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After running the Heath 2.0 for about three years I went back to the stock chip while my chip was being reworked to the GL4. I was shocked at the EGT's with the stock chip. My truck normally runs at about 450 - 500 deg at 65mph and the Heath tune. With the stock chip I was easily seeing 700 -...

I'm getting 3.1 ohms. I'm guessing that the sensor is dead.

Thanks Chris I will check it tomorrow morning. My ECS sensor is about 2 years old and my truck starts very rough unless I set the switch to where the ECS sensor is bypassed . Other than that my truck runs perfect.

When I go to the FAQ's it ask for what I want to search for. I have tried ECS, Engine Coolant Sensor, Coolant Sensor. What specific wording should I use? The only reason I asked here was because none of my searches seem to work.

Is there any way to check/test the engine coolant sensor?

Got my GL4 today. So far I like it. I had the Heath 2.0 before and this an improvement. I'll have to see how my fuel mileage comes out - in a couple of weeks.

On the bay with full factory warranty. 103.95 + 8.00 shipping. Search AC Delco Ac Controller.

Finally saved up the pennies to get the AC Control Head and everything is well. Thank you for your help! With the help you guys gave it cost me less than 1/3 of what the stealer wanted just to start.

It seems that they went up since Monday. Mine is already on the way

BTW, I primed my engine with an extension on a drill and I believe a 5/16" socket secured to the extension. Actually built about 30psi of oil pressure that way. It was kinda tough hanging onto to the drill at that pressure and in such an awkward position.

I am running a 6.2 block converted to 6.5 in my truck. Mine had a pipe plug at the front of the block just like my 6.5. I used it and plugged the one above the oil filter.

PM me with a price I might be interested.

I am not getting any power to the little black box that Ed described so I guess I will have to go for the AC Control Head. Thank You both for your help.

What is an AC control head?

Thanks Ed! I'll check that out tomorrow.

Well, I just posted this on the place by accident. Forgot where I was at as it's been one of those days. When I turned my defroster on today the air continued to blow on the floor. No matter where I turned the control it never changed the airflow. The AC does not work either. I still have all...

Thanks guys, I was just wondering if it was the stock turbo. My EGT's have not gone passed 950 even when towing a 10K fiver and no I am not complaing just wondering. Right now I am running both pre and post EGT gauges of the same make. In normal driving they read pretty much identical. When...

How do you tell what kind of turbo you have. GM 4, GM 8. What identifies them. I know the one my truck is not the original.

Thank You! At least now when I drop the pan I will know what I am looking for.

Where is the TCC Sol. and how would one go about changing it?