421 sbc first start up

first start of the s10, sbc 421. sbc 400 bored .40 over with scat stroker crank, scat rods, flat tops, 462 double hump heads with 2.02/1.6. cam is an erson cam 298 duration with 545 lift dont have the cam card to be exact but somewhere around there. roller rocker, screw in studs, edelbrock performer intake, holley 700cfm carb, still not tuned right

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