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Joined: Nov 2008
Posts: 408 Likes: 10
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Nov 2008
Posts: 408 Likes: 10 |
I’m looking at the top of the pistons from a 1948 216 engine and noticed they are not only marked with the bore number but also a “J”. In some cases the J faces the front of the engine and other cases the rear. When I reassemble, does it make a difference? Apparently the last rebuilder didn’t think so.
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
If they are the original genuine cast iron pistons there is no front or back.
Gene Schneider
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Joined: May 2002
Posts: 6,149 Likes: 42
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: May 2002
Posts: 6,149 Likes: 42 |
If I am reading Gene's post correct it does not matter which way the pistons go in but I prefer to have them all with the markings to the front. I also put the bearings with the locating notch (generally not there on poured bearings) away from the thrust side.
Tony
1938 1/2 ton Hope to drive it before I retire
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