Since the bolts break easily, should I use an impact to remove them and hope I get lucky? I bought the Dorman kit that reuses that stock pan and has all new gaskets and bolts. Are you saying that won't work?
The Dorman kit will work, you just need to substitute your thin metal pan with the thicker aluminum one that's available these days.
Since you already have a kit with gaskets, just buy the aluminum plenum plate from the EBay link I sent. If that link shows to now be sold out, he will usually have a new listing immediately. He has 2 available on each listing and sells out pretty quick.
The bolt problem is kinda 2 problems possibly caused by there location next to the water port and the aluminum intake. The threads get corroded and the bolts themselves corrode, so the bolts are harder to get out and are actually thinner in one spot. Makes them real easy to break, so not sure if an impact will help. Every one that has broke on me has been long enough to grab with vise grips and then use a little MAP gas torch to heat them up and work them out.
Your's may not break bolts, I just think your chances increase with higher mileage. I had no broken bolts on my 60k mile '99 R/T and the 30k mile 5.9 that's in my Scamp, but also on a 130k 5.9 and an unknown mileage 5.2 I just did a few weeks ago.
You never know if they are going to break until you try and take them out.
