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*Valve Lube For Saito 100* - 3/16/2006 5:51:56 PM   
Zippi



Posts: 3022
Joined: 6/29/2004
From: Evansville, IN, USA
Status: offline 		I was getting my planes ready for this season and I was adjusting the valves on my Saito 100 for the first time. The instruction book said to lubricate all moveable parts but it didn't say with what. Whats do you guys use to lube the rocker arm assembly?

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RE: *Valve Lube For Saito 100* - 3/16/2006 6:09:46 PM   
XJet


 

Posts: 3345
Joined: 3/31/2003
From: Tokoroa, NEW ZEALAND
Status: offline 		I usually use some Mobil 1 synthetic motor oil -- after a year I've had zero problems with my Saitos and I regularly give the top-end an extra shot of oil, allowing plenty to run down the pushrod tubes into the camshaft area. I also use Mobil 1 as after-run oil.

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RE: *Valve Lube For Saito 100* - 3/16/2006 6:11:51 PM   
Zippi



Posts: 3022
Joined: 6/29/2004
From: Evansville, IN, USA
Status: offline 		Thats sounds good, any certain weight???
quote:

ORIGINAL: XJet

I usually use some Mobil 1 synthetic motor oil -- after a year I've had zero problems with my Saitos and I regularly give the top-end an extra shot of oil, allowing plenty to run down the pushrod tubes into the camshaft area. I also use Mobil 1 as after-run oil.



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RE: *Valve Lube For Saito 100* - 3/16/2006 6:16:34 PM   
MOTORMAN37



Posts: 2062
Joined: 10/26/2002
From: CLINTONVILLE, WI, USA
Status: online 		I used 5w20 MOBIL 1 last year. Before that I used Marvels Mistery Oil or ATF Automatic transmission Oil.

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RE: *Valve Lube For Saito 100* - 3/16/2006 6:19:56 PM   
Flyboy Dave



Posts: 13371
Joined: 3/20/2002
From: San Bernardino County, CA, USA
Status: offline 		I use straight castor, and I thin some slightly to run down the pushrod
tubes into the cam box. I don't use after run oil.

FBD.

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RE: *Valve Lube For Saito 100* - 3/16/2006 6:20:47 PM   
Zippi



Posts: 3022
Joined: 6/29/2004
From: Evansville, IN, USA
Status: offline 		I have some Marvels Mistery Oil. Thanks for the info.
quote:

ORIGINAL: MOTORMAN37

I used 5w20 MOBIL 1 last year. Before that I used Marvels Mistery Oil or ATF Automatic transmission Oil.



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RE: *Valve Lube For Saito 100* - 3/16/2006 7:14:54 PM   
w8ye



Posts: 17299
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		Saito uses Moly grease on the moving parts?

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RE: *Valve Lube For Saito 100* - 3/16/2006 7:54:22 PM   
loughbd


 

Posts: 2111
Joined: 11/29/2003
From: Bremerton, WA, USA
Status: offline 		Marvel Air tool oil, mystery oil or automatic transmission fluid. I use them to lube the whole engine after running, as in after run oil.

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RE: *Valve Lube For Saito 100* - 3/16/2006 8:08:39 PM   
Zippi



Posts: 3022
Joined: 6/29/2004
From: Evansville, IN, USA
Status: offline 		Never heard of Moly grease, can you get it or something similar at the auto parts store?
quote:

ORIGINAL: w8ye

Saito uses Moly grease on the moving parts?



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RE: *Valve Lube For Saito 100* - 3/16/2006 8:16:24 PM   
w8ye



Posts: 17299
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		Molybdenum Grease

It's the black chasis grease like you used to lube your car with.

It is sold in 1 lb and greater containers as Ford spec disc brake high temperature wheel bearing grease.

It's sold by Tower as well as the auto parts store.

http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXGS04&P=0

Enjoy,

Jim

< Message edited by w8ye -- 3/16/2006 8:17:57 PM >

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RE: *Valve Lube For Saito 100* - 3/16/2006 8:37:44 PM   
Ernie Misner


 

Posts: 3153
Joined: 7/5/2002
From: Tacoma, WA, USA
Status: offline 		Of all oils, synthetics are least known for their corrosion protection ability, unless I am missing something here with a a mobil brand?

Zippi, set the valves tight on that baby like Bill Robinson recommends.... .0015". It works wonderfully. The clearance does not diminish as they get hot like gas engines. If you use the stock feeler guage, set the clearance so it pulls through with some drag. Then when you remove it, just make sure you can feel a hair of clearance in the rocker arm. The Saitos love it.

Ernie

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RE: *Valve Lube For Saito 100* - 3/17/2006 12:12:04 AM   
XJet


 

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From: Tokoroa, NEW ZEALAND
Status: offline
quote:

ORIGINAL: Ernie Misner

Of all oils, synthetics are least known for their corrosion protection ability, unless I am missing something here with a a mobil brand?


Mobil 1 synthetic is a whole different oil to the synthetics we use in our fuels.

It's a highly polar oil which means that it is *very* good at corrosion protection -- I actually use it on all my machinery (mill, lathe, etc) in the workshop to stop rust. Just a drop or two and a wipe with a rag leaves all those metal surfaces rust-free no matter what the weather/humidity.

I wouldn't use synthetic model-fuel oil (because it provides no corrosion protection and is decidedly non-polar so is almost repelled by metal surfaces). I wouldn't use castor either -- because it has the potential to dry out and become gummy if you don't use your engine for a longer period of time. I *do* use castor in my fuel however -- about 5%-7%.


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RE: *Valve Lube For Saito 100* - 3/17/2006 12:58:54 PM   
MOTORMAN37



Posts: 2062
Joined: 10/26/2002
From: CLINTONVILLE, WI, USA
Status: online 		I do think it really matters, as long as they are oiled with something.

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RE: *Valve Lube For Saito 100* - 3/17/2006 4:33:19 PM   
William Robison



Posts: 20269
Joined: 11/10/2002
From: Mary Esther, Florida, FL, USA
Status: offline 		All:

As stated, so long as the valve gear is oiled any good oil will do. Personally, it's ATF Dexron.

A note on "Moly" grease. The chassis lube has a very small amount, but if you want a grease with a high percentage of molybdenum disulfide get a can of "Nevr-Seez" and use that. MoS2 greases are commonly used as break-in lube for cam lobes and their matching lifters, but using them anywhere else in an engine is not encouraged. The two elements will separate under high heat and pressure, the remaining crystalline sulfur acts as a polishing agent. If used in excess more places will be polished than desired, and this is nothing but preliminary wear.

If you want to use a grease on the rocker gear it's better to use a white lithium grease such as "Lubri-Plate" in your engine.

Bill.


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RE: *Valve Lube For Saito 100* - 3/17/2006 7:54:05 PM   
Ed Cregger



Posts: 7644
Joined: 1/31/2002
From: Ringgold, GA, USA
Status: offline 		I fail to see how grease could be of any use unless it had a low melting point and would then flow between the parts needing lubrication.

Ever see folks smear chassis grease on auto door hinges? A complete waste of time, plus it gets on folks clothes. A master mechanic taught me to never use grease where there wasn't a grease fitting that let you put the grease where it was needed - between the parts with friction.


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