mine is an '86 shortblock, reringed, magnum heads, roller cam reground by Bullet cams with a 259adv, 208@.050, .316" lobe lift (.506~ valve with magnum rockers) cam, magnum heads mildly home ported by me, edelbrock air gap intake, headers, 600CFM carb. no timeslips yet, but I'd estimate it pushes my 3900lb 5th ave to low 14's. gets about 17.5mpg mixed driving.

1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)