My brother asked me if that was normal on his spyder, but I told him I didn't know. I went and looked, and when the car is running with the oil cap off, it's like air is rushing out of the hole. I don't know why he had it off with the car running, but he did and wanted to know if that was bad.
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#80176, "RE: Air blowing out of the oil cap hole?" In response to Reply # 2
similar question is it normal for wisps of air to be comming out of hte dipstick when the car is on Mods: CAI, OBX exhaust, Grillcraft grills, altezzas, ard ryver g6 17's wrapped w/ falken's, VIS racing c.f hood, 2 12" kicker comp's w/pioneer h.u, streetglow blue undercars, red dash kit, indiglo guages, n other shit