X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from snt0-omc2-s4.snt0.hotmail.com ([65.55.90.79] verified) by logan.com (CommuniGate Pro SMTP 5.4.6) with ESMTP id 5626986 for flyrotary@lancaironline.net; Tue, 26 Jun 2012 15:59:40 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.55.90.79; envelope-from=instructorbill@msn.com Received: from SNT136-W4 ([65.55.90.71]) by snt0-omc2-s4.snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Tue, 26 Jun 2012 12:59:06 -0700 Message-ID: Return-Path: instructorbill@msn.com Content-Type: multipart/alternative; boundary="_cdfe5cb6-28cc-4373-8620-e70b388eb55a_" X-Originating-IP: [50.131.29.38] From: William Mason To: Subject: Turbo oil drain on NA 13b front cover Date: Tue, 26 Jun 2012 12:59:05 -0700 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 26 Jun 2012 19:59:06.0259 (UTC) FILETIME=[24692630:01CD53D6] --_cdfe5cb6-28cc-4373-8620-e70b388eb55a_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Reading on an rx7 forum I've learned that there are multiple options for th= e turbo oil drain on an NA engine. I can weld a bung into the oil panI can change the front cover to the Tur= bo 2 oneI can drill and tap the NA cover to accept a -10AN fittingI can mak= e a oil metering pump block-off plate that will accept a -10AN fitting My concerns are that that option one would put the drain oil below the oil= level and add restriction. Option 2 would upset an already rebuilt engine= ... don't mess with perfection. Option 3 of the available areas to drill= and below the OMP pad and further down on the cover... the slanted section= =2C which one would be better? Option 4 seems best but it seems a little high and it too may cause some re= striction. Has anybody used the OMP block-off-plate drain idea with any success? Should I just put my big-boy pants on and take the front cover off and eith= er switch the front cover or drill/tap or tig a bung to the lower section o= f the front cover well below the OMP pad? Advice sought. Regards=2C=20 Bill Mason = --_cdfe5cb6-28cc-4373-8620-e70b388eb55a_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Reading on an rx7 forum I've learned that there are multiple options for th= e turbo oil drain on an NA engine.


  1. I can  =3B weld a= bung into the oil pan
  2. I can change the front cover to the Turbo 2 = one
  3. I can drill and tap the NA cover to accept a -10AN fitting
    4. =
  4. I can make a oil metering pump block-off plate that will accept a -10AN= fitting


My concerns are that  =3Bthat option one woul= d put the drain oil below the oil level and add restriction.  =3BOption= 2 would upset an already rebuilt engine...  =3Bdon't mess with perfect= ion.  =3BOption 3 of  =3Bthe available areas to drill and below the= OMP pad and further down on the cover... the slanted section=2C which one = would be better?


Option 4 seems best but it seems a little high = and it too may cause some restriction.


Has anybody used the OMP = block-off-plate drain idea with any success?
Should I just put my big-bo= y pants on and take the front cover off and either switch the front cover o= r drill/tap or tig a bung to the lower section of the front cover well belo= w the OMP pad?


Advice sought.


Regards=2C =3B
B= ill Mason
= --_cdfe5cb6-28cc-4373-8620-e70b388eb55a_--