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questionable rotor housings

Old 11-10-18, 07:36 PM
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questionable rotor housings

I am rebuilding my na 13b in hopes to turbo it after its broken in again. once getting it open I saw that my rear iron was toast, the front one could probably stand to be lapped and my housings are questionable. one only has visible lines that are perpendicular to what chatter maks would be and the other one has these same lines but they can barely be felt. on both housings there is a small amount of flaking around the edge.

the worse of the two

lines are only visible
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Old 11-12-18, 06:56 AM
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Smells like 2 stroke.
 
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Goopy performance might be able to recondition your rotor housings. I've never personally used them but I've read good things about their service. I'd be hesitant to use those housings as-is if you can feel the wear.
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Old 11-13-18, 06:58 AM
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Thats what I thought, it is very light what you can feel but that likely means a loss of compression. Have you heard of the company that does a surface re-grind of the housing?(I can't think of the company's name)
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Old 11-13-18, 07:52 AM
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I have resurfaced housings that I'd let go for cheap, if interested, let me know!
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Old 11-13-18, 07:55 AM
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PM'd!
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Old 11-13-18, 08:05 AM
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only thing is I am on a pretty tight budget right now( I know, I know, rx7s and budget don't go well together) so would these housings work well enough? if not ill keep saving up and get some better ones.
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Old 11-14-18, 08:35 PM
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This sh*t burns oil!
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If youre on a budget and the chrome plating has not actually faked off of the housings towards the bottom between the lower spark plugs and exhaust port i would refuse them. Youre never going to get great compression even after break in, but it'll be enough to run(maybe 90-100psi).
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Old 12-28-18, 10:46 AM
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Have any of you guys used wet sandpaper so get out marks like these?
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