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| Re: 1973 Cylinder Head |
Subject: Re: 1973 Cylinder Head
by ddgonzal on 2019/9/9 3:55:22
Good questions
* In USA, orginal A12 (1970-1973) was the only A12 ever sold in this country
* Only the 1971 came with closed chambers
* Dual valve springs were not used in USA, but certainly could have been purchased from Datsun Competition and installed. A photo from the side will tell
* Unmarked head is either A12 or A12GX. I see a carburetor peeking out of the edge of the photo with the 1973-or-later anti-diesel valve. It appears to have all the stock 1972/1973 emissions gear
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