I have built up a 5.0 Bird dss 331 and a 4.6 bird and finally got a 98 mark viii. I have replaced the entire suspension, trans cooler, all poly bushings front/rear, all bracing offerd by supercoupeperformance, reinhardt sct tune with thermostat/plugs, maddog 2800 stall converter including new custom trans with jmod/force lube. 2.5 exhaust from cats back with stock tips. dynamated car with aftermarket system.
