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Engine number

 
andybob21
I love my Chevy Chevette!
Posts: 3
Joined: 10/12
Posted: 10/08/12 01:48 PM

I am wanting to know the exact year my engine was built.  I looked up the casting number 10054727 and the site I was using said it was an 86 and up cast.  So then I looked up the number underneath the alternator K0717UKA and it said it was a 1981.  Which number is correct and what year was the engine actually made?  A local mechanic told me it was a vortec engine but he wasnt sure what year.

Thanks,

andy  

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Pontiacman2
Moderator
Posts: 8956
Joined: 09/08
Posted: 10/08/12 02:08 PM

Does it have a one piece rear main seal or a 2 piece rear main seal?  
Pontiacman2
Pontiacman2

Professional Hi-performance engine builder

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andybob21
I love my Chevy Chevette!
Posts: 3
Joined: 10/12
Posted: 10/08/12 03:40 PM

How do you tell the difference?  

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pepsi1
I mow my lawn and find Chevys
Posts: 1718
Joined: 09/11
Posted: 10/08/12 06:30 PM

andybob21 welcome to CHP:

K0717UKA

K=Kansas City Assembbl Plant

07=7th Month=July

17=17 Day of July

UKA
Year   Engine   Application   Horse Power   BBL    Vin       Veh        
1981    350     Conv,Cab,      150          2     PLF5    C-30, 3500 159.5WB  
               Man/Trans A.I.R.                          

See Below Grin  Cool

Bob  

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pepsi1
I mow my lawn and find Chevys
Posts: 1718
Joined: 09/11
Posted: 10/08/12 06:33 PM

P/N 10054727

1986 and UP  2 or 4 BOLT  1 Piece Seal Some Made In Canada

Bob  

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andybob21
I love my Chevy Chevette!
Posts: 3
Joined: 10/12
Posted: 10/09/12 05:39 AM

So Bob,

Is it a a 1986 and up or is it an 81?  

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pepsi1
I mow my lawn and find Chevys
Posts: 1718
Joined: 09/11
Posted: 10/09/12 06:15 PM

Ha-Ha it was trans planted...

Bob  

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68scott385
I mow my lawn and find Chevys
Posts: 1994
Joined: 10/09
Posted: 10/09/12 09:04 PM

is there a casting date on it?

bellhousing, on the right side, IIRC  
68scott385 68scott385 68scott385

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