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First time engine build. LS3

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Old Apr 2, 2018 | 02:37 PM
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Default First time engine build. LS3

I’m new to the ls1tech and this is my first engine build from the ground up. I just received my ls3 block from jegs and was wondering if I needed any machine work done to the block or just a finish hone in the cylinders? It’s going to be a mostly stock build.
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Old Apr 2, 2018 | 02:48 PM
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Originally Posted by Billiampaul47
I’m new to the ls1tech and this is my first engine build from the ground up. I just received my ls3 block from jegs and was wondering if I needed any machine work done to the block or just a finish hone in the cylinders? It’s going to be a mostly stock build.
no machining necessary per se, unless you are going to be building a stroker, just a finish hone would do. I would however reccomend just have someone go ahead and line hone the crank/cam journal. It’s to easy not to do while you just have a bare block. With a balanced rotating assembly you can have a very high revving motor.
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Old Apr 2, 2018 | 02:55 PM
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Originally Posted by BassAckwards


no machining necessary per se, unless you are going to be building a stroker, just a finish hone would do. I would however reccomend just have someone go ahead and line hone the crank/cam journal. It’s to easy not to do while you just have a bare block. With a balanced rotating assembly you can have a very high revving motor.
Cool. Thank you
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Old Apr 3, 2018 | 07:41 AM
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For what it's worth I just picked up my new LS3 block from the machine shop and the only did they did was the final hone in the cylinders. I had them check everything on the block and it was all in spec.
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Old Apr 3, 2018 | 10:51 AM
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Default Cylinder Bore Diameter ?

Hi ALL, I supply RaceTec Forged pistons with YOUR CHOICE of finished bore size/CD at no EXTRA cost.

What is your cylinder diameter ?

Lance
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