Re: switchover to the LS6
It looks like there was an Overlap for the 1970 Chevelle,for both of those engines.
But for that date,I would think it would have to be a Nova or Camaro.The Chevelle didn't get it past Nov.-EARLY December 69 as of right now.
CKO code was shared by all 3 cars w/L78 w/man.trans for 1970.
Did you check by the oil filter pad for a VIN# stamping?
What is the Tonawanda build date before the CKO code?
If no VIN#,then possibly one of the 401 service engines?
Rick
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