Re: Correct Water Pump - 1970 L78?
 

Hmmmm, just to make sure and to double check the casting numbers on the 70 L78's, I just went back to both of my reference books, including Colvins, and it states that the early 70 BB's used the 065's.

Re: Correct Water Pump - 1970 L78?
 

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By the way Sam, what is the build date of your car, and the assembly date of the L78? I will keep my eyes open for you.

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Tony, Car is an 01C, and the L78 CKO engine was assembled in Tonawanda Dec 19 (T1219CKO)

Thanks

Re: Correct Water Pump - 1970 L78?
 

A November casting date would also work.

Re: Correct Water Pump - 1970 L78?
 

I think Alan has since revised that statement.
It was discussed on one of the Websites in the Winter,and no one was able to find one dated Past early 1969.
I would guess that they did use up #065's inventory on the later 69,early 70 BB vehicles,as they ALL used that design pump.
My Oct.69 built L-78 Chevelle & all the ones I have complied a database from had #811's,as well as the LS-6's I could document as original equipment.
The pump I mentioned earlier I have is Dated Dec.17,1969.