Today, as unimpressive as it sounds, I took the Castle Nut off each drive shaft and removed them. I had tried in the past with an impact, however they were the OEM drive shafts so they were "Really On". I used a 1 1/4 HP grinder to literally cut the nut and used a pry bar to split the nut. The rest is history.
I am working on getting the dash out so that I can do a proper job of mounting all the stuff to the firewall. I am also going to get the engine bay ready for paint.
I'm surprised you had such trouble removing the axles from the hubs. Luckily I've only had to remove one of those nuts on my rustbucket, but it came off easily using a 1m long pipe on a breaker bar. The axle also slipped out after minimal persuasion with a BFH.
Anyway, now that you have the axles out are you going to be replacing them with something beefier?
The nice people at Steed Speed seem to have made the manifold go out on an angle away from the engine, There is easily one inch all around which is fantastic news.
I was obviously very interested to see if it looked like it would fit... One thing I noticed is that I need longer ARP Manifold Studs.. The SteedSpeed is a thick