Bill has a great reputation and when you buy from someone you do have to take there word on what they sell, that's why you buy from some company's and not others.
Read what he has posted on his site about the operating rpm's of the cam and see if it will work with your mechanical pump. Remember...
I expected better numbers as well. I have been looking for a dyno sheet I have of my 98 from years ago, heath ecm and propane. It was a mustang dyno at a big Dodge event. just under 200rwhp with the ecm and 225 with the propane. Tq was all over the place as the tach pickup was not reliable...
http://www.ridrust.com/
This stuff works very good. Look on the site they show it with a sprayer and a pump setup with tarps containing it all to keep spraying. I have not done the spray setup but will someday. I have used it for parts and it's great.
I ran a precision billit converter tripple disc with no luck. Who do you have in mind to buy one from? Suncoast was doing them but i don't see them on the site anymore.
You should be able to, I can in my truck. I only build to the point of spinning the tires then let it rip. I didn't try doing it when i did my 0-60 mph run to see what it will add.
I did it for a comparison video for another guy who is running a different turbo setup, vs the ATT setup. There is some doubt as the the performance of the ATT