What engine is 0718000 xh in a 1979 Pontiac trans am?
The engine code "0718000XH" in a 1979 Pontiac Trans Am refers to a 400 cubic inch (6.6L) Pontiac V8. The specific internal components (like the carburetor and camshaft) could vary slightly depending on the options selected for that particular car, but the base engine is the 400.