5sfe Stroker - Modestly priced? [Archive] - Toyota MR2 Message Board

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(1) Offset grind the 5sfe crank for 1/8 inch more stroke at the 3sgte rod journal size. (2) Mill .125 from the top of the stock 5sfe piston, reducing dish size. This will account for the increased stroke and also increase compression. See (3). (3) Go 1mm OS intake valves with a P&P head making sure you unshroud the intake and exhaust valves by opening combustion chamber side walls out to cylinder diameter. Resulting bigger chamber volume should be offset by smaller piston dish