Sinister Drag Designs

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  • :wavey: what's up man! OMG, I have been away from here WAY TOO friggin LONG!! School is kicking MY ASS! How have you been ??
    can an injector cause a misfire at idle and be okay under acceleration. 1999 buick regal gs l67 engine.if possible , do you have a good injector i can buy? replaced wires and plugs. coil seems okay. newer valve springs installed when i installed s1x cam. didnt have the problem until i installed cam
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