Need 1/8" Pipe thread temp sender compatible with stock gauge
2003 5.3
1971 Blazer Autometer 2277 adapter-goes into head on pass side and has 1/8" thread port for sender----1/8" NPT Female to M12x1.5 Male http://www.autometer.com/cat_accesso...il.aspx?vid=61 What I am looking for is a 1/8" sender that will screw into the adapter and be accurate for the stock Blazer gauge. The Autometer site sez "If using with a Short Sweep Electric Temperature gauge, sender #2259 is also required." http://www.autometer.com/cat_accesso...il.aspx?vid=33 Will this sender correctly operate the factory gauge? If not, Autometer sells others or another 1/8" sender might work. Anyone know? I am not looking for other alternatives such as drilling and tapping the head- I only want to now about a sender--Thanks! |
Re: Need 1/8" Pipe thread temp sender compatible with stock gauge
I just tapped the passenger sides head to fit my autometers slightly larger sender size. Magnet, some grease, and a lot of care to pull the metal out of the hole while drilling. Factory sender is in the drivers side head for the efi...so yes I have 2 senders! :lol:
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[QUOTE=69CST6.0;5931962]What was the magnet for?
The real question is, what does a magnet do to aluminum shavings? Anyone know where I can find out about compatible 1/8" senders to the 1971 gauge? |
Re: Need 1/8" Pipe thread temp sender compatible with stock gauge
I'm using #2259 on my 71, and everything seems to be working fine. I got the Idea from others using it as well, and never noticed that it said only works on 95 and newer guages until I read the link you posted.
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Re: Need 1/8" Pipe thread temp sender compatible with stock gauge
What does Street and Performance have to offer?
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I bought a aluminum pipe off ebay that was tapped for a stock sender. Cut the upper radiator hose and installed it ofchorse i dont see temp till the thermostat opens. But its the cheapest way. And you can always find a sender or gauge to work even cheap auto store gauges. I know that if i dont see temp with in a few min of driving i would have to have a stuck thermostat. Lol the puter monoters temp to and if the engine gets to hot it will attempt to cool it with extra fuel makeing the thing run real funny!
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Just to update this thread with a conclusion- The autometer 2259 and the autometer adapter was the ticket- no drilling and threading and the factory gauge works like new. Thanks for the help.
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So with those 2 autometer products you were able to use the factory gauges and not have to do any extra drill and tapping?
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sorry for the tilted pics-it's just beyond me |
Re: Need 1/8" Pipe thread temp sender compatible with stock gauge
Thanks man! This helped striaghten out some questions I had about the temp gauge.
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What the gauge gives you is a 'normal' baseline anyway. Once that is established, the gauge just lets you know that something is amiss. if anyone installs this sender and adapter and has access to an I/R gun, please post the results to seep this thread updated, since this is valuable info for swappers. If anyone would like to send me an I/R gun or a gift certificate, please PM me for addy:smoke: |
Re: Need 1/8" Pipe thread temp sender compatible with stock gauge
Thanks chuck. This will help multiple people, including me.
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In case anyone is interested...... here is the resistance vs temp chart for both the 2258 and 2259 sender :metal:
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This is great info thinking of converting to this setup. I'm currently using one of street and performance adaptors and the original sending unit my tuner says its not reading correctly because the adaptor is so long and the water is not constantly moving cross the sender.
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Now how do I get it to read from 230* down to 180* |
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I put cjohnson6772 data on my temperature sender data. Doesn't exactly match either the 60-66 GM sender or the late model GM sender but it is closer to the late model one.
I have yet to find a sender in small size that works for the 60-66 stock gage. (The late model sender overheats from high current and pegs the stock gage at any water temperature.) The attached file gives a bigger picture. TR |
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Also: if I=V/R wouldn't the late model gauge have less current? (Constant voltage and greater resistance?) Posted via Mobile Device |
Re: Need 1/8" Pipe thread temp sender compatible with stock gauge
I think the 60-66 sender sees a higher voltage from the gage thus increaseing the current. As the sender puck self heats from the current the resistance drops and the current increases leading to a runaway and the gage pegs in a minute or two.
TR |
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