# Horizontal cylinderical fuel tank gauging

**URL:** <https://community.cartalk.com/t/horizontal-cylinderical-fuel-tank-gauging/57234>\
**Category:** Maintenance/Repairs\
**Tags:** gauges, gas-tanks, camry, gasoline, toyota\
**Created:** [November 6, 2010, 3:07pm UTC](https://community.cartalk.com/t/horizontal-cylinderical-fuel-tank-gauging/57234 "2010-11-06T15:07:26Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![DavidKelly](https://avatars.discourse-cdn.com/v4/letter/d/e56c9b/32.png) [@DavidKelly](https://community.cartalk.com/u/DavidKelly)\
**Post date:** [December 6, 2010, 9:49pm UTC](https://community.cartalk.com/t/horizontal-cylinderical-fuel-tank-gauging/57234/21 "2010-12-06T21:49:09Z")

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Not only that, but is the given 20" diameter the inside or outside? Is likely the tank is 3/16" thick aluminum plate.

Pipe convention is that 10" and above is measured on the OD, under 10" is measured on the ID.

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