There's lots, actually.
crazy Turboed 261 (running on biogas maybe? in Spanish. Not sure what these guys are doing... pumping water? running a generator?)
http://www.youtube.com/watch?v=WC5Trh6YCtQ http://www.youtube.com/watch?v=wlCzJj39cMM http://www.youtube.com/watch?v=2gU6PC-_JU8 49 chev truck w/ updated 235, long video from multiple perspectives.
http://www.youtube.com/watch?v=xEH_kxHtVTw 62 235 in a 37 pickup. Open header.
driving:
http://www.youtube.com/watch?v=iZVEeLG8eI4 from outside (shows exhaust routing):
http://www.youtube.com/watch?v=XKTZ3DoiPhs 200 with tube header in 66 falcon.
driving:
http://www.youtube.com/watch?v=eXO_R8_E3dQ behind car:
http://www.youtube.com/watch?v=LWuo3zOj_Cc no info Model A (with zoomies and 3x2s, late chev 6?)
http://www.youtube.com/watch?v=GCgI6pJvG8g http://www.youtube.com/watch?v=bM4fVQ3JaKQ no info buick straight 6 (30s car, European plates?)
http://www.youtube.com/watch?v=GpHg4gw7ZxY 302 GMC
http://www.youtube.com/watch?v=kZPkYL8QdX0 250(?) with lots of mods (info included in link) in a 66 f-85. Sounds mean as hell.
http://www.youtube.com/watch?v=fx7xYOC011U Stovebolt, 12 second HA/GR run. Wild.
http://www.youtube.com/watch?v=6eB3HpJB838 292(?) idle, rev on test stand.
http://www.youtube.com/watch?v=ChAhq7BQ1Qo 258 jeep with electric exhaust cutout
http://www.youtube.com/watch?v=UE4ZVqaOCFw Trying to find a modified running a 153" or 151"...