Passon Hemi 4 speed OD

I read an article that Steve Dulcich did regarding the Passon overdrive. I emailed Steve and then called Passon and spoke with Jamie himself. This was two weeks ago. The price for the kit was $1995.00, plus another $140 for the 23 spline input, rebuild kit for the trans itself was $105 and sychros would set you back $55. That is should cover it. If you need a clutch and pressure plate and linkages or shifter add those too. I found a guy in Ontario, Ca that has a dismantling yard that will sell me a 6speed from a newly wrecked Challenger for $900 for the core. Then it needs to checked for 1-2 grinding. I know the cost of the conversion will require more but seems reasonable. Good luck...

I hear those 6 speeds are big and require quite a bit of cutting.

What article and which overdrive are you referring to? Are you referring to the Passons 5 speed overdrive or the Passons overdrive retro fit for 4 speed trans that the OP brought up (basically 3 speeds + overdrive just like the factory but better supposedly)?