Sorry i meant 7afe, but yes apparently the headgasket is .8mm from the factory which is thinner than a 16v 4age HG from factory (1mm) but have the same oil/water/bore and bolt holes aka are a match, therfore is you own say a ae92 sx/gti with a 4age, you can bump the compression up on the cheap by buying a factory replacement 7afe HG instead of a "cometic/TRD ect" .8mm head gasket.
I'd like to meet the guy, cant believe everything you hear till its from the mouth (no offence) i know 300kW is easily doable on a stock bottom end with a 4age.. maybe he underated the toyo factory gear by mistake
seen a dyno sheet from a guy over in NZ with a 4agte hatch, pushing 32psi though stock gze internals with a blacktop head making in excess of 350kW at the front treads so its deffs doable.
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