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Pedigo Perf · 08-12-2018, 10:42 AM

In 1970 Chevy offered the aluminum head as a factory option on the big blocks. This change is consistent with the other years with FACTORY optional aluminum heads.

I don't know how it helps, but I have 200 pounds of lead for sale if you know anyone interested.

08-12-2018, 10:42 AM	#4
Pedigo Perf Member Join Date: Feb 2008 Location: Wichita Ks Posts: 383 Likes: 63 Liked 31 Times in 18 Posts	Re: how does this help? In 1970 Chevy offered the aluminum head as a factory option on the big blocks. This change is consistent with the other years with FACTORY optional aluminum heads. I don't know how it helps, but I have 200 pounds of lead for sale if you know anyone interested.