427 small block chevy

  1. 4" crank in Dart SHP?

    I was planning on a 400 or 406 SBC, using a Dart SHP for my 1970 El Camino. Some of the short block vendors show a 427 (4.125 x 4.0) for the same price, using the Dart SHP or Little M. The Dart website says, basically, that a 3.750 is the longest crankshaft recommended. What do y'all think...