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Daryl Z71's 2006 Silverado Z71 Re-build

Daryl LBZ

By Daryl LBZ
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Chris Senior Enthusiast

Chris

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Forget what it considers aux. Just pay attention to the number. Thats where they will beat you. You cant have 4 factory and 4 aux at a time. Cant have 6 factory at once. 4 is the number that they will get you.

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Daryl LBZ
Daryl LBZ

On the way home now with a new to me L33 5.3L      

Daryl LBZ
Daryl LBZ

Well she's all hooked up an running. Great oil pressure compared to the old motor. Only problem is that the shift cable broke, and now I have to wait for a new one. Ugh! It's always something.    

Daryl LBZ
Daryl LBZ

Better night time picture.  

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LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
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I ah ree with Chris. My state is the same way. No more than 4 forward facing lights at anytime. That's why I can't do the 6 high mod

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RAYJAY Enthusiast

RAYJAY

Posted
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in PA here .

 

never had a problem with cops or geting the truck inspected , we do live in the sticks so may be that has some to do with it ????

 

and when on low beam its only 4 lights on, and maybe its tought to tell on silverado that the highs and lows are ojn ????

Chris Senior Enthusiast

Chris

Posted
Posted

in PA here .

 

never had a problem with cops or geting the truck inspected , we do live in the sticks so may be that has some to do with it ????

 

and when on low beam its only 4 lights on, and maybe its tought to tell on silverado that the highs and lows are ojn ????

I live out in farmland on the edge of town. The statey's will get you for not clicking off your brights in a reasonable distance. When on high i run low/high. When on low i run low/fog. Only 4 at a time.
Daryl LBZ Senior Enthusiast

Daryl LBZ

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Yes. The 243 originated on the LS6. A dumbed down variety with heavier valves made its way to the LS2, L33, and LC9.

Figures I'd get the 799 heads then.

nice build did you do the high low beam mod to the head lamps yet ? i have a 2006 been done since i bought it gives you tons of light for a couple of diode's

 

here is one of the youtube vid on how to

 

 

Thanks. No light mod yet, but I have plans for it.

 

Installed the new water pump, and thermostat with housing.

 

f4caef9b86b3f3034feafaa38e88d729.jpg

Chris Senior Enthusiast

Chris

Posted
Posted

Figures I'd get the 799 heads then.

Thanks. No light mod yet, but I have plans for it.

 

Installed the new water pump, and thermostat with housing.

 

f4caef9b86b3f3034feafaa38e88d729.jpg

The only difference between 243 and 799 is where the casting is from. 243 is from GM research and 799 is the outsourced casting. Head specs are the same. Some LS2's had 799's
Daryl LBZ Senior Enthusiast

Daryl LBZ

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The only difference between 243 and 799 is where the casting is from. 243 is from GM research and 799 is the outsourced casting. Head specs are the same. Some LS2's had 799's

I see. Sounds good to me then.
Daryl LBZ Senior Enthusiast

Daryl LBZ

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Looking great. How long til install?

Thanks. Hopefully sometime next month. Looking to buy a few more sensors, and a new power steering pump at the end of this month. Edited by Daryl Z71
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zach1990 Senior Enthusiast

zach1990

Posted
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The only difference between 243 and 799 is where the casting is from. 243 is from GM research and 799 is the outsourced casting. Head specs are the same. Some LS2's had 799's

So the 799 are the infamous castech heads? Just trying to clarify. How do you know which you are getting beforehand when buying used?
Daryl LBZ Senior Enthusiast

Daryl LBZ

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So the 799 are the infamous castech heads? Just trying to clarify. How do you know which you are getting beforehand when buying used?

I thought those were a different number?

zach1990 Senior Enthusiast

zach1990

Posted
Posted

I thought those were a different number?

I don't know... that's what I'm trying to learn
Daryl LBZ Senior Enthusiast

Daryl LBZ

Posted
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I don't know... that's what I'm trying to learn

Looks like 706 & 862 are Castech Heads.
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