Bore

[HKSenilyks]

I'm thinking about boriing my block, What gains will there be from doing so? Would it be worth it if I don't make it a stroker?

[1ViciousGSX]

If you don't know the gains, I suggest you take it to somebody who does. :cool:

Boring out a block is for the soul purpose of moving up to the next size larger pistons. We do this for several reasons, scoring in the cylinder walls, seizing the piston in the block, cylinder worn too far out of round, etc.

As for stoking it, people have stroked engines on stock bores.

[HKSenilyks]

So just boring my block (with the correct size pistons) won't change how my motor performs?

[1ViciousGSX]

Not really, unless there is a problem with your engine that requires it.

[Thor06]

There will be a small displacement gain but not enought to mean anything. If you are rebuilding, I would personally do it whether it really needs it or not. I would rather spend the extra couple bucks on some new pistons and a bore out just to be sure.

[HKSenilyks]

There will be a small displacement gain but not enought to mean anything. If you are rebuilding, I would personally do it whether it really needs it or not. I would rather spend the extra couple bucks on some new pistons and a bore out just to be sure.

See this is my first rebuild, I bought a shell a few weeks back and i was thinking, "well if boring my cylinders will be a bit stronger, why not". I just dont want to build my motor to break.

[Shane@DBPerformance]

Boring your cylinders makes them weaker. Going .020" over is such a small displacement gain that any horsepower gains from it would be hard to even notice. How the new rings seat will possibly have a bigger effect on how the new motor performed. If you went from stock bore to something like .080", then you might seeing some performance gains from the increase in displacement, but you can't go too far before the cylinder walls are too thin for high HP.

[Goat Blower]

If you can bottle hone it and throw the stock pistons back in with new rings, you'll be in good shape in more ways than one.

[sleepydsm]

Unless the cylinder bores are f-ed up, you might as well just lightly hone the cylinders, and use the stock size pistons. And if you're considering stroking the engine (i.e. 2.3L), why not just go to a 2.4L block?

[JiggahMan]

Tits, if you're using the block that's sitting in the garage. Get it bored and honed, it needs it.