Hey, you Street Roadster guys . . . was it ever legal to run without a collector? Was it a different association or just a running rule change that allowed (or disallowed) individual stacks?
Hey S, Here is a modified version, straight from the 1960 NHRA rules book. At the time, it still was street legal roadsters, gas coupes and sedans. So, everything had to be legal from the DMV/CHP. This was the ruling that everyone had to follow back in 1960. Headers were OK, they just had to be wedged into a collector with a "Y" attachment to the street legal muffler system. https://www.jalopyjournal.com/forum/threads/half-fendered-hotrods.1189042/page-9#post-13648169 Of course, some just pushed the ruling to the limit, but it was street legal. We could not see this street roadster cruising around on a Friday night until late, then racing on Saturday, all day. It may have been done, but it was not an ordinary street roadster/daily driver. Jnaki Moon Tanks were still inside of most cabs in street class divisions, Roadsters and Gas Coupes/Sedans. Access to the valuable hand pump was an added plus. Ours was in front of the passenger side seat. It made for a cramped cruising around seating in our 1940 C/Gas 671 SBC Willys Coupe. But, it was not a daily driver. By the end of August 1960, all Moon Tanks had to be taken out of the seating area and moved forward or back in the trunk. So, starts the awful look of external Moon Tanks. With mechanical designing and placement, those Moon Tanks could be placed behind the front grille, keeping all exterior smoothness still a part of the race car. Not something that was an after thought. Atts Ono's red 1940 Willys B/Gas Coupe made its debut in 1964 at Lions. By then the rules on headers had changed. 1964
Quite a few in here both ways. when you get some spare time you could probably figure out from the photos the time frame. From the photos it looks like the earliest ones nobody had a collector. https://www.jalopyjournal.com/forum/threads/drag-roadsters-picture-thread.368825/
My old pal ("Nooner", R.I.P.) had a 3-1/2 gal. Moon tank between the frame horns of his icebox white '55 Chev., 454/M21 Muncie, 8.75" Dodge rear) Kept the Moon tank full of Rhine wine, pumped it out with pressure from a genuine 1960 Moon pressure pump. (Reisling would have been far superior...a 'Little Blue Nun'.)