changed over to the more modern dual braking system. The original would have been a single pot master cylinder. Good feature!
Actually no..
The power disc brakes was a dealer option...
On the tag under the letter “C” has the number 5 which is power brakes option

92625FD1-5507-409D-A822-CDF93AE7D019.png


C373D785-555A-4A57-A4F9-731AE83EEB22.png
 
View attachment 1715174723
Also appears to have been changed over to the more modern dual braking system. The original would have been a single pot master cylinder. Good feature!
Also appears to have been changed over to the more modern dual braking system. The original would have been a single pot master cylinder. Good feature!
Also appears to have been changed over to the more modern dual braking system. The original would have been a single pot master cylinder. Good feature!
Also appears to have been changed over to the more modern dual braking system. The original would have been a single pot master cylinder. Good feature!

67A04890-C1D2-47B8-8A96-47AF3387C0C6.jpeg
 
Actually no..
The power disc brakes was a dealer option...
On the tag under the letter “C” has the number 5 which is power brakes option

View attachment 1715174719

View attachment 1715174720
You can have power disc's, but you'll still have the single master cylinder.
Kinda hard to read that, but I still maintain the dual system master cylinder was not available 'til '67...just the single pot unit up to then...

Early Valiant Barracuda Club - dual master cylinder

images?q=tbn:ANd9GcRKNSSiJtpE4a6ONdZ8xGVbuM7v3Ar-zsvbRIR-UYIa1CkD34JL.jpg
 
If you have a snall enough boroscope, you could look through a spark plug hole to see if the piston is domed.
 
disk brake option would have the extended reservoir donut on the MC.
 
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