1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Duplex Tip Seals

Old 10-04-01 | 11:29 AM
  #1  
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Duplex Tip Seals

I'm curious if anyone here has used the Duplex Apex Seals from HME?
http://www.hurleyrotary.com/HME_Long..._Tip_Seals.htm

I wanna get a re-build and port done next year, so I was considering getting the rotors machined to 3.5mm so I could use the Duplex seals.

Don't wanna spend the big$ unless it's worth it tho.
Old 10-04-01 | 12:39 PM
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That looks to me like an awesome idea!
Old 10-05-01 | 04:43 AM
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Yeha, they look great, but I thought I'd ask around first, see what I can learn.

The only problem is that you have to get your rotors machined to accept a 3.5 or 4mm apex seal, and it only shows them for 13B engines, but you'd have to e-mail and ask to be sure.

Last edited by smnc; 10-05-01 at 04:50 AM.
Old 10-05-01 | 09:14 AM
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I'd do your reasearch first.

Ask to see how the seals are at 7000-9000rpm where normal apex seals start to chatter. I don't doubt the benifits @ low rpm, but I'd be nervous @ high rpm.
Old 10-05-01 | 10:25 PM
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What was one of my major concerns too, and since I like to run my -SE at high revs it's a big issue.
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