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#1
06-12-2015, 08:53 PM
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Holley 3878261-EH List-3310 with a date of
035 .... Believe Holley had 2 different ways of dating carbs.. One started in '72 with the Julian system but, prior to 1972 how was (is) one to de-code the earlier Holleys?? Metering blocks are as follows: 5271 front and rear block is 4519 .. I do not have it in front of me, but, does float bowl housing 848N in blackish ink stamping say anything to you ??
Questions are: 035 means what remembering Holleys did not do the JUlian date thing until 1972? 848N on one of the float bowls is consistent with what carb? Thanks gentlemen! Ted in Montreal 
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#2
06-12-2015, 09:00 PM
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Re: Holley 3878261-EH List-3310 with a date of
0 = 1970
3 = March (1-9 = Jan-Sept, "0" = Oct, "A" = Nov., "B" = Dec.) 5 = week Julian dating started somewhere around `71-`72, but I have seen anomalies.
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#3
06-12-2015, 09:24 PM
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Re: Holley 3878261-EH List-3310 with a date of
Thanks VintageMusclecar, was hopin' it was year 1965 ..
List-4555 3972121 023 is another one here. That de-codes as 1970 ? ? Merci! Ted in Montreal
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#4
06-12-2015, 09:58 PM
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Re: Holley 3878261-EH List-3310 with a date of
0 = 1970
2 = February 3 = 3rd week Happy to help.
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