If you're that struck on a 3.2 then still buy a 4 motion and swap the head for a R32 one, that way the inlet manifold etc will be R32 and no one will ever know the difference! Just makes more else financially but if that's not your concern then stick to your plan! Also, just to reiTerate what's already been said, don't waste money on standalone, factory management is far better suited to these setups. Get your looms hybrided up and immo defeat etc done.