<VV> Looking for a 1965 posi-traction differential

Scott Ralston scott.ralston at charter.net
Thu Oct 25 10:36:19 EDT 2012


Greetings,

My father-in-law (Bob Dunahugh) is rebuilding the entire drive train of my 1965 140hp 4spd convertible.  The cam timing gear let go, and when he got inside the motor there was significant damage from pre-ignition.  We have no idea how that could have happened without noticing it.  It's still a mystery.

I have this car set up as a street/go-kart track race car.  Heavy duty springs and shocks, poly bushings everywhere, etc.  This car will have the snot beat out of it.  The goal of this rebuild is to NEVER have to pull the drive train apart again, so we haven't skimped on anything.  We've got about $3k in it so far for parts.  The differential has already been done, and as soon as the motor is finished it will all get put back together.

I've been wishy-washy on whether to leave it an open differential or change to a positraction unit.  I need to make the decision quick.  I had Clark's identify the parts to switch my differential over to posi, and it was around $800 with one of the parts not available.  That's an insane price for what I'm doing with this car.  So I thought I'd post this on VV and see if anybody can help.

Does anybody have a 1965 posi-traction differential they'd like to sell?

Thanks,

Scott Ralston


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