navye8 Posted April 23, 2020 Report Share Posted April 23, 2020 For those of you that have converted an Avanti 63/64 over to 700R4, were you able to use the neutral start and backup light switches on the shift selector over or did you modify set up. Link to comment Share on other sites More sharing options...
Gunslinger Posted April 23, 2020 Report Share Posted April 23, 2020 With the '70 I owned, the speed shop installer had to fabricate a new bracket and switches for the swap from a PowerShift to the 700R4. You're also gonna need a shifter quadrant from a later Avanti that came originally with the overdrive transmission or the shifter won't line up properly. Dan Booth at Nostalgic should have everything needed. Link to comment Share on other sites More sharing options...
PackardV8 Posted April 23, 2020 Report Share Posted April 23, 2020 It is possible to modify the Powershift setup, but it's easier just to get one of the millions of floor shift units from a GM in a U-Pik yard. No mods necessary. jack vines Link to comment Share on other sites More sharing options...
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