Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 541167 for flyrotary@lancaironline.net; Sun, 21 Nov 2004 19:10:12 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.64; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf16aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20041122000941.NODI1980.imf16aec.mail.bellsouth.net@rd> for ; Sun, 21 Nov 2004 19:09:41 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: how do you carry, and measure oil? Date: Sun, 21 Nov 2004 18:10:05 -0600 Message-ID: <01a601c4d027$9ed30cf0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01A7_01C4CFF5.54389CF0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_01A7_01C4CFF5.54389CF0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable As to whether MMO is better than 2-stroke oil, MMO is advertised mostly as a detergent.and an OIL additive. NOT as a fuel additive AFAIK.=20 It's advertised as both. The first use listed on the bottle is fuel (4 = oz per 10 gallons). =20 2-stroke oil OTOH is the ONLY lubrication a 150 hp outboard EVER SEES. =20 MMO doesn't advertise that, and if you were to call them up, I bet they would VIGOROUSLY OPPOSE substituting it for 2-stroke oil in your outboard. I'll mix the WalMart 2-stroke every time. =20 And I bet if you called up a 2-stroke oil company and asked them about = using it in your Mazda rotary, they oppose it just as vigorously. Actually, = in one of the RX-7 club threads, someone called Marvel Oil company, and was told that they don't recommend it for warranty purposes only. The rep = on the phone said that he personally used it for all his 2-strokes. Maybe = he gets it free :-) Around draining excess oil out of sumps, I'm wondering if perhaps that's a sign you're mixing too much MMO/2-stroke in with your gas? Perhaps go from 1 oz / gal to 3 oz / 4 gal or 2 oz per 3 gal until you're finding just a little extra in the sump. =20 Well, that was why I asked if anyone was using less than 1 oz per = gallon. Unfortunately, I don't think you can judge how much you need for your = apex seals by how much ends up in the sump. =20 Per your other message, there are lots of RX-7 guys who pre-mix. Some = just add 4 oz per tankful in addition to the omp. Others disable the omp and = run 1oz per gallon like we do. I may post a message to the RX-7 club to see = if anyone sees their sump level rise. =20 Rusty (MRI fixed, despite the evil parts department, no time to fly = though damit) ------=_NextPart_000_01A7_01C4CFF5.54389CF0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

As to whether MMO is better than 2-stroke oil, MMO is = advertised=20 mostly
as a detergent.and an OIL additive.  NOT as a fuel = additive=20 AFAIK. 

It's = advertised as=20 both.  The first use listed on the bottle is fuel (4 oz per 10=20 gallons).
 
2-stroke oil OTOH is the ONLY lubrication a 150 hp = outboard=20 EVER SEES.  
MMO doesn't advertise that, and if you were to = call=20 them up, I bet they
would VIGOROUSLY OPPOSE substituting it for = 2-stroke oil=20 in your
outboard.  I'll mix the WalMart 2-stroke every=20 time.
 
And I = bet if you called=20 up a 2-stroke oil company and asked them about using it in your Mazda = rotary,=20 they oppose it just as vigorously.  Actually, in one of the RX-7 = club=20 threads, someone called Marvel Oil company, and was told that they don't = recommend it for warranty purposes only.  The rep on the phone said = that he=20 personally used it for all his 2-strokes.  Maybe he gets it free=20 :-)

Around draining excess oil out of sumps, I'm wondering if = perhaps=20 that's
a sign you're mixing too much MMO/2-stroke in with your = gas? =20 Perhaps go
from 1 oz / gal to 3 oz / 4 gal or 2 oz per 3 gal until = you're=20 finding
just a little extra in the sump.
 
Well, that was why I = asked if anyone=20 was using less than 1 oz per gallon.  Unfortunately, I don't think = you can=20 judge how much you need for your apex seals by how much ends up in the=20 sump. 

Per your other = message, there are=20 lots of RX-7 guys who pre-mix.  Some just add 4 oz per tankful in = addition=20 to the omp.  Others disable the omp and run 1oz per gallon like we=20 do.  I may post a message to the RX-7 club to see if anyone sees = their sump=20 level rise.
 
Rusty (MRI fixed, = despite the evil=20 parts department, no time to fly though = damit)
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