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Engine number
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andybob21
New User
| Posts: 3
| Joined: 10/12
Posted: 10/08/12 01:48 PM
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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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Posted: 10/08/12 02:08 PM
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Does it have a one piece rear main seal or a 2 piece rear main seal?


Professional Hi-performance engine builder
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andybob21
New User
| Posts: 3
| Joined: 10/12
Posted: 10/08/12 03:40 PM
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How do you tell the difference?
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pepsi1
Guru
| Posts: 1661
| Joined: 09/11
Posted: 10/08/12 06:30 PM
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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
Bob
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pepsi1
Guru
| Posts: 1661
| Joined: 09/11
Posted: 10/08/12 06:33 PM
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P/N 10054727
1986 and UP 2 or 4 BOLT 1 Piece Seal Some Made In Canada
Bob
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andybob21
New User
| Posts: 3
| Joined: 10/12
Posted: 10/09/12 05:39 AM
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So Bob,
Is it a a 1986 and up or is it an 81?
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pepsi1
Guru
| Posts: 1661
| Joined: 09/11
Posted: 10/09/12 06:15 PM
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Ha-Ha it was trans planted...
Bob
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Posted: 10/09/12 09:04 PM
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is there a casting date on it?
bellhousing, on the right side, IIRC

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