i need to try to figer out what engine in my jeep owner before me got a engine put in it it a inline 6 but dont know what year so anything where the vin on the engine block and i got some numbers off it but idk what it is 702m27
What is the problem? Depending on the issue you are having it may not matter. If you know what part is failing you could pull it and then match it a the parts store. If you can find the same part, you will at least figure out what range of years it is.