Fuel -- Florida Street Stock 100

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Date Posted: 17:21:36 06/30/00 Fri
Author: Dave (fsstek)
Subject: Fuel

I guess most people knew all about stagger, lets try some new ground.I'm not a chemist,but have been an aircraft mechanic and car mechanic for a while, so this is my OPINION based on that experience.
Fuel for stock cars is one Very Important consideration. I'll make this short and sweet.... Buy the best-highest octane you can. You will be able to put much more timing advance into your engine and get much more power out ! Without breaking pistons.... How much ? I consistantly ran 38 degrees total advance and NEVER broke or burned a piston.. I also qualified with as much as 45 degrees (once with 55 degrees but didn't mean to !). This was a 355 flat top motor with cast pistons. Depending on your engine/cam combination, you may get similar results. You will never approach full power with fuel from the "Gas and Go" station on the way to the track. And OH,BY THE Way ..... DON"T use Avgas (aviation fuel). Aircraft internal combustion engines are low compression,low RPM engines.Aviation fuel was not formulated for high compression,lots of spark advance and high RPM. !Just 'cause they fly high doesn't mean they use better fuel. Aviation fuels contain chemicals thet help eliminate or at least suppress carb icing. Aircraft carbs have a tendancy to ice up at altitude.(That Ain't Good !)The fuel they use is formulated to help eliminate that characteristic.This is not what we look for in a fuel for racing. That's why they call the good stuff "Racing Fuel"
Use it and get the full advantage of the potential in your engine. Oh also... Contrary to the "old wives tales".There isn't any comercialy available fuel that is "too Hot" for an engine. Only If you start mixing "stuff" with it, like oxidizers. So you aren't going to hurt a stock engine by using racing fuel.
Have a great racing weekend and...
If It ain't fun, don't do it.
Dave fsstek

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Replies:

Re: Fuel -- Alabama Preacher, 20:31:04 06/30/00 Fri
- Re: Fuel -- Dave, 05:15:31 07/01/00 Sat
  - Re: Fuel -- A.P., 21:53:48 07/01/00 Sat
    - Re: Fuel -- Dave, 05:27:47 07/02/00 Sun
      - Re: Fuel -- dgould, 07:57:41 07/02/00 Sun