Need to test injectors

[eric schumacher]

What I have used is Stoddard solvent, also known as parts cleaner or paint
thinner.  It has a similar viscosity to gasoline and is relatively non flamable.
>> 
>> My question to everyone:  I hesitate to use gasoline for safety reasons.
>> Does anyone have any ideas as what liquid I can use that will still
>> be compatible with the injectors and fuel pump, yet not "explode" should
>> some accident occur?  I'm sure there must be businesses out there that
>> have injector flow benches and I'm curious as to what they use.