hey guys, I am looking at putting more hp. I will be making a trip to ark. & missouri. maybe to minn. pulling a 9,000# camper this summer. last summer we hit the east coast, virginia,w virginia,kentucky,& tenn. I did hit some good hills and was down to 2nd. gear at times, trans is stock,just need that extra muscle. truck does good down south, what you guys are running, also the turbo, the waste gate open at 18-19 psi. on turbo. do i need to get something to keep it closed. more fuel more air right. thanks r crosby