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Numbers on side the block help please..


Moparmike
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Ok guys I have some numbers off the passenger side of my engine I was told that they would help me in the engine info area..someone change the valve cover on my engine..so if there's Anybody that can offer any help I would appreciate it very much ..

 

Looks like 

7y0774

552m.  3740.    1272

 

Stamped under the eup in a flat spot ..mack told me that its either on the drivers side by starter or by eup and thos is by eup ..thanks again guys for all the help 

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  • 2 weeks later...

Well found out today that it's a E7 427 in the truck ..got in touch with the guy I got it from..1999 model..so what's the thoughts on this engine guys .looks like new cam and lifters 1 lifter is beat up and the lobe on the cam matches..push rods are good to go rollers on eup are good to go 1 cylinder has a few scratches that I'm not comfortable with also going to put new cam bearings in..

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