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What did you do with your truck/shop today


SarahsGMC

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While driving back into town today the truck in next land tam over a huge L shaped piece of metal and it managed to fly into the side of my truck. It went through the paint and slightly dented the cab and also scratched minor parts of the bed (behind the cab...).

 

I'll call the insurance since our premium is $500 iirc, and fixing this will surely go over. FML.

 

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Edited by white1500
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And it may be called an L33, but you may in fact be getting a LM4. The LM4 is the aluminum 5.3 identical to its iron LM7 counterpart. The LM4 was in the Trailblazer, Rainier, Envoy, and SSR

 

 

They have the vehicle listed that it comes out of along with the Vin# for it. The one I'm leaning toward is out of an 05 Silverado with this VIN: 1GCEK19B55E136371

 

Is there a way of identifying that it's an L33 from anything on the engine block?

Edited by Daryl Z71
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Casting numbers i am not sure. It will be aluminum and say 5.3L. The iron blocks say 4.8/5.3. I dont know the block differences in the LM4 and L33

 

 

Okay. I'll try a google search, see if I can find any information...

 

 

EDIT: Here's a link with some info: http://www.performancetrucks.net/forums/gmt-800-older-gm-general-discussion-130/how-identify-l33-498775/

 

A few things I took from it to identify,

 

- 799/243 Heads

- Knock Sensors are only found in the engine valley under the intake manifold

- Aluminum Block

Edited by Daryl Z71
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Ill let ya know Ryan, but definitely will be looking to go within the first few weeks of opening to get my 12 second timeslip in this pig.

 

Opening day for Lucas Oil Raceway�s dragstrip will be the first of nearly 25 scheduled Wild Wednesday Test & Tune events beginning April 1. Wild Wednesday presented by IndyRPM offers open time trials for both street legal cars and slick tire race cars.

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Is there a way of identifying that it's an L33 from anything on the engine block?

 

The eighth digit of my Sierra's VIN is “B” which identifies it as an L33.

 

The L33: Aluminum engine block, new cylinder heads, flat-top pistons, and a high-lift cam – Increased torque and 315 horsepower..

Edited by Singer-Man
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My hood won't shut... did this last time it got really cold... I'm not happy.

 

I'm sorry, Sarah. We all must cross that bridge sooner or later in life as we get older, things just stop working or don't work as well as they did in years past. But have faith, we are all here to help and support one another! :tumbleweed:

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The only difference in LM4 and L33 visually are the head casting numbers

Are the knock sensors only under the intake manifold on the LM4 too? I guess I'll just have to look at the casting numbers on the heads.

 

 

The eighth digit of my Sierra's VIN is “B” which identifies it as an L33.

 

The L33: Aluminum engine block, new cylinder heads, flat-top pistons, and a high-lift cam – Increased torque and 315 horsepower..

Yep, you're correct. I was just hoping there was something on the block itself to confirm that it is an L33. Hopefully the head casting numbers will be enough.

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