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Sexually identifies as a shopping cart.
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Man that engine looks super clean inside. Looks like it's been well taken care of!
 

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Toxic Masculinity
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Discussion Starter #22 (Edited)
Your thread title has always said LQ9...........but you seemed surprised to have an LQ9...........Im confused.
The salvage company listed it as a 6.0 from an 05 Escalade. When I went to look they had a room with about 30 to 40 engines. This one was sitting alongside about 8 or 9 other LS engines. Of course they all look alike except some with DBC and the newer DBW throttle bodies. He showed me this and two others he said were 6.0's. These three had the 6.0 cast on the rear of the block. Long story short I didn't see the engine in the Escalade (Escalade's only had LM7's and LQ9's) so I took his word it was out of that vehicle. The only sure way to tell is seeing the piston. I wasn't surprised, but more relieved if that makes any sense.
 

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Toxic Masculinity
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Discussion Starter #23 (Edited)
Man that engine looks super clean inside. Looks like it's been well taken care of!
Yeah really happy about that, even the exhaust manifold bolts came out with no struggle. I don't think I'm going to even have it bored, just honed and a new set of std pistons. Same with the crank just polish and std bearings.
 

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Super Moderator
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kinda of a waste to have opened up that motor :hmm:
 

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Rusty Hinges, porn star
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Yeah really happy about that, even the exhaust manifold bolts came out with no struggle. I don't think I'm going to even have it bored, just honed and a new set of std pistons. Same with the crank just polish and std bearings.
If the engine wasn't in such good shape, what would you have done to it?
 

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Toxic Masculinity
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Discussion Starter #26
kinda of a waste to have opened up that motor :hmm:
...or a heartbreak after installing and yanking it out for (fill in the ___). This way I'll have a fresh motor in a decent looking old truck that should last until I keel over. I'll be sixty on the 12th, It's a Saturday too... somebody better buy me a beer!

If the engine wasn't in such good shape, what would you have done to it?
Whatever it needed except for catastrophic issue like a cracked block, heads or toasted crank... then cried.

Not much done today but what a greasy mess tearing down a motor, cleaning up and putting tools back in the box took most the day. I did find some time to clean the intake though. One of the two plastic clips on the manifold that holds the MAP sensor is broken off. Looks like that piece is replaceable, anyone know? I'll look at the exploded on gmpartsdirect.

 

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Rusty Hinges, porn star
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Whatever it needed except for catastrophic issue like a cracked block, heads or toasted crank... then cried.
I didn't know if you had some big build planned. Stroker crank, better heads, lumpier cam. All that good stuff.
 

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Yeah really happy about that, even the exhaust manifold bolts came out with no struggle. I don't think I'm going to even have it bored, just honed and a new set of std pistons. Same with the crank just polish and std bearings.
Reuse those pistons. Id trust stock pistons over anything aftermarket unless youre going to just buy new GM pistons (or forged but I feel like youre not buying forged here). But that doesnt make much sense because the only work the piston see is the explosion in the chamber and the on the pin.

I cant reuse mine because the machine shop had to bore.
 

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That's a nice looking engine. Are you going to run the 3 piece engine cover or are you going to do a car intake swap or so many other options.
 

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Toxic Masculinity
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Discussion Starter #30 (Edited)
Reuse those pistons. Id trust stock pistons over anything aftermarket unless youre going to just buy new GM pistons (or forged but I feel like youre not buying forged here). But that doesnt make much sense because the only work the piston see is the explosion in the chamber and the on the pin. I cant reuse mine because the machine shop had to bore.
I've been tossing the idea of reusing the pistons and even reusing the stock camshaft just to get it running. I can use the cash elsewhere. I still need a DBW pedal and TAC sensor, starter, alternator, power steering bracket, A/C compressor, right side frame mount, belts, hoses, wires, plugs etc.

I pressure washed the block after cleaning the deck surfaces and chasing all the headbolt threads. Scrubbed it down real good with tide and a ton of water... I got drenched. I saw one thing that has me concerned. One cam bearing has a chip on the edge. I was very careful removing the cam, it's on the forward side, looks like a install chip to me. Should I go ahead and have cam bearings installed? I'm wanting to bust the cylinder glaze off with a ball hone. Maybe have the machine shop install bearings and bust the glaze? I ordered the rings, bearings and gaskets today. Enginetech stuff is just rebadged Hasting rings and King bearings, should be here Friday.

Cam bearing chip














That's a nice looking engine. Are you going to run the 3 piece engine cover or are you going to do a car intake swap or so many other options.
Thanks, Staying with the truck intake and on the hunt for those covers.
 

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Rusty Hinges, porn star
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Since you went through the effort of tearing the engine down, I would replace the cam bearings. IIRC, you are a man of details. Could you enjoy driving knowing that bearing has a chip in it?
 

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Should only be about $60 - $70 for hone and bearings. I would ask them to "glue" the cam bearings in place to prevent spinning one. Also, make sure they fit the cam to the new bearings. There's a really good chance they'll install them and your cam just wont go in without some massaging of the bearings.

You could switch to a DBC TB and not worry about DBW stuff?
 

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Toxic Masculinity
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Discussion Starter #33
Should only be about $60 - $70 for hone and bearings. I would ask them to "glue" the cam bearings in place to prevent spinning one. Also, make sure they fit the cam to the new bearings. There's a really good chance they'll install them and your cam just wont go in without some massaging of the bearings.

You could switch to a DBC TB and not worry about DBW stuff?
From my research if I go with the DBC... the 05 PCM (service number 12589463) that came with the LQ9 doesn't support the idle air control stepper motor (IAC) that controls air flow in a DBC setup. The PCM I have for the 4.3 (service number 09354896) dose have support for the IAC but has the wrong parameters to get me running. Also the 05 harness dose not have the wires for IAC or the throttle position sensor, so I'd have to pull wires and find a TPS plug to make the pigtail. It may just be easier to install the DBW pedal and TAC module. I found the pedal, wires and TAC for $90. It would cost that just to send my 4.3 PCM to get flashed with the Escalade vin.

Read some of this and let me know what you think would be the easiest way.

http://lt1swap.com/cable_conversion.htm

As far as the machine work, I can see the machine shops loading dock from my back door (wintertime). My neighbor of 30+ years just sold the machine shop business a few years ago. A younger guy runs it now and he leans more to the racing side than straight rebuilds. I've heard a lot of good things about his work. Looks like I'll be paying him a visit soon.

CSB moment: twenty years or so, three good friends of mine worked at Industrial Engines & Equipment (IEE) here in Charlotte. One a machinist, a parts guy and the other an engine builder. The engine builder "Jim" I showed him how to build his first engine right after he graduated high school. He became their lead engine builder then moved to warranty with a white shirt, company car, an office and a secretary. Steve worked in parts and when I needed parts, he was the man. Id get company discounts and he'd bring me whatever I needed. His older brother Jack was the machinist. Man he'd run my stuff through the backdoor, cranks, heads, blocks etc. usually costing me nothing. The company was sold and dissolved but man I sure had gotten spoiled with having those connections. Steve's wife worked for a company that mixed automotive paint and Id get first class service whenever I needed any paint supplies. We all kinda lost touch through the years. They are still in the machine business I'm pretty sure. Id feel like a total douche getting in touch after all these years just to do my work... ah the good ole days lol.
 

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Yeah, youre right. DBW will be easier lol.
 

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Toxic Masculinity
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Discussion Starter #35
Pistons have been soaking in diesel for three days to loosen the carbon deposits. It's a slow cleaning process but worth the effort. Took about three hours for just two pistons. Couple hours cleaning and then carefully cleaning the ring grooves with a couple broken rings. The top cast ring easily snapped in half, the second ring must be steel, it took a couple pairs of pliers to bend quiet a bit to snap. Number four's wrist pin didn't feel right only floating in the piston bore and not very free on the rod. Popped out the circlip and cleaned the rod end and the pin until it would drop through.



 

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This place sucks dicks
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I'll watch.......... :pepper: just ordered rods for mine. Gotta wait a bit for pistons tho :(
 
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