I have one on my road runner that I bought used from a member here several years ago. It's old, but hasn't seen much use...but will soon. Still works good. Yeah, I know this is no help for you, but figured I'd post since I do own one.

440%20Indy.jpg
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax