headgasket question

[iandrew89]

I am going to be replacing my headgasket. The only question I have is there are so many different sizes. I've seen 86mm, 86.5mm, 87mm, 88mm all which have other options of thickness for choices. I've found the thickness I should use but can't find nothing on the 86-88mm. I have stock bottom end. What size should I be getting? thanks guys.

[Hijacker]

If you're not boring the cylinders out, go with an 86mm. That's the stock size.

[iandrew89]

Thank you that is what I thought but I wasn't sure. Still new to all this engine internals and stuff. So I know this sounds dumb but I wanna double check. Boring the cylinders would mean I would be getting bigger pistons? As in stock pistons are 86mm and if i upgraded to 87mm pistons I would bore the cylinders out to 87mm correct? sorry for sounding dumb but I am just now getting into doing research on engine internals.

[PyR0NiAk]

You're correct. Go to howstuffworks.com There are entire articles on how engines work. Read through those, and then modifications are nearly common sense as long as you understand basic physics.