Chrome flaking between plugs – OK to rebuild?
#1
Chrome flaking between plugs – OK to rebuild?
I've been looking hard for a replacement housing and I found one in good shape except for a small bit of chrome missing between the spark plug holes. How big of a deal is it to be missing chrome there? My other housing has a tiny bit of chrome starting flake between the plugs on the opposite side, so I feel like they'd be relatively well matched.
Is this one worth using in a rebuild?
Is this one worth using in a rebuild?
#2
Rotary Enthusiast
Are the edges just dirty? It's hard to see them, but if they are good, the little bit by the plugs doesn't look bad.
Others will weigh in with more rebuild experience..
Others will weigh in with more rebuild experience..
#5
Correct - left edge about in the middle of the plugs. I haven't seen it here either and the chrome is all intact in the entire rest of the housing. I am unsure how chrome missing in this section would affect compression and since it's uncommon I'm not turning up much searching on the forum
#6
Rotary Enthusiast
iTrader: (1)
I'm no expert, but I'm guessing it has little effect on compression as the apex seal will pass over this area at the absolute beginning of the compression cycle, which is the same time that the seal is crossing the spark plug holes as well. Will it run? Yes. Will it be faster than someone with better housings? No.
#7
84SE-EGI helpy-helperton
If you think about the peritrochoid motion, that's also the slowest velocity point of apex seal movement, so I'd not expect to see flaking there and not somewhere more common, usually on the sides of the housings near the exhaust ports.
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