mercury

Long story short the car sat from 2005-Now in 2020. i got it to start but it would not idle so i took apart the carb and put new floats in. when i put the carb back in the car did not have spark. Here is a list of all the parts ive replaced. Spark plugs Coil Ignition module Ignition Switch...

Sorry if this is ill placed or the wrong place to ask. But I am buying a 68 cougar and the gentleman is saying it came stock with a 351 cleveland. According to my knowledge and decoding the vin that was not a option. But not to say one was not put in there at some point, how can I identify the...