I only have 1 car finished( ok they never really are) Panther Pink 74 duster 453 stretched from 440 by way of offset grinding the crank .060 got .055 strokex2= .110 thou more stroke=3.86 stroke ,I did this to up the comp 1 point also,452 heads gasket matched,528 mech cam,ebroc rpm intake, 850 speed demon,1 3/4 hedmans,3600 b+m,manual shift 727.430s in a 8.75, 12 point cage. frame connectors, comp leafs,+ snubber,mopar orange box ign,15x10 centerlines with mt 9x28 slicks. oh ya, she also runs the giggle gaz. Have not had it to the track with this combo.Next year will not come soon enough.What do u guys+gals think it will for #s. 3300lbs with driver, on or off the gaz. actual comp ratio=9.5 to1.