Jeep V8 Conversion guide Chevy Ford Dodge Engine Swap Ford V8’s The Small Block Ford V8 can be installed in most Jeeps although generally not as simply or economically as the Chevy V8. The Ford small block series are the 260, 289, 302 and 351W. The biggest problem with the Ford V8 is that the engine is longer than the Chevy V8 which is a problem on CJ Jeep CJ7 V8 Swap – freemansgarage Jul 09, 2016My Jeep is a 1986 CJ7. It originally had a AMC 258 6-Cyl with a T4 transmission and I installed a rebuilt 1973 AMC 304 V8 into it. The swap is pretty easy and did not require any special fabricated parts or expensive adapters.