Carb Jet thread size?

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gyoungwolf
Posts: 157
Joined: Sat Nov 14, 2015 6:34 pm

Carb Jet thread size?

Post by gyoungwolf »

I have noted that the metering jets in the 4100 series carbs changed size from small (Holley style) to large (Autolite style) somewhere in the production. Wondering if anyone knows which was the first year for the larger jets? (I have '61 and '62 carbs with the smaller size).
Thanks
Grant
(finally getting my car back next week after almost 2 months in the top shop - Just in time for top down weather in FL!).
"The Carbmeister"
1962 Light Blue Convertible
1972 Caddy Hearse (for sale)
2005 Jag XK8 Convertible
2006 Silverado RST Intimidator SS
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