ive got a prob with id ing an fe motor,aint got the talent or the tools to check the stroke accurately.what i need to know is how can i find out if its a 360 or a 390 like the breather says.cant trace the truck as it came to me with no paperwork and the cab is off of a 78.any help would be appreciated.
casting numbers in the block should telling you I would think didnt that with my 302 to find out the year and it came in engine size and year and a few other things in google
FE 's are hard to tell forshure without taking the bore/ stroke. There is a date code above the starter. Some later blocks have a partial VIN stamped above the bellhousing, don't know if it includes the 5th digit engine code. But I DO know that if it has "SUPER" stamped on a machined pad on the bottom of the block, its JUNK, and should be sent dierctly to me for propper disposal
thing is engine is still in the truck making finding #'s a bit tough.it is a auto 4x4 so its worth looking in to.runs ex.even with a real crappy 2bbl and points ign.
Probably wont know for sure unless you check stroke or drop the oil pan and check the stamp. It really dosnt matter as everything is interchangable and both seem underpowered with a 2 barrel carb to me.
and if by some freak of luck, it says super there what exactly is it.cant get near pullin the pan right now,gotta move alot stuff before winter hits,and i mean alota stuff.
Here's an easy way to tell. Take out any spark plug that is easy to get to. You will need a friend to help. Get a small rod ( a 22cal cleaning rod works great ). Have your friend turn the engine while you hold the rod parallel to the piston through the plug hole. when it gets all the way to the bottom have him stop and you make a mark to some reference on the head. Turn the engine until the rod is at the top of the stroke and measure the length from the same reference point. A 360 will be 3½" and the 390 will be 3¾"!
