[treessavoy]

Originally Posted by Paul Ceasrine

Alan,
The D-Dart mysteries makes your head spin.
Kind of like a 16 year-old virgin on a carousel, at a prison rodeo.
The D-Dart carb spacer part #2863052 (.938 thickness).
The intake (free-flowing/modified intake) may have been an earlier version, similar to, Vanke's intake modifications on the 67' R/O and W/O Hemi Super/Stock manifolds.
One things for sure, all small-block 273 Mopar guys were cutting out the center shut-out areas on the intakes, for increased air-flow at top-end, back then. As well as putting on a 15/16"-thick heat-risers between the carb. and intake, to prevent vapor lock.
Paul (I'm not sure, but the Hurst # may start with a DP-.... ???

Wonderful research, thanks for the in-depth info, keep it coming!

Thanks,

JimR