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Fuel Sender OHM rating

BLACK MOON

Well-known member
Joined
Oct 21, 2003
Messages
654
Location
KNOXVILLE, TN
Corvette
15 Shark Grey 3LZ Z06
Does anyone know the ohm range for a midyear fuel gauge? I'm changing all of my 'restored' gauges out to Autometer gauges. They make several different fuel gauges depending on the sender's rating.
Thanks guys.
Sal
 

BLACK MOON

Well-known member
Joined
Oct 21, 2003
Messages
654
Location
KNOXVILLE, TN
Corvette
15 Shark Grey 3LZ Z06
Thank you both.

While I'm asking questions; does anyone know where to buy an aftermarket 5" clock. Corvette Instrument Service shows a silver faced clock with a corvette logo on the face. I'm converting over to Autolite silver faced gauges and would like to find a matching clock.

Thanks again.
Sal
 
Joined
Jan 1, 2002
Messages
7,246
Location
Washington, Michigan
Corvette
'67 Marina Blue Convertible
I'm being told that the sender will have to be changed to a 68 or later unit in order to use Autometer Gauges. Any thoughts?

I'm sure that's correct - the '63-'67 powered voltage-divider fuel gauge circuit was an "experiment" that was dropped at the end of '67 and never used again. The GM-standard simple resistance circuit was used again starting in 1968, and should be compatible with Autometer gauges, assuming the ohm range is the same.

:beer
 

BLACK MOON

Well-known member
Joined
Oct 21, 2003
Messages
654
Location
KNOXVILLE, TN
Corvette
15 Shark Grey 3LZ Z06
I'm sure that's correct - the '63-'67 powered voltage-divider fuel gauge circuit was an "experiment" that was dropped at the end of '67 and never used again. The GM-standard simple resistance circuit was used again starting in 1968, and should be compatible with Autometer gauges, assuming the ohm range is the same.

:beer

Thanks John.
Who has the best prices on electrical equipment like senders?
Sal
 

Ken Anderson

Well-known member
Joined
Jul 1, 2003
Messages
377
Location
atlanta
Corvette
67 & 03
What is the "less than full" issue?
At 90 ohms the dash gauge never quite gets to full . Owners complained, so it was changed to 110 ohms which pegs the dash gauge past "full" without filling the tank to overfull.
 

paul67

Well-known member
Joined
Mar 2, 2003
Messages
1,113
Location
Ontario, Canada
Corvette
1974 convertible
Thanks Ken.

*Edit* - Filled my tank and the gauge does not read full. Never noticed that before.
 

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