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2006 Silverado 2500HD LQ4 - Gear Head Input

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Old 08-10-2016, 12:04 AM
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I added the part number above.

What about the TR6 copper plugs? How many miles?

You know those are a colder heat range right?
Old 08-10-2016, 12:09 AM
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Originally Posted by 1FastBrick
I added the part number above.

What about the TR6 copper plugs? How many miles?

You know those are a colder heat range right?

They are iridium plugs. Maybe 2k since install. Same with the wires.

Elaborate on the colder heat range.

I appreciate your help.

Last edited by The Sanch; 08-10-2016 at 09:14 PM.
Old 08-10-2016, 12:27 AM
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Originally Posted by The Sanch
They are iridium plugs. Maybe 2k since install. Same with the plugs.

Elaborate on the colder heat range.

I appreciate your help.
The TR55 is an equivalent OEM heat range.

Ther TR6 is colder and typically used in a boosted application so as not to pre ignite the combustion process.

The TR7 or BR7 Is even colder and used more in a race type application. 15 LBS or more of boost or over 125 Shot of nitrous.

These are all copper core plugs and depending on use will likely need to be changed around any where from 15-30k mileage, Unlike an iridium or platinum plug that will go 100K.


IMO, there is no need to use a copper core plug on a mildly built NA engine unless you enjoy changing the plugs more often. But, as stated that's just my opinion.
Old 08-10-2016, 12:30 AM
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At 220K it probally wouldn't hurt to replace the O2 sensors either if they have never been changed.
Old 08-10-2016, 05:36 AM
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I'll ask, since it wasn't mentioned.

Have you done a compression test?
Old 08-10-2016, 05:48 PM
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Originally Posted by madmann26
I'll ask, since it wasn't mentioned.

Have you done a compression test?
No I haven't. Maybe I should.
Old 08-10-2016, 05:51 PM
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Originally Posted by 1FastBrick
At 220K it probally wouldn't hurt to replace the O2 sensors either if they have never been changed.
I was debating on that. I didn't know if that's something commonly deleted in the tuning process.
Old 08-10-2016, 09:34 PM
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For right now, one of my main questions is how much of a difference I should expect with the 3600 stall (along with a larger trans-cooler), especially out the hole. I will be installing around Halloween, which is awesome for cooler weather.

Until I get my cam, I am hoping this will be fun to scoot around town with on stock cam.

GM 245mm Pro I 4L80E Torque Converter
2C Pump and Stator Combination for 3600 Stall Speed
Old 08-14-2016, 02:20 AM
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Did some maintenance on the truck this weekend. Made a trip with some of the ChemTool in the tank. Must have been eating up some stuff because it smelled funky for a second.

Wrll, I finally ditched my Hayden's (The CFM couldn't keep up, and not to mention the lack of surface area) and installed my Dorman E-Fans. Runs about 180° now. Then about 200° when driving and then will cool back down.

Also, I'm sure there is a thread on here that explains TC's. What I would like to have ironed out is how the stall works in a nutshell.

My truck flashes at 2500 when pre loading the gas pedal. Now, when I install my 3600, does that mean when I power break, it will stall at 3600 for launch?

Last edited by The Sanch; 08-14-2016 at 02:30 AM.
Old 08-14-2016, 02:36 AM
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