4.8/5.3 How can you tell ?
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4.8/5.3 How can you tell ?
My motor has castings on the back that say 4.8/5.3 . How do you know for sure which one it is ? I was told it was a 5.3 by the junk yard it came from , but want to make sure I got the right thing .
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There is no paint mark on the back of the block , just the casting that says 4.8/5.3 . I tried looking in on of the spark plug holes , but can't see anything . Is there a way to look up the numbers , or any other way to tell ? Is the fuel injection system the same system , of can I maybe tell what it is by the fuel injection system ? Thanks for your input .
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the only way to tell is by the pistons rods and crank every other piece is the exact same on the engines if you are going to change oil pans look at the crank part number other then that the top of the piston or length or the rod is the only way to tell if u pull the piston to almost tdc you can see if it is flat or dish pistons thats the way i have always did it
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the only way to tell is by the pistons rods and crank every other piece is the exact same on the engines if you are going to change oil pans look at the crank part number other then that the top of the piston or length or the rod is the only way to tell if u pull the piston to almost tdc you can see if it is flat or dish pistons thats the way i have always did it
OK , with the piston at TDC you can see
The pistons are dished , so I guess I got the right motor
Thanks for the help guys , just wanted to make sure it was the right motor before I got too carried away with spending money on everything to get it to fit in the boat .
#10
the only way we could tell on my 07 motor was to call a local dealer and they looked up the number that is on the driverside rear part of the block right behind the head. the head gasket tab said 5.7 and the block said 4.8, 5.3 with dished pistons.