[DML] Re: delorean fuel

["stainlessilusion" <5n-@xxxxxxx>]

 If you run an engine set up 
> for Super on regular, it will damage it.
> 
> Just my 2p
> 
> Martin
> 
I disagree- an engine will not receive any damage running 87 instead
of 93, 104, etc., OR the other way around. I have a extremely
expensive Ford 390FE engine now a 447 after the stroker with the
combination of custom pistons, cam and heads I chose, I'm supposed to
run at least 97, runs best with 104-this is only because of the
performance-not damage. The lower the octane you use for a high rated
octane engine, it will run horribly and provide less performance (just
ask a professional machine shop). Gasoline only enters the engine
through the intake and valves (or FI system), sits on the piston until
it explodes and then is gone; higher density (higher octane) the
better performance as well as fuel economy youâ??ll have-no damage
either way higher or lower. If you have a poorly built or designed
engine that's going to start knocking anyway, manufactures will tell
you to use higher octane only- to prolong the inevitable knock
otherwise, they will tell you to use higher octane so youâ??ll get the
performance (especially on turbo engines). Now if you were to run
leaded fuel in an unleaded car then you'll have valve seat problems,
if you run unleaded in a leaded car-you'll just have noisy valves, no
damage. Also- Higher octane DOES clean some of your engine-it is a
proven fact that the added detergents clean & keep clean parts of the
engine. -----Dani B. #5003








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