I agree... last time I posted about brick testing I got thoroughly
flamed though... guess it's because I'm a "vendor".  Hope that the
engine rights folks don't get all pissed you said something as
insensitive as blowing an engine is fun ha.

Yeah high percentage nitromethane fuels will work great.. you can get
it in small quantities for model airplane and model car engines..
usually it isn't high enough percentage to do the trick, most of the
stuff you'll get runs up to 35% nitro but you'll want as high as
possible. Once on the way home from RC flying we had to run 35% nitro
to make it a mile to a gas station in my friend's old volvo 120,
didn't do anything but run well in the high rpms ha.  Nitrous oxide
will also do the trick... if you have some local speed shops.

Otherwise go with bob's coleman white gas... really anything low
octane will do it(as someone mentioned diesel as well) but it all
depends how "spectacular" of a show you're after. BTW the
"spectacularity" index varies in direct proportion to the danger level
I think.

Jim Akiba

On 11/29/07, Andrew Grebneff <andrew.grebneff@stonebow.otago.ac.nz> wrote:
> What can I put in the fuel of a car to make the engine fail quickly?
> It's a Mazda EFI 1.6 Familia (323) engine.
>
> Don't say sugar, please.
>
> Engine-blows can be such fun!
>