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Re: Any opinions on "octane boost" formulas out th (archive)

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Posted by Karl Seeger on March 02, 2001 at 09:28:51:

In Reply to: Any opinions on "octane boost" formulas out there? posted by John D. on March 02, 2001 at 08:12:20:

I use octane booster when at the track but not on the street. Being that my car is supercharged I require higher-octane fuel than most under boost conditions. Street fuel (around here, 92 octane) works fine on the street where I may be under full boost conditions for short periods of time (30 seconds or less). The result is my timing being backed off momentarily to suppress detonation. On the street this is hardly noticeable.

On the track, backing off my timing is very noticeable on long straights where I may be under full boost conditions for extended periods. At these times octane booster had made up the difference. It will only raise you up a few points from as little as 0.1 to as high as 1 depending on the "mix" and how much you use.

It can be hard on catalytic converters and it makes my car flat stink after a long track day. For a non-modified car I don't think it will do anything for you. If you are running higher compression or a high level of boost in a positive induction system you may need it (or better yet buy racing fuel).

It has its uses but in general I don't believe most people out there need it.

-Karl



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