[ GM Corporate USA ]
GRAND BLANC, MICH. -- IHRA and ADRL Pro Modified driver Harold Martin - the "EFI Wizard" - has had an illustrious career, both on and off the track. An entrepreneur and engineer, ACDelco-sponsored Pontiac racer Martin is again competing in two separate racing circuits this season in addition to taking on a new role for ACDelco: youth outreach. ...

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