I had the same problem. There just isn't much clearance between the guard and the seal saver. The heat gun didn't work too well. The guards are pretty thick plastic and it kept bouncing back. So I strapped a softball inside the guard and then hit it with the heat gun. Let it sit over night. Did it a couple of times, really got the guard hot. Now I have enough clearance, no more rubbing on the seal saver.
Thanx man, i will try that "softball" thing maybe in the oven at 200 degrees?? Would this be ok. Yes I tried it over and under the plastic fork guide. Never could get them to open they went right back after a few days.
Have a holeshot device on right one now but I can take it off if I can get the fork guards right.