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· Yes, brothers own Supras
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2,628 Posts
Post the graph. Did u use a wideband? With that crappy 91 gas the ECU was probably pulling timing. If the BCC wasnt working then u wouldnt be able to get over 14.5 psi. Did u run new plugs? What was the gap? Alot more info is needed if u want people to help you.
 
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