Three more engine packs: Chevrolet big block, Ford FE and Y-block

November 10, 2026

Three more engine packs for Street Rod are out. Grab them on the downloads page.

• Chevrolet big block: the Mark IV 396, 402, 427 and 454, from the L35 to the L71 Tri-Power, the aluminium ZL1 and the LS6, and a blown 454 drag engine. The Camaros, Chevelles, Novas, El Caminos, Impalas and Corvettes that came with one get it.
• Ford FE: the 352, 390, 406, 427 and 428, from the Galaxie’s two-barrel to the Shelby GT500’s Cobra Jet, and the 427 on its Weber cross-ram, as in the GT40. For the Galaxies, the Fairlane GT, the Thunderbird, the Shelbys, the Cobra 427, the Mustang Mach 1 and the F-350.
• Ford Y-block: the 239 to the Thunderbird 312 and the 1957 E-code dual quad, with a 312 hot rod on a velocity stack at the speed shops. For the 1956 F-100.

Each one installs like the others: Mod Manager → Install mods, pick the zip.

They’re on SourceForge too, with the other nine, for anyone who’d like to make them better: Improve the engine packs.