My 76 CJ likely came with a 304 CI V-8, but someone replaced it with a AMC 360 CI with headers and coupled with a GM TH400 Hydramatic - both once belonging to a Jeep Grand Wagoneer.I had the engine repaired when the distributor gear failed to get lubed, and had a new cam and timing chain installed, as well as new water pump. I bought new headers and had them professionally installed with 100% new exhaust. I…