[lsolon]

Here's my take on this issue and it doesn't pertain to a porsche. I have an 88 saab spg-turbo. I have modified it to a point where I'm now seeing around 200hp compared to 165 which was stock.Remember this is a 4 banger w\145,000 miles. I run 92 everyday. It runs very good with that gas. If I add octane boost("the outlaw", which I think is the best) I'm able to boost higher(18.5-19.5psi) and sustain the boost pressure longer than with just 92 octane(15-17psi). Not sure what increase in octane I'm getting by dumping this stuff in but, I can feel a great deal more power. The question is:"do you feel a difference by adding this to your tank?"