Recent content by excursion00

I have a 2000 Ford Excursion that used to have a V10. I've put a 89 cummins 12v in. I have a tune that is driveable but it seems like i get the tranny to stay ina higher gear to build boost but then i sacrafice quick shifting when i'm sting from a dead stop. I would appreciate any insite.

hello comp d. 2000 Ford excursion with a 12v cummins.