how do you guys like the TBI 305 engines. I have had some 350's, but never a 305. Also, a '87 Blazer Im looking at, appears to have a NP 208, although when I research it, I find only '88's and up had it. The T-case is definitely not a 205 or 203. What else could it be? Sorry about the newbie questions, but I want to get my truck set up the right way from the get go. Thanks.