Slant 6 most mpg's
A Dutra RV10-RDP cam (that is grind â„– 2106R from Oregon Cam Grinding), dialled-in very carefully.
HEI upgrade with distributor appropriately curved by DusterIdiot over on slantsix.org,
fuel line mod, and conversation beyond distributor recurving with DusterIdiot, who's been down the road you're looking at—multiple times.
