I Just picked up a 86 GT and have owned many fox body mustangs since 1996. This is my 1st time with a problem like this. I replaced the oil the same day I picked up my baby and go to check it after adding 5 quarts. The dip stick was very stubborn to pull out but I managed to get it out. I go to put it back in and won’t go back in for anything. Has anyone had this problem before? Also, I noticed that the tube isn’t attached to the header like my other cars have been in the past. The car is completely stock with 77,800 miles on odometer. Also, I went for my 1st drive and was very tight and smooth except after about 12 miles my odometer and Speedo just stopped working out of the blue. I still need to get car inspected too. Today I scrapped off the tints. Please advise