Well your 505 sounds very different from mine, but similar in a few aspects. Unlike yours, mine is a turbo diesel with an automatic 3-speed so it is pretty tame, But it has the same great suspension and the older styed interior (super compfy). I've had some problems with my 505 in the past few years but never anything to major. At the same time, I've had alot of fun too. I think the worst it ever treated me is it died at the movie theatre one night and I had to come back to it the next day. Turned out to be the starter bendix going bad. The vaccum pump vent out on it too once, leaving me without power brakes. That was a fun weak (I was a seinor in high school at the time). But all in all, for me it has been a great car and as much as I tried to abuse it the car seemed to take it and keep on ticking. Right now, I'm saving up the 505 funds and am going to rebuild a seperate/spare XD2S cylinder head and turbo I have laying around.