Ok wasnt really sure where to post this but here goes my gf has an 04 gp gt that according to her step dad the motor blew cause we ran synthetic oil blah blah but.not the point question i have is when it comes to.hills her car doesnt like accelerating up them at all even if she tries to floor it what could that be her last engine did the same exact thing any advice would be helpful i have an 01gtp and my way arpund both engines pretty good