Will this fit in my truck?

[xtreme80]

phoenix.craigslist.org/pt...19770.html

It's a great motor for a good price, but it says its a block from a 96-99.  I know my 194 heads will work on it, Im just not sure if all the mounting holes for accessories are the same.  I don't want to dump that kind of cash and have it not work.

Thanks!