BaT Auction: Ford Cross Boss Intake and Autolite 875 Carburetor at No Reserve

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This Ford Mustang Boss 302 Cross Boss intake manifold and Autolite 875 cfm in-line carburetor were originally designed to help Ford win the 1970 SCCA Trans-American Championship. A limited number of sets were made for Ford-backed race teams, with 100-300 more reportedly produced for use by privateers. The sand-cast aluminum intake manifold was reportedly acquired in 2011 from the estate of a family formerly involved in Trans Am and NASCAR, while the carburetor was acquired from the founder of Paradise Wheels in 2014. The setup has not been used by the seller and is now offered in Copenhagen, Denmark with a Cobra-branded coolant manifold, hoses, adjustment spares, extra gaskets, and a bill of sale.

The Mustang Boss 302 appeared in the 1969 season of SCCA Trans-Am competition, and Autolite and Ford developed this in-line carburetor and cross-over manifold for the following year to improve fuel flow at lower RPMs. The throttle bore spacing is equal to that of the BOSS 302ci V8 in order to minimize travel of the fuel/air mixture. Ford won the Trans-Am championship with Parnelli Jones in 1970.

BaT Auction: Ford Cross Boss Intake and Autolite 875 Carburetor at No Reserve

The Autolite 4-barrel in-line carburetor features interchangeable venturi inserts and jets. A portion of the throttle linkage is retained and can be seen above. The carburetor is said to have been ultrasonically cleaned under previous ownership, and the accelerator seal and gaskets were replaced. The unit is reportedly set up to run with 2-3 psi  fuel pressure.

BaT Auction: Ford Cross Boss Intake and Autolite 875 Carburetor at No Reserve

The serial number “10037 0H4R” is stamped on the Autolite/Ford plate on the side of the carburetor, which is identified as a 875 cfm version by the DOZX9510A designation. The seller reports that less than 700 Autolite in-line carburetors (including 875 cfm and 1425 cfm versions) were manufactured.

BaT Auction: Ford Cross Boss Intake and Autolite 875 Carburetor at No Reserve

The Cross Boss manifold features equal-distance cross-over intake runners and bears stamping “DOZX-9425-A.

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