I'm with 86GT. I'd just bite the bullet, have the pistons flycut, then have the heads milled to produce around a 58cc chamber. That 64cc chamber is really for blown engines. Don't the Sr.s come with an optional 58c chamber though?
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1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s
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