i've always wanted one and have a couple [ponchos,that is]what engine is more responsive to h.p. quests?the 69 400's or 70 455's.what about out of the box?which can stand more overbore,what stroker mods. available?i'm looking at a 69 judge v.s. a 70 with 455 and a4 speed.thanks for your knowledge and opinions!jimm