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LS Coolant Temp Adaptor any good?

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Old 10-07-2009, 01:34 PM
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Default LS Coolant Temp Adaptor any good?

Wanted to get some input from those that have already used an adaptor for thier coolant temp sender on the passenger head.

Just seems like it may give a false reading extending it out.

But if it works would be better than having to drill and tap the head..

Any input would be appreciated.
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Old 10-07-2009, 02:54 PM
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autometer makes a shallow depth sender... problem solved.

Old 10-07-2009, 03:21 PM
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Originally Posted by DCx
autometer makes a shallow depth sender... problem solved.
Sorry, should have mentioned Im using an OEM guage for my 86 Monte SS..

So anyone doing something similiar with positive results?

Thanks,

Matt
Old 10-07-2009, 08:25 PM
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I use those adapters on all my swaps. The Autometer adapters are much higher quality than the crappy Equis adapters that always seem to snap off.
Old 10-07-2009, 09:51 PM
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To be more specific, what readings are people, using this adaptor, getting vs. ECU temp readings? Close enough to what it used to be on the stock motor? lower? Higher?

Thanks,

Matt
Old 10-07-2009, 10:10 PM
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if your just using it to run the stock gauge in the car then its fine, i have one running an autometer and the gauge reads just fine.

are you keeping the stock ls sender for the pcm? and then running one in the passenger head for the gauge? If yes, then the adaptor will be fine. factory GM gauges are off anyway, much less one thats 20+ years old.
Old 10-08-2009, 07:12 AM
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I have a stock S10 on on pass side and the stock LS1 on the driver head....they read about 20* difference between the 2...so it is off a little cause its only catching coolant though one side of the engine...but its not WAY off
Old 10-08-2009, 08:00 AM
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I'm using the equis adapter with a an electric auto meter gauge. Temp seems to be correct, stays at 185*. I have mine in the passenger rear head. I have not had any other gauge to verify the temp, but I havn't had any problems with temp so if it aint broke........
I had an auto meter mechanical gauge, but the "probe" portion was to large to fit in the adapter.
Old 10-08-2009, 09:38 AM
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Originally Posted by cherryelky305
are you keeping the stock ls sender for the pcm? and then running one in the passenger head for the gauge?
Correct..

Originally Posted by cherryelky305
factory GM gauges are off anyway, much less one thats 20+ years old.
lol this is true

Thanks to all for feedback..

I appreciate it!
Old 10-08-2009, 02:46 PM
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After purchasing the stock 86 Monte SS Temp sender, I see now that my search has been for nothing..

The stock 86 SS monte sender has 3/8 NPT threads..

If I would have taken a closer look at John Bzdels LS1 install I would have already known this..

The one for Auto Meter says its for 96 and above "short sweep" electric water guage..

Im assuming the term means the resistance or cycle high to low?

Anyway, unless someone comes up with a sender thats compatible to the stock for an 86 SS monte thats has 1/8 or 1/4 npt threads.. Im drilling and taping..
Old 10-08-2009, 02:51 PM
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another location to consider is the larger 16mm threaded plug above the starter. im sure u can find a 16mm->3/8 adapter. other ppl have used the location for gauges with success.
Old 10-08-2009, 07:30 PM
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What about getting temp from the heater hose. This is the way ford does it from the factory.

Tim
Old 10-09-2009, 01:33 AM
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Originally Posted by Gray86hatch
What about getting temp from the heater hose. This is the way ford does it from the factory.

Tim
Thought about that... but really dont like the idea..

A brass sending unit that was made to mount on a cylinder head would see more heat then on a hose..

Basically a sender is just a thermister thats paired with the guage to read a certain temperature based on resistance\temperature of the sender..and if that temperature varies, my guage will be off..

I did some digging and found the values to check my gauge at certain resistances\temps and surprisingly it was pretty accurate.

I'm drilling and taping.. Its not really a big deal.. I was just trying to save some effort..
Old 10-09-2009, 01:46 AM
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Found this for someone that might want to try using on thier stock gauge..

http://www.autometer.com/cat_accesso...il.aspx?vid=30

Supposed to be for pre-95 gauges

Not sure if it would work... Still have to get around the problem with the deapth of the sender with respect to the metric to npt adaptor

from the description: This sender only works on pre-1995 gauges with a distinctive black mask on bottom of lens. (Closest smile to a "black mask" next dude was second lol)

Regarding "black mask" at the bottom...Probably talking about autometer style but odd when I plug in my application in a vendor for autometer... comes up with the same sender so dunno for sure..
Old 10-09-2009, 06:34 AM
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I found that my temp with the factory ford sendsor in the heater hose was very accurate to the temp I get with my temp gun. I also had a stweart warner in the intake this was within 5 degrees also.

I am not sure how I will do mine this year.

Tim
Old 10-09-2009, 08:12 PM
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I use it on my 71. It runs 180 on the coldest winter day to the hottest days. I know if it is ever gets hotter than than that somthing is up. What I'm saying is to me 180 reading=normal wheather it is actually 180 or not I could care less.
Old 01-15-2010, 09:51 AM
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I have a 1/2-14 NPT sender which makes it very difficult to install in my block, has anyone used the Street and Performance adapters?

If so any pics and how much did it set you back?

My other alternative is getting a 1/2-14 tap and open the 12mm hole on the backside of the pasenger head.
Old 01-15-2010, 10:57 AM
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What about using the 1998 LS1 Sensor?
Old 01-15-2010, 11:07 AM
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Originally Posted by 1976CamaroGuy
I have a 1/2-14 NPT sender which makes it very difficult to install in my block, has anyone used the Street and Performance adapters?

If so any pics and how much did it set you back?

My other alternative is getting a 1/2-14 tap and open the 12mm hole on the backside of the pasenger head.
There is a brass block heater plug on either side of the motor. I dirlled that out and tapped it for a 1/2 NPT thread, then added adapters to make it fit my stock Datsun sensor. If yours is already 1/2. then it should be a simple matter to fit your sensor there.




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