HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Water temperature sender.

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Water temperature sender.

Post  fliermike45 on Thu Feb 24, 2011 8:27 pm

In Sloan's manual, he calls out a VDO Temperature Sender that has a 3/8" pipe thread.
The LS1 passenger side cylinder head has a 12 mm tapped hole for use with a Temp. Sender.

Two questions: Where did Sloan plan to use the VDO unit (I bought one)
or Where can I find a 3/8' to 12mm adaptor (Have searched many catalogs)

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Re: Water temperature sender.

Post  87-944S on Thu Feb 24, 2011 9:07 pm

I tapped the head for a 1/8-27 NPT VDO 250F sensor.
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Re: Water temperature sender.

Post  944-LT1 on Thu Feb 24, 2011 10:12 pm

fliermike45 wrote:Where can I find a 3/8' to 12mm adaptor

Street and performance sells them for about $18. Give them a call or see their website and type in "Coolant Temp Sensor Adapter" They sell them in 12mm to 1/8, 1/4, 3/8 and 1/2.

-Another way is to drill and tap the waterpump. But this sucks when the pump goes out and have to do it again (or will they even credit your core with that hole it in?).

-Drill and tap the head. Only feasible if the engine is still out of the car. Laughing

-You could add a resistor to a factory sender. Resistance value I dont know.

-Or, you could take that allen head plug out, drill it out, and tap it....making it the adapter.

Thats all I can think of currently.

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Temperature sender

Post  fliermike45 on Wed Mar 02, 2011 7:43 pm

I got the adaptor from Street Performance, here is a pic of the adaptor and the sender that's specified in Sloan's manual.

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Re: Water temperature sender.

Post  Arthropraxis on Wed Mar 02, 2011 7:53 pm

That is a huge adapter. Will the sender see any of the coolant?
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Adaptor

Post  fliermike45 on Wed Mar 02, 2011 8:03 pm

The sender screws down inside the adaptor. I have to assume that the "experts" who design these things know what they are doing. I can't believe there is a huge temperature drop in the adaptor.
It's simple and will do the job for me.

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Re: Water temperature sender.

Post  Arthropraxis on Wed Mar 02, 2011 8:15 pm

It looks a lot more substantial than my adapter. If the one I have doesn't work, I will look into getting that.
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Re: Water temperature sender.

Post  robstah on Wed Mar 02, 2011 8:59 pm

87-944S wrote:I tapped the head for a 1/8-27 NPT VDO 250F sensor.

Eric did post up an adapter to 1/8-27 NPT in the other thread:

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If that's the case, what would be the appropriate sender to use?

We really need a sticky with the info at the top of the LSx section, for both the coolant and oil pressure senders.


Last edited by robstah on Thu Mar 03, 2011 3:55 am; edited 1 time in total

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Water Temp

Post  fliermike45 on Wed Mar 02, 2011 9:35 pm

My problem was that I had followed Sloan's recommendation and purchased a 3/8" sender.
A 1/8" would have been a better choice.

My philosophy is to impart enought information on this forum to help newbies get good accurate info.

A sticky would be a good idea.

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Re: Water temperature sender.

Post  Admin on Wed Mar 02, 2011 9:42 pm

Haven't you guy's figured out that a lot of things in that "Manual" are not correct or have never been tried. It's just a bunch of internet info in one pamphlet. Razz Razz Razz Razz

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Re: Water temperature sender.

Post  cfgioja on Wed Mar 02, 2011 9:45 pm

Dont know if this is off the topic or if this is what you are looking for.

But I went to O'reilly's and bought a brass adapter set that has the stock ls1 temp sensor threading and it converts over to the temp sensor RH is supplying. I forget the threading on it right now, but it keeps from having to drill and tap the threading and only sticks out a little more than the tap head I was first running.
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Accurate information

Post  fliermike45 on Wed Mar 02, 2011 9:53 pm

That;s why I ask questions and post my experiences/solutions on this site to assist others in avoiding potential problems.
Yes the manual has gaps and errors but it is a basic source of information to point one in the right direction.
When I have finished my 948 I intend to write some notes to fill in the gaps of the "Manual"

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Re: Water temperature sender.

Post  Admin on Thu Mar 03, 2011 9:57 am

Lest work together and write an Installation Manual!

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Re: Water temperature sender.

Post  xschop on Thu Mar 03, 2011 10:13 am

Lest work together and write an Installation Manual!

Please do and put it in PDF file and wiki whatever with keynotes like Auto C5 Bell-housing clutch limitations and whatnot.

From my thread.....

I had read that someone had to drill out the adapter Autometer makes for the LS metric thread coolant port to aftermarket temp gauges......I bought it thinking I would have to drill it for my nice digital temp gauge or lathe the sender down as I have done before.....

Luck has it that Glow-Shift has their temp sender already lathed down (sender pic is of 1/4" dia.).... no modding required Very Happy

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Re: Water temperature sender.

Post  Porch on Thu Mar 03, 2011 10:19 am

Admin wrote:Lest work together and write an Installation Manual!

Or just stick to the wiki...
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Re: Water temperature sender.

Post  944-LT1 on Fri Mar 04, 2011 4:30 pm

Quick statement.... or "Hmm?" moment

I was just tooling around out in the garage and decided to thread the plug from the passengers side head of the LS into the porsche 944 temp sensor hole. It fits.

So, I got online and yup, the porsche 944's (and all porsches that I could see) coolant sensor is M12 x 1.5 and we already know well that the hole in the LS is M12 x 1.5.

Note...additional thing to keep from stock 944 engine = temp sensor for stock gauge. Laughing
Additional Note...dont drill out the head even if you dont have a 944 temp sensor...theyre like 15 bucks.

944 coolant sensor Coolant Temp Sensor = Napa PN# TS5520SB (Temp Rating: 225 Ohms at 200°F)
944 coolant sensor pigtail (for those of whom sold their harness w/engine) = Napa PN# EC390

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Re: Water temperature sender.

Post  robstah on Fri Mar 04, 2011 4:33 pm

944-LT1 wrote:Quick statement.... or "Hmm?" moment

I was just tooling around out in the garage and decided to thread the plug from the passengers side head of the LS into the porsche 944 temp sensor hole. It fits.

So, I got online and yup, the porsche 944's (and all porsches that I could see) coolant sensor is M12 x 1.5 and we already know well that the hole in the LS is M12 x 1.5.

Note...additional thing to keep from stock 944 engine = temp sensor for stock gauge. Laughing
Additional Note...dont drill out the head even if you dont have a 944 temp sensor...theyre like 15 bucks.

944 coolant sensor Coolant Temp Sensor = Napa PN# TS5520SB (Temp Rating: 225 Ohms at 200°F)
944 coolant sensor pigtail (for those of whom sold their harness w/engine) = Napa PN# EC390

Wait... Why did no one try this out before?

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Re: Water temperature sender.

Post  944-LT1 on Fri Mar 04, 2011 4:37 pm

Not sure. Embarassed In my personal defense, Ive never had my old 944 engine next to my LS3 engine before today.

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Water temp sensor.

Post  fliermike45 on Fri Mar 04, 2011 5:26 pm

Dumb question........where is the WT sensor located in the NA 944 engine?

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Re: Water temperature sender.

Post  Dawgz83948 on Fri Mar 04, 2011 5:27 pm

fliermike45 wrote:Dumb question........where is the WT sensor located in the NA 944 engine?

The gauge is under the intake (almost in the middle) in the head, the dme is in the intake side of the motor in the head but toward the front of the engine.
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Re: Water temperature sender.

Post  Arthropraxis on Fri Mar 04, 2011 6:53 pm

That is a good find. I will try that in the morning. Hard to believe it hasn't been tried before.
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Re: Water temperature sender.

Post  robstah on Fri Mar 04, 2011 7:03 pm

Arthropraxis wrote:That is a good find. I will try that in the morning. Hard to believe it hasn't been tried before.

My only question is if it is the right sensor or not. To my understanding, there are two coolant temp sensors, one for the ECU and one for the dash. If the one we are talking about is for the ECU, then it might have a different rating and might not work. That is my only concern right now.

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Re: Water temperature sender.

Post  944-LT1 on Fri Mar 04, 2011 8:51 pm

Ahhh. Had no idea there was two of them. The one I was messing with was the plastic square head one. After I read there was two, I went looking and found the other. Pulled it out and it isnt M12. So the one further back, more towards the middle, is the gauge sensor and the more forward one is DME???

If so... sorry! Embarassed

Ill keep looking for alternatives though.

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Re: Water temperature sender.

Post  robstah on Fri Mar 04, 2011 9:06 pm

944-LT1 wrote:Ahhh. Had no idea there was two of them. The one I was messing with was the plastic square head one. After I read there was two, I went looking and found the other. Pulled it out and it isnt M12. So the one further back, more towards the middle, is the gauge sensor and the more forward one is DME???

If so... sorry! Embarassed

Ill keep looking for alternatives though.

No, it's all good that someone is looking into this.

I knew I should have found this earlier:

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It looks like they are set up differently. Oh well.

There should be a similar Bosch or the likes sensor with the same threads and head but has a similar range to the cluster, no? The search continues.

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Re: Water temperature sender.

Post  robstah on Fri Mar 04, 2011 11:16 pm

Alright... drunken

After numerous catalog searches, I think I came up with the best setup so far.

VDO 323-095 for the sender. VDO states that this sender is 120c with a spec of 90c @ 51.2ohm ± 4.3ohm. Based off of the clarks-garage website above, this is probably the closest sensor I could find. Apparently VDO does have a couple senders with M12 x 1.5 threads, but none to match the 90c @ 51.2ohm. Jegs has this sensor here:

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You can also grab the sensor, and a M12 x 1.5 to 1/8 27 NPT adapter from egauges, here:

Sender: [You must be registered and logged in to see this link.]

Adapter: [You must be registered and logged in to see this link.]

Please, someone check me on the adapter. Worst case is you obtain this adapter (the one Eric posted earlier):

Adapter: [You must be registered and logged in to see this link.]

From egauges, you are looking at about 24 dollars shipped (shipping of 11.50 is a bit high, but the sensor prices tend to make up for that).

Now, on to the oil pressure setup...

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