Re: ZL1 Heads
The '074 heads are quite common these days on eBay. I see
them in unmodified condition often, so I would say that
your heads are going to be difficult to sell in their
highly modified condition. But then, you just never know...
Just for your information, the 3919842 heads were the L/89
heads of most prevalence.
I believe that the '074 heads might have been used in L/89
applications in the early 1970's ( possibly LS-6 ), but I
am not sure about that. Others may know for sure.
Steve
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