84 Pontiac FBody Factory Temperature Guage Issues

Two Issues.

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FIRST: My guage has read low for many years now and thought I'd investigate further and perhaps try a new sender.

The guage has three temps: [ 100 | 210 | 250 ] equaly spaced, 210 dead in the middle and a hash mark between each #. I always run a standard

195F TStat (changed a couple few times in the life of the car). I'm pretty sure the water temp is running 195+ish.

For as long as I can remember the needle is always right on the hash mark halfway between 100 and 210.

Is that normal? Or would that be registering about 155F? My experience with a couple of older GMs with factory guage is that w/ age they have read low and can be fixed with a new (and correct) sending unit.

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SECOND: I picked up a Wells (TU66) at Autozone. But once home noticed that it has a spade connector. The original has a round connector (not a barrel) that the connector slides over from the side.

I'm willing to cut off the factory wire connector and add a common spade female connector to the wire. But I'm curious if anyone has had any issues with calibration on replacement sending units.

Part of the reason I ask is that I've had challenges in the past finding correctly calibrated senders on older Chevys from 60s 70s w gauges - Delco service replacement senders being particularly innaccurate before finding one that was calibrated correctly.

Reply to
loadhawg
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If that is a v-6 'Bird.. then the hash mark should be about right temperature-wise.. thats where it sits on my Camaro.. not on my v-8 cars... its much warmer.

-Geno

1985 Blue Camaro 2.8L auto w/T-tops 1985 Brown Firebird 5.7L (360) 5-speed no T-tops 1988 Blue Firebird Formula 5.0L auto w/T-tops
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check it out. 2002 Black Trans Am 5.7L LS1 auto w/T-tops
Reply to
KITTvsKARR

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