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Big pits
ok spent my wad on a 2013 ss camaro automatic car (new to these so correc if wrong) i believe an l99? short block is going to need some investing from what looks like a cam regrind failure part of the weld came loose on the journal and got in oil then spun the rod bearing from the shavings.. has 41k miles

anyway i noticed this 6.2 has a 12552216 crank is used in the 5.3 .
I have a 5.3 from a 2003 suburban could this short block be used in place of the aluminum 6.2

I noticed the dod was changed to solid lifter when the cam was changed and doesnt have dod lifters. not sure if it was deleted in the electronics (Computer deleted dod?? not sure how its done)

if i use a came with the same button cam and sensor in front cover on the 5.3 can this block be made to work easy without hacking up anything that when i get another 6.2 down the road?

Please dont insult kinda new to ls chevy engines and poor at the moment and soooo want to drive this camaro now the rollor on the lifter with bad lobe was fine

DietCoke

iTrader: (18)

? Just grind the crank throw an over bearing in it and put it back together.

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it damaged the crank when it started spining main bearing.. and destroyed on rod bearing when it spun the rod bearing several times

LLLosingit

iTrader: (4)

The heads won't work on a 5.3 bore, So you would need different heads and different intake.

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well guess that give me only one option all new stuff

curious why the 6.2 heads wont work on the 5.3 block (new to this )

milkey57

iTrader: (7)

valves are too big for the bore plus with the higher cc volume of the heads it would really drop the compression.

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so headgaskets from a 5.3 wont work on a 6.2? I was had thought most could be interchanged. saying the valves will hit the cylinder wall? I thought i read somewhere the clinder heads could be swapped/ interchanged?

milkey57

iTrader: (7)

also the reluctor wheel is different in what you have vs the 03 58x in yours now vs a 24x. if you want something cheap and easy look for a 5.3 out of an 07 or newer truck that will be a drop in good to go setup. However you will need to swap to a ls2 manifold as the truck one wont fint under your hood.

milkey57

iTrader: (7)

[QUOTE=milkey57;19576363]also the reluctor wheel is different in what you have vs the 03 58x in yours now vs a 24x. if you want something cheap and easy look for a 5.3 out of an 07 or newer truck that will be a drop in good to go setup. However you will need to swap to a ls2 manifold as the truck one wont fint under your hood. You can find them complete from 500 and up. I would also recommend re-flashing for ecm for the different motor.

LLLosingit

iTrader: (4)

If it were my car I would get a rebuilt iron 6.0 shortblock with 58x reluctor wheel or search for a iron 6.0 long block from a salvage yard and drop that in until you can afford to rebuild the aluminum block engine you have.

07NBSChevy

iTrader: (1)

5.3/5.7 3.910" head gaskets will not work on a 4.06" bore unless you want the piston to hit the head gasket as it reaches TDC. 6.2 heads will not work with a 5.3, valves will hit due to valve size and spacing.

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thanks for the info.. plans because i have it and not sure it will work all the way.. a 5.3 longblock that doesnt have dod like this 6.2.. it will have the 58 reluctor wheel and hope the 6.2 ls3 intake will bolt to the 5.3 block with 5.3 heads 2002 0r 2003 5.3..

please anything else u guys can add would be great.. it will get a 6.2 down the road or a 6.0 iron if all falles in place to do so..

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only because money is tight and i already have a 5.3 cleaned up new gaskets and valve spings instaled (going boosted already had turbo kit) eventually will get the 6.2 or 6.0 being stronger but hard to find with lower miles.. it will be twin turbo i was just toying with putting all on one side

big hammer

Find a 6.2 out of a truck

JakeFusion

iTrader: (7)

Wait, how do you know it was a reground cam? Did you have the cam reground? Or is that just a Comp Cams camshaft?

The 2003 5.3L is a Gen III motor... reluctor, knock sensors, cam sensor, and crank sensors are all different (and maybe the TB - was it electronic or cable in the 03?). You could make it work by changing the reluctor to 58X, running a 4X timing set and LS3 front cover, and drill out the side of the block for the Knock Sensors.

And the heads won't work on such a small bore. Just keep the 5.3L heads.

99 Black Bird T/A

iTrader: (4)

WS6 Store can do an GM LS3 short block for your L99 for about ~ $2715
That might not help right now but could be useful later. Be sure and ask for their 58x crank for your application.

http://www.ws6project.com/user_stor/catalog/DSA58XL92/

JakeFusion

iTrader: (7)

That's an interesting shortblock. I couldn't find any info on it. Is that a GM special or something WS6Store is doing?

99 Black Bird T/A

iTrader: (4)

Jake, I know the 24x version has the crank reluctor wheel changed out by WS6 Store. We briefly discussed their LS3 short block before I went for the ERL 416. I'm not sure of the specific details of the 58x version.

LLLosingit

iTrader: (4)

If I were in your position I would sell off the turbo kit and the 5.3 you already have and get a short block that is a direct fit, By the time you get done spending all the money trying to make that 5.3 work you're probably going to end up close to if not all the way to the cost of fixing the engine you have or replacing it with the correct engine now . You can worry about boosting later when you can afford it. I have a feeling you are severely underestimating the cost of getting the 5.3 in and running correctly.

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curious you guys thought on http://www.ebay.com/itm/Lingenfelter...VWYMPv&vxp=mtr

and was going to put the ls3 intake on this 5.3 if it fit.. s (sorry not sure if this was already talked about)

I was only thinkingregroun because the numbers etched the way they are on the end and the location of where the metal started breaking off would be right where the welding would have been started to build up the lobe (Not sure still learning 30 years later into cars. lol