Ok so I am going to start from the top about a year ago I had to replace my clutch. replaced with with a Valeo dual mast flywheel and a AMS auto clutch disk and pressure plate. both were 12 inch upgrades. after install had a problem with the firewall fixed that. now I have a problem when shifting mostly when I go to take off and starting. sometimes when I push in the clutch its easy and no problems but sometimes I push it down and its extremely hard and wont shift this is getting really annoying trying to go thru drive thru without grinding and tow trailers hook up and so on any help would be greatly appreciated.