I added mine roughly two years ago, when I had a Powerdyne. I really didn't see a boost increase, but boost did come on faster.
Unless you are planning on upping the boost, it may not be worth the investment right now...
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1986 Mustang LX
LenTech'ed & Vortech'ed
http://88gt.5liter.com/friends/rlun
Video link:
http://64.177.149.228/barney10.mpg
[This message has been edited by rel3rd (edited 03-18-2001).]