Quote:
Originally Posted by MosportGreen66
The ad isn’t totally wrong. The 842 is a well known application on the early L89s. It did not have a plug on the face of it. Easy to tell the difference (amongst others). The 074 was used in non early production.
Dan
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I would argue that 074 were used on 69 L89s. I believe that 842 were the only aluminum head used on L89 corvettes in 1969 and the newest 69 NCRS judging guide does as well.