ignition switch, and being a 90 it might be digi ??, could be the transfer pump in the tank,
are the plug wires on right and dubble check make sure the distributor is timed right,
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EuroRat #2+#3
"YEA THOUGH I ROLL THROUGH THE VALLEY OF THE SHADOW OF RICE, I WILL FEAR NO TURBO FOR DISPLACEMENT AND TORQUE ART WITH ME... MY RODS AND MY PISTONS THEY COMFORT ME.."
bought not broken!!!
member #2 
"having a big turbo is like having a big dick; it's not immediately obvious to everyone, but you have to just rest assured that when it comes time to put it to use, you won't need to explain a whole lot afterwards"