Just know that the thinner the h/g, the higher compression. Typically a 1.2mm thickness is pretty thick, (runs the risk of blowing faster than a thinner one, BUT gets you closest to stock compression). Also, just because you bore out 1mm, doesnt mean your ecu wont run the car right. It will run perfect, no dofference will be noticed I promise! Maybe a few hp naturally but not lean running or problems I assure you. And as for bore on the headgasket. ONLY run a head gasket .5mm wider than your new bore. This is from Apexi. If you do 87.5mm bore on the cyls, do 88mm headgasket.
G/l homie. Its gonna sound great after rebuild.
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