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Ester oil and plastic camshafts. #5232245 10/06/19 05:50 PM
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KMJ1992 Offline OP
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I like running top of the line oil in my mower. Why? Because it only takes half a qt, and has no filter, and I want to maximize engine life, so why not? Anyways, I'm debating on trying Redline or Motul, but I'm curious whether this is wise considering that my engine has a plastic camshaft, and I've read that plastics and esters may not play well together. Engine is a Briggs Pro 7.75. I haven't analyzed the oil or anything, but just based on what the oil looked like at the end of the year, my ranking so far is

1- Valvoline VR1 Synthetic 10w30
2- Motorcraft 5w40 Synthetic
3- M1 TDT 5w40 Synthetic.
4- RP SN 10w30 (may be biased result because it was purple to start, but it seemed too thin also. Like a 20w)

The VR1 stayed clean significantly longer than the others. I know that's not scientific, but this began as a brand new engine and has had synthetic since breakin and yearly changes, so I very much doubt it's "because the others cleaned better." The engine sparkles inside, there is nothing to clean. It could be that the engine is only now 100% broken in, and was letting more past the rings the first couple years. I have a small yard, so it maybe gets 60 hours a year. If it continues to keep oil clean longer, I may re run some of the earlier oils and see if there is a change. It's just for fun, my way of being a nerd. (One of them anyways haha) I don't plan to do analysis, but I will be trying the standout oils in my 1959 John Deere 530 gas tractor, so maybe that I will analyze. I don't think even this site has many if any analysis records for one of those!

Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232262 10/06/19 06:10 PM
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Linctex Offline
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Interesting ....

I always run the cheapest 15W-40 I can find anywhere.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232271 10/06/19 06:25 PM
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littlehulkster Offline
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I mean, it's your money, but I don't see any reason to not just run the cheapest oil in your mower. Mine gets 30wt Mag1 and it runs fine.


2015 Mazda3 I 2.0
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232320 10/06/19 07:11 PM
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LotI Offline
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Just like your car, it’s more important to change it than what you use.

I would be willing to bet most mowers don’t get yearly changes.

After break-in(5 years ago)the oil in my GCV160 looks clean all year. I’ve used QSUD, M1, PUP.


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450 Cutaway
19 Buick Regal TourX http://www.fuelly.com/car/buick/regal_tourx/2019/loti/943992
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232352 10/06/19 07:44 PM
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Propflux01 Offline
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I use 5w-30 Stuper Tech in my Honda. Clean as a whistle, and doesn't use a drop. Going on 5 years now.


2014 Hyundai Elantra
2014 Hyundai Elantra GT

A 55 Gallon Drum And A Shovel Can Solve A lot of Life's Little "Problems"
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232393 10/06/19 08:20 PM
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oldhp Offline
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I must've missed the party. Plastic camshaft???


"None of us are getting out here alive.....drink that beer.....eat that pizza......drive that Hot Rod"
"When others cut you down, remember where they came from."
"I don't run...........I just wait"
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232394 10/06/19 08:22 PM
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jsfalls Offline
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I've had the same push mower since 2006. Changed the oil twice with whatever was the cheapest 10w30 at the farm store near me (it takes maybe a little over half a quart). It still runs fine. Small engines / lawnmowers don't really seem to care as long as there is oil in there.


2012 Mazda 5 - Havoline 0W20, Idemitsu ATF
2003 Honda Civic EX - Bulk oil
2004 Trailblazer - needs an oil change ....
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232432 10/06/19 09:00 PM
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domer10 Offline
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If they are starting to put “plastic” camshafts in lawn mowers and small engines, I would not be stressing this much over what oil you are going to use. Put in what the factory recommends, and be done with it.


2013Jeep Wrangler Sahara Unlimited
2001 Toyota 4Runner
20010 Harley Davidson Rocker
Re: Ester oil and plastic camshafts. [Re: oldhp] #5232439 10/06/19 09:06 PM
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Mainia Offline
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Originally Posted by oldhp
I must've missed the party. Plastic camshaft???


https://mower-parts-pre-owned.com/product/briggs-stratton-camshaft-693404/

Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232445 10/06/19 09:11 PM
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sloinker Offline
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Aren't the newest mowers oil change free? Add as required?


'16 Tiguan TSI Ravenol VST 5W40
'15 VW Golf TDI Ravenol VMP 5W30
'15 VW Golf Sportwagen TDI VMP 5W30
'14 Dodge Grand Caravan 3.6 Red Line Blue Label 5W20
'64 Plymouth Fury440 Red Line Blue Label 10W40
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232496 10/06/19 10:33 PM
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JohnnyJohnson Online Content
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Plastic Camshafts the newest technology in throw away cars?


2004 Corolla 136202
Out: EDGE EP 5W-30 Bosch 3311 7156 Miles
In: Havoline Pro DS 10w-30 Purolator PureOne 3-14-19 129693
2006 Duramax 76661
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232503 10/06/19 10:52 PM
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AVB Online Content
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I don't know when the plastic cams started, I saw my first one back around 2001.

Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232506 10/06/19 10:59 PM
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[Linked Image from i.imgur.com]

Re: Ester oil and plastic camshafts. [Re: KMJ1992] #5232536 10/07/19 12:01 AM
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Silk Offline
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The ones I've seen are black. So much for needing ZDDP in a flat tappet engine.


1987 BMW R65 - Penrite VTwin 20-50
2005 Nissan Expert - 5W-30 Castrol Edge
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.
Re: Ester oil and plastic camshafts. [Re: Mainia] #5232563 10/07/19 01:30 AM
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oldhp Offline
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Originally Posted by Mainia
Originally Posted by oldhp
I must've missed the party. Plastic camshaft???


https://mower-parts-pre-owned.com/product/briggs-stratton-camshaft-693404/


Well I'll be a sittin' outside lookin' for those flying pigs................. crzy


"None of us are getting out here alive.....drink that beer.....eat that pizza......drive that Hot Rod"
"When others cut you down, remember where they came from."
"I don't run...........I just wait"
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