whats the compression ratio ! that must be a special converter, what will it stall on the footbrake....... it must tighten up after you leave if you shift at 6000 rpm !89 coupe, back-half, 14-32 mt, scat crank,forged I-beams rods,srp,doves with ss valves,5800 tci,powerglide,4.88 gears,3100#,[email protected] on pump gas shifting at 6000