@miriamo25: Did anyone ever make performance parts for the 3100? YES — RSM Racing even sold a bolt-on Vortech supercharger kit for it, rated at 250 horsepower. Headers existed (S&S, TOG, Pacesetter). DHP tuned them back then. And WOT-Tech is STILL open today selling brand-new 3100 parts — roller cams, tuned computers, 56mm throttle bodies. The move the 3100 crowd swears by: the 3400 top swap — the 3400 is a bored-out 3100, so its top end, throttle body, and even its headers cross over. The 3800's parts do NOT (different family — that mix-up costs people money). One honest note: the 1999–2005 Grand Am SE's V6 was the 3400 — the 3100 powered the Grand Prix SE, the Malibu, the Century, and the earlier Grand Am. Hunting a surviving supercharger kit or a set of S&S headers? Our Community Classifieds board opens Friday, November 13th, 2026, to every Pontiac car — post what you're hunting. SE owner who's been told your engine got nothing — what are you building toward with yours: a little more pep for the daily drive, or a real build? #Pontiac #GrandPrix #GrandAm #3100 #CarsOfTikTok

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