Venturis have no sizes marked

[fourtravis]

I have pulled both Venturis out of my 48 IDF and can't find any size markings on them any where. Any help would be appreciated.

Thanks
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71 Ghia Vert, 69 VW Bug Vert

[jsturtlebuggy]

If they are not marked, you are going to need to measure them.
Calipers are a simple way to check. The ones you can get at Harbor Freight will work.
Other way to check is dial bore gauge.
I sure someone else has a different way of checking them.
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Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960

[fourtravis]

Thanks, just to be clear do I measure at the widest part of the throat?
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71 Ghia Vert, 69 VW Bug Vert

[bugguy1967]

The narrowest. The widest part will be the same for all venturis.