Quote:
Originally Posted by t walgamuth
I don't see any problem with spraying wd 40 in with the glow plugs acting. Its just like diesel fuel.
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Uh, no.
The immediate danger is that if ether/wd40/starting fluid encounters a hot glow plug it can ignite instantly. Depending on the location of the piston at that moment, it may try to rotate backwards halfway through a combustion cycle, resulting in a bent rod or even a broken crank. Use a little too much, and it can cause an explosion in the intake with personal injury as a potential outcome - essentially turning your intake manifold into a pipe bomb.