Getting my stroker bits together (m54b30 rotating assy) and found a small dimple on a piston. Now I've seen slightly worse but still usable. My concern is where the dimple is located. Should I scrap?
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My Pleasure:02 Honda 954, 02 Fronty 4x4
My Pain:91 BMW E30, 90 S13(sr'd)
"granthr said: ↑
I mention Metric Mechanic because it is a great way to empty your wallet to get unverified horsepower gains."
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Depends on whether or not you like pulling your motor apart multiple times. Why risk it? I say replace & be safeAdventures of an E30Originally posted by e30lov -
take a feeler gauge and measure side clearance of the top ring land to make sure area isnt pinched tight where dimple is ,if same all round just take a flat file and file to match existing contours and it'll be just fine to reuse since its above gudgeon pin area anyway
looks like it just got dropped onto something to cause the dimpleAngus
88 E30M3 X2
89 325IX
92 R100GS/PD
:)Comment
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^^^what he said.
If it didn't hurt the ring land, i wouldn't worry about it.
The piston in my ETA looks like hell after it ate a valve about 40k miles ago... :DComment
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Smooth it out so there are no raised edges and run it. Don't leave any sharp edges either.Comment
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