3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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Old Jan 24, 2023 | 12:35 PM
  #26  
gracer7-rx7's Avatar
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That is probably the least oily intake tract I've seen. Seems like there is always some oil in there regardless of how many miles are on the setup. PCV, oil leaking past turbo seals, BOVs recirculating into the intake etc. IMO it is not something to be concerned about at the quantities that you are seeing.
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Old Jan 24, 2023 | 12:52 PM
  #27  
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Thanks. Yes it might be minimal but in my eyes it was alarming especially on a motor with very little use or miles on it. I'm learning more and now see that I should minimize this further by adding an oil catch can but I'm puzzled on if I should keep the pcv valve or not.
From the research I've done I know that the 95+ have had the pcv valves eliminated from factory. Some say keep it. Some even recommended a one way valve from Phoenix performance . There are discussions on whether to keep vacuum on the catch can or not... Do many opinions.

Last edited by coolrotariesR1; Jan 24, 2023 at 01:44 PM.
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Old Jan 25, 2023 | 04:52 AM
  #28  
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you’d still be sucking bad vapors in by putting vacuum on the catch can. The only reason to do that is for EPA emissions. While it will help to prevent large amounts of sump oil from being burped into the intake tract, having the can piped to the intake is a self defeating exercise on a performance vehicle imo.

[soapbox on]Which anybody caught up in the Green hysteria has no business owning a rotary engine. It was named appropriately though. Because the whole thing is a greed initiative to rape the green from out of your wallet. The best way to get rich selling more is to disallow what you already own through laws, social pressure, outright lies, fear tactics, and so on. Some people are absolutely shameless when it comes to merchandising others for personal profit and/or to lord over them. [/soapbox off]
.

Last edited by TeamRX8; Jan 25, 2023 at 04:54 AM.
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Old Jan 25, 2023 | 07:49 AM
  #29  
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Originally Posted by TeamRX8
you’d still be sucking bad vapors in by putting vacuum on the catch can. The only reason to do that is for EPA emissions. While it will help to prevent large amounts of sump oil from being burped into the intake tract, having the can piped to the intake is a self defeating exercise on a performance vehicle imo.

[soapbox on]Which anybody caught up in the Green hysteria has no business owning a rotary engine. It was named appropriately though. Because the whole thing is a greed initiative to rape the green from out of your wallet. The best way to get rich selling more is to disallow what you already own through laws, social pressure, outright lies, fear tactics, and so on. Some people are absolutely shameless when it comes to merchandising others for personal profit and/or to lord over them. [/soapbox off]
.
Ha love the soapbox! Yes owning a rotary isn't for tree huggers... Lol
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Old Jan 25, 2023 | 03:17 PM
  #30  
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Originally Posted by coolrotariesR1
Thanks. Yes it might be minimal but in my eyes it was alarming especially on a motor with very little use or miles on it. I'm learning more and now see that I should minimize this further by adding an oil catch can but I'm puzzled on if I should keep the pcv valve or not.
From the research I've done I know that the 95+ have had the pcv valves eliminated from factory. Some say keep it. Some even recommended a one way valve from Phoenix performance . There are discussions on whether to keep vacuum on the catch can or not... Do many opinions.
Yep. Been there.
Oil catch can should help. Simplest way will not use the PCV and vent to atmosphere.
Similarly, if you are running twins, try to avoid routing the BOV, CRV back into the intake tract. Problem with that is the annoying noise.
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Old Jan 31, 2023 | 08:06 PM
  #31  
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Originally Posted by coolrotariesR1
Ha love the soapbox! Yes owning a rotary isn't for tree huggers... Lol
It definitely isn't !
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