X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.2.1) with ESMTP id 2827821 for flyrotary@lancaironline.net; Tue, 01 Apr 2008 13:55:35 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Received: from edward2 ([75.191.186.236]) by cdptpa-omta06.mail.rr.com with SMTP id <20080401175455.VWL4667.cdptpa-omta06.mail.rr.com@edward2> for ; Tue, 1 Apr 2008 17:54:55 +0000 Message-ID: <002101c89421$8dcd6920$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Super-Tech was [FlyRotary] Re: 2-stroke oil Date: Tue, 1 Apr 2008 13:55:21 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01C89400.0689BCA0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_001E_01C89400.0689BCA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Al, back some time ago when I was using some very expensive 2 stroke = oils (like over $4.00/quart) , I decided to do some research. I came to = the conclusion that the Marine 2 stroke oils were probably as good as = was needed for our Rotary application. Some of the 2 stroke oils = designed for air cooled engines apparently have different formulations = to cope with the higher temps associated. In any case, I decided the = Wall-Mart Marine 2 stroke Super-Tech which meets TC-W3 standards(on the = back label) (and much less costly) was more than good enough. I no longer can find the source, but this oil was reportedly produced by = PENNZOIL for Wall-Mart. http://pennzoil.com/products/marine/index.html I have been using it for 4 years without any problem. FWIW Ed ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Tuesday, April 01, 2008 12:48 PM Subject: [FlyRotary] Re: 2-stroke oil For the premix oil I use any good BIA cert. TCW-3 2-stroke oil mixed = 50-50 with MMO both of which come from Walmart. Any of the Redline = 2-stroke oils would be excellent, including the snomobile stuff. The only 2-stroke oil I could find at the local Walmart was called = Super-Tech, and I couldn't find any certifications on it anywhere. Is = MMO proven for this application? My research also indicates that the = TCW-3 rating only is not recommended for watercraft (water-cooled = engines), where the NMMA rating is required. So do we best get the stuff = for air-cooled 2-stroke - which probably run hotter; the stuff for = watercraft - which probably run cooler; or something else (other than = Redline). Or is there no data to support a choice and I'm = over-analyzing and it doesn't matter anyway. Let us know if you notice any change when you go to premix. My old = 1988 RX-7 felt spunkier when I started using premix in it but it was an = old 150K mile beater. If you were doing the 50-50 MMO at the time, that could make a = difference. It contains both toluene and xylene which are very = combustible. Some 2-stroke oils contain other octane enhancers. The = Super-Tech is 'pre-diluted' ("with what"? you may ask) to make it mix = more readily with fuel. =20 What Pre-mix ratio?? IIRC, I've heard on this list to use about 1 oz = per gallon, which is about 130:1. Most 2-stroke applications are = somewhere in the 20 to 50 : 1. Al (Still grounded working on mods) ------=_NextPart_000_001E_01C89400.0689BCA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Al, back some time ago when I was using = some very=20 expensive 2 stroke oils (like over $4.00/quart) , I decided to do some=20 research.  I came to the conclusion that the Marine 2 stroke oils = were=20 probably as good as was needed for our Rotary application.  = Some of=20 the 2 stroke oils designed for air cooled engines apparently have = different=20 formulations to cope with the higher temps associated.  In any = case, I=20 decided the Wall-Mart Marine 2 stroke Super-Tech which meets TC-W3 = standards(on=20 the back label) (and much less costly) was more than good=20 enough.
 
I no longer can find the source, but = this oil was=20 reportedly produced by PENNZOIL for Wall-Mart.
 
http://pennzoil.c= om/products/marine/index.html
 
I have been using it for 4 years = without any=20 problem.
 
FWIW
 
Ed
----- Original Message -----
From:=20 Al = Gietzen=20
Sent: Tuesday, April 01, 2008 = 12:48=20 PM
Subject: [FlyRotary] Re: = 2-stroke=20 oil

For the premix oil I use any = good BIA=20 cert. TCW-3 2-stroke oil mixed 50-50 with MMO  both of which come = from=20 Walmart.  Any of the Redline 2-stroke oils would be excellent, = including=20 the snomobile stuff.

 

The only = 2-stroke=20 oil I could find at the local Walmart was called Super-Tech, and I = couldn=92t=20 find any certifications on it anywhere.  Is MMO proven for this=20 application?  My research also indicates that the TCW-3 rating = only is=20 not recommended for watercraft (water-cooled engines), where the NMMA = rating=20 is required. So do we best get the stuff for air-cooled 2-stroke =96 = which=20 probably run hotter; the stuff for watercraft =96 which probably run = cooler; or=20 something else (other than Redline).  Or is there no data to = support a=20 choice and I=92m over-analyzing and it doesn=92t matter=20 anyway.

 

Let us know if you notice any = change when=20 you go to premix.  My old 1988 RX-7 felt spunkier when I started = using=20 premix in it but it was an old 150K mile beater.

If you = were doing=20 the 50-50 MMO at the time, that could make a difference.  It = contains=20 both toluene and xylene which are very combustible. Some 2-stroke oils = contain=20 other octane enhancers.  The Super-Tech is =91pre-diluted=92 = (=93with what=94?=20 you may ask) to make it mix more readily with fuel.  =

 

What = Pre-mix=20 ratio??  = IIRC, I=92ve=20 heard on this list to use about 1 oz per gallon, which is about 130:1. =  Most 2-stroke applications are somewhere in the 20 to 50 :=20 1.

 

Al (Still = grounded=20 working on = mods)

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