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#1
11-27-2016, 04:37 AM
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Re: 4053 carb
Quote:
According to CRG, 4-digit date codes started during 1973. Holley started making provision for secondary squirter boss in main body during, or after, 1970. So I'd expect the pictured carb (without such a squirter boss) to be early 1970's (1971) rather than 1981 or later, but apparently 1971 predates 4-digit dating?
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Tim in NSW, Australia 1969 Van Nuys 04A Z/28 from Clippinger Chevrolet. Cortez Silver with dark blue interior. Ran at Lions Dragstrip and Pomona Raceway, with paint by Bob Kovacs of Fresno. 
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#2
11-27-2016, 12:07 PM
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Re: 4053 carb
Holley was using four digit dating earlier on Chrysler carbs than it was on GM carbs, just as a fwiw.
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...................... John Brown This isn't rocket surgery.....
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