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Here is a video of our supra running bullseye s258 turbo@16psi SDS em6, 630cc walbro pump, huge garrett 24x12x3.5 fmic with 26x8.5x15 slicks pump gas. last time we did 12.7@112@13.5psi (not 15psi like i posted boost gauge was defect) anyway we are upping the boost to 18-19psi race gas and see...

We are building this 89 supra 7mgte for fun and so far i think we are doing good. motor is stock but fulyl rebuilt with hks hg and arp studs. stock manifold with adapter plate to fit bigger turbo Bullseye 258 turbo with .70a/r turbine. 3" downpipe custom 24x12x3 fmic tial bov tial WG...