Quote:
Originally Posted by Bill UK
Sorry unable to help you there, my own experience is simply maintaining the Supra in stock running order. Ok I've done 3 head gaskets repairs and a big end replacement over the years on several Supra`s, I do know most Supra`s are over 20 years old and it really depend on the condition of the engine vital components and other factors before increasing the BHP. At a guess you will defiantly need forged pistons (not cast) and a metal head gasket with ARP studs. As I said I'm no expert put I think the stock pistons are forged, not sure what BHP they can handle.
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Why have u done the head gasket repair so much i though at soon as a MHG was installed and Torqued down with ARP studs the problem was fixed and wouldn't happen again. I'm pretty sure the pistons on a stock 7M-GTE are forged.