boost

Asked by 1964sparky Dec 31, 2018 at 09:57 PM about the 2004 Pontiac Grand Prix GTP

Question type: Car Customization

Does computer on 2004 GTP have  over boost protection built in? I have a GTP Comp G that bran fine until I install a  very small pulley on S.C. Now it seems like its running lean and possibly retarding timing.

1 Answer

Over speeding the supercharger can lead to problems like too much boost, detonation and engine destruction. You may need to install larger injectors and remap the ECU.

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