R134 boosters? QwikBoostT?

[David.Ullrich at ferguson.com]

Although the AC in my Coupe GT is cooling OK, I'd love to get it as cold as the AC that was in my Passat (vent temps under 40 degrees even on 100 degree high humidity days). Right now, given enough time, the R134a system in the Coupe will get down to around 44-46 degrees. Cold, but not frigid. I've started looking into R134a boosters & additives. Does anybody have any experience with these? Good? Bad? Are they just "snake oil"?

Here is the one I've looked at:

QwikBoost(tm) R134a Performance Additive:
Company Info: http://www.qwik.com/qwikboost-press-release.html
It seems to have been developed by NASA and has actually won some military awards: http://www.dtic.mil/techtransit/accomp/awards99.html Just scroll down to find it under the title "Performance-Enhancing Refrigerant Additive Reduces Energy Consumption"
Available for purchase here: http://www.acsource.com/cgi-bin/SoftCart.exe/scstore/p-QT2610.html?L+scstore+bffu7576+1024373375

Anybody used this stuff with any degree of success? Any thoughts?

Dave

Too Many Toys:
2002 VW Jetta GLS 1.8T Tiptronic
1993 RX-7 R1
1987.5 Audi Coupe GT "Special Build" 2.3 - Anthracite Black
1985 Chevy Impala SS
Former:
1981 Audi 4000 5+5
1982 Audi Coupe
1988 Audi 90 Quattro
1998 VW Passat GLS 1.8T