Holley Carburetors for Model A

[Jeff/Illinois]

Did they cast an 'H' on the upper half and an 'H' on the body for Holley designation, only in mid 1928?? Then went to what 'Zenith 2' in late 1928 to end of production? Can't seem to find this info I thought I had it. Did a search and no luck either. I recall the double venturi was used thru about April or May of '28, then they dropped the little boss for mounting the double venturi after they had gone to the single venturi.

I wound up with a couple of 'H' carbs for Model A's last week and am trying to determine if they are supposed to have forged throttle linkage or stamped steel? Nickel plated brass or cad plate?

Thanks much.

[DJ S]

Sounds like something that would be in the judging standards?? I need to get myself a copy...

[Carb Guy]

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Judging Standards is the place to go.