I'm sorry, you are very wrong.
A Bullnose trucks sender and gauge read 70-10 ohms.
A Bricknose (or later) truck reads 16- 160 ohms.
I don't know who told you that, but they are full of *
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.