Safe way to switch LPG solenoid.
Posted: Thu Apr 24, 2008 2:27 am
A safe way to switch the LPG solenoid is to put a pressure switch connected to the inlet manifold. If the boost is below the set pressure say ± 3 psi the LPG is off. 
You don’t need the LPG at idle or low RPM anyway.
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Danie
You don’t need the LPG at idle or low RPM anyway._________________________
Danie