So i got my 98 Cobra back on the road again after a couple years of the occasional start here and there. I ended up having to replace the thermostat a couple months ago due to over heating. I had a hell of a time getting the system burped using the crossover pipe. Its sucks having to do it that way. I had left the coolant as full as I could and gave it up for a couple months again. When i went back to work on it again it wouldn't start. had to replace the fuel pump and now its running. Got the coolant figured out and get it out on the road. I drove it about 2 blocks with no problem and parked it for a couple hours. I went back to it to drive it home and it was driving like the clutch was going out. I had to rev it up to 3000 to get it to move and it would jerk like crazy threw 1st and 2nd. I drove it home about 5 miles and parked it in my driveway. On the way it was very hard to drive with it wanting to lunge and jerk a lot. I got it home and parked in the driveway. An hour later I went out to check it out and started it up put it in first and it drove normal. I took it for a trip around the block and it was fine. The check engine light was not on for the 5 mile drive home and drove like crap. On the trip around the block the check engine light was on and it drove fine. I know this was long winded. I just wanted to be as descriptive as possible. Has anyone had an issue like this. any ideas whats going on? Any ideas of what I should look in to?