So I just recently fixed the vacuum problems that my car had because the previous owner "fixed" things on it. Anyways, I noticed that on boost, the ac blower fades from face to foot which I think is caused by the positive pressure. I looked in the FSM and there is a check valve in-line but it didn't really say which way it was supposed to go. I installed one going both directions and they both resulted in me not being able to change the face/foot/defrost. Any ideas on why this is? Did I buy the

Jaguar C-X75 - A Hybrid Supercar Prototype without equal  

I'm doing a poll for a project of mine.   http://www.webpollgenerator.com/ViewPoll.php?p=51cbe078558c3

so i needed a rebuild on the turbo on the 87 starion i bought . got a kit on ebay and rebuilt it the seals and shaft went back together and on the exaust side didnt look right . and of course its blowing smoke out the exaust wile the turbo is not hooked up to the intake so im wondering what is an ok replacement for a stock motor off ebay i can get.