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Oil question

19K views 31 replies 17 participants last post by  Oneacer  
#1 ·
Just got me a new Honda 928 and the Manual calls for 5W30 I have 6 jugs of Motorcraft SAE 5W-20 Synthetic Blend Motor Oil on my shelf and i'm wondering if it's ok to use instead of the 5W30?
My plan is to change oil at 5 hours BTW.
 
#5 · (Edited)
I originally wrote something different and changed my mind. Although I recognize that you live in Ontario I recommend not going with the 5W-20 synthetic blend for two reasons. First, the range is insufficient. Second, I wouldn't use synthetic or a blend during break-in. Having said that, I'd ask the dealer for a confirmation.

Go the full synthetic route after 5 hours - not a blend.
 
#6 ·
Seems like good advice to me. I'd run what they suggest, if nothing else for just some peace of mind. It's a nice, expensive machine. I'd want to treat it well. I'd let it break in for at least 5 hours, if possible, on regular oil, then switch to fully-synthetic. Heck, changing the oil with regular (non-synthetic) oil after maybe an hour wouldn't do any harm, just to help get any stuff from break-in out of the oil.
 
#9 · (Edited)
I'm stuck here. Who makes this Supertech Oil? Looking at the shelf at Walmart and Canadian Tire this morning, all the Major brands are there but didnt see any Supertech. I guess any brand will do the trick.
Just looked for a sticker on the engine to see whether i have a Gx, a Gc or Gs, but there is nothing identifying it. How can i tell?
Googled my Model # H88928ACTD and found this " Honda GX270T2, 4-stroke, OHV, single-cylinder"
https://powerequipment.honda.ca/snowblowers/28-inch-track-drive#specifications
 
#13 ·
Broke in is whatever your owners manual says It should be. Dino or synthetic or synthetic blend is fine for break in. The only reason people say use dino for break in is because it is a waste of expensive synthetic to only use for 5 or so hours before changing it. IMO for break in I would just follow the manual and use the reccomended viscosity of whatever oil I have on hand
 
#15 ·
Dino or synthetic or synthetic blend is fine for break in. The only reason people say use dino for break in is because it is a waste of expensive synthetic to only use for 5 or so hours before changing it.
The explanations that I've seen for using dino during break-in don't have to do with cost. It was because with synthetic during break-in, the piston rings may not seat properly, making things worse for the engine, rather than just your wallet.
 
#14 ·
I checked your manual and there doesn't seem to be anything specific for a break-in procedure, but it does say to change the oil the first time at 20h or 1st month, then every 100h after that. So to me, it sounds like Honda says it's good to go at 20h. I think that changing it at 5 hours is more of a general rule of thumb, which I feel wouldn't hurt.

What I would personally do is run the cheap conventional 5W30 for the first 5 hours, then dump it and run conventional again until you hit a total of 20 hours, then run a full synthetic (more so for easier starts) for the rest of its life.

Here's another thread: http://www.snowblowerforum.com/foru...lower-repairs-maintenance-forum/70602-new-engine-break-procedure-there-one.html
 
#16 · (Edited)
The basis for changing oil after break-in is engine manufacturing material brought into suspension during break-in must be removed because (unlike vehicles) snow blowers don't have oil filters. It's really a question of changing the oil before these materials can do damage to the engine.

Given this is already mid-January, I'd change the oil after 10 hours or less and then again when the snow blower is prepped for storage in 60-90 days.
 
#19 ·
I broke-in my Harbor Freight Greyhound 6.5hp Honda-clone with Supertech 5w-30 synthetic and that's what's been in it ever since-never a problem with that engine after 7 years.

I've done some reading on Supertech oils and they do quite well in testing.I use their 30W lawnmower oil in summer too.
 
#23 · (Edited)
I believe you'll find synthetic oil best for your needs and 5W-30 will be fine in Pa. Stay with a full synthetic not a blend and try to stick with a quality brand. I prefer Mobil, Pennzoil, Quaker State, or Valvoline. Buy it in a 5 quart container and you can use it in your mower, as well, as synthetic 5W30 has a broader temperature range than equivalent conventional oil.

While vehicles can go longer between oil changes, small engines (such as snow blowers) require oil changes at the same interval regardless of the oil used.
 
#22 ·
It seems 5W-30 is the best for winter use and most engines say to use it, I use Supertech synthetic in everything including my truck. Though it gets changed a little more frequent in the truck LOL
 
#29 ·
I'm using Castrol 5w30 in my old 70s/80s Ariens ST 270.

I figure it several ways:
- Oils have changed a lot since the oil was specified for my machine. They're engineered with better anti-frothing agents at this point.
- The 5w20 that was specified for my machine was specified to cover much colder areas than Toledo, Ohio.
- Some wear has occurred in the past 30-40 years of use and a slightly heavier oil is likely within spec considering the wear.
- It starts easier now with the 5w30 than when I got it a couple years ago from my Uncle after he got it from his neighbor. (Two easy pulls maximum.)