Oil Question
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Tourer
Joined: Apr 2005
Posts: 393
Likes: 0
From: Fredericksburg, Virginia
Oil Question
So I know that this has been covered but I searched and didn't really find the anwser I was looking for. I have a 07 Road Glide and I live in Virginia. It gets pretty hot in the summer with humidity. I have been running Syn3 since it was new but I can't stand the loud primary. I have seen that some people have switched and it has made it more quite. I am hoping to find something that I can put in all 3 and achieve the same results. If not I will do whatever I need to. I use to run Mobile in the engine of my Ultra but I am not sure if I can use any type of Mobile product in the tranny and primary. Any input would be appreciate...
Grand HDF Member
Joined: Sep 2005
Posts: 4,890
Likes: 73
From: MA
If you want one oil that fits all, then you can use any 20/50 synthetic out there. Since the MoCo says that you can use their Syn3 in that application, then it follows that you can also use another brand. If this weren't the case, then the MoCo would have to supply you with Syn3 free of charge.
Try their Formula+ in the primary as a starting point.
Try their Formula+ in the primary as a starting point.
Road Master
Joined: Apr 2009
Posts: 915
Likes: 2
From: nw alabama
maybe you got somthing going on in the primary that needs to be addressed... chain adjusted, compensator going bad, clutch problems????just a thought.....synthetic in primary is over kill.. save some bucks and put dino in primary case... +1 on synthetic in the engine oil... . use gear oil in the tranny (redline shockproof)
Road Warrior
Joined: Sep 2007
Posts: 1,954
Likes: 148
From: Augusta, GA
maybe you got somthing going on in the primary that needs to be addressed... chain adjusted, compensator going bad, clutch problems????just a thought.....synthetic in primary is over kill.. save some bucks and put dino in primary case... +1 on synthetic in the engine oil... . use gear oil in the tranny (redline shockproof)
Road Captain
Joined: Feb 2008
Posts: 602
Likes: 2
From: SE Michigan
get the proper lubes for the proper applications.
engine, 20-50 synthetic oil of your choice
primary, HD formula + prim n trans lube or Amsoil super shift ATF or there's others
trans, 75W-90 amsoil severe gear
the point is you can use the SE syth3 in everything but not the best choice
engine, 20-50 synthetic oil of your choice
primary, HD formula + prim n trans lube or Amsoil super shift ATF or there's others
trans, 75W-90 amsoil severe gear
the point is you can use the SE syth3 in everything but not the best choice
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Tourer
Joined: Apr 2005
Posts: 393
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From: Fredericksburg, Virginia
Here is what I was thinking so far...
Mobile 1 - 20/50 in Engine
Mobile 1 - 75/90 in Tranny
Mobile 1 - 10/40 in Primary
Also has anyone found a better filter to use than the HD one. Well maybe not better because who really know but maybe cheaper? Fram or Mobile maybe???
Mobile 1 - 20/50 in Engine
Mobile 1 - 75/90 in Tranny
Mobile 1 - 10/40 in Primary
Also has anyone found a better filter to use than the HD one. Well maybe not better because who really know but maybe cheaper? Fram or Mobile maybe???
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Outstanding HDF Member
Joined: Sep 2008
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There's a BIG difference from what you "can" do and what you probably "should" do and I tend to agree with the posters who recommended different products for different holes. Not so much the primary as dino oil can be used there for coolant but for the motor and tranny. I myself buy three different products from RED LINE (synthetic) but will switch to dino oil for the primary next change.
Grand HDF Member
Joined: Sep 2005
Posts: 4,890
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From: MA
Mobil1 15-50 Synthetic $26.00 5qt. jug from Wal-Mart. Change every 5K miles.
Mobil1 75-90 Synthetic Tranny Oil $8.00 any auto parts store. Change once a season.
Castrol GTX 10-40 Dino $2.50qt for Primary from Wal-Mart. Change once a season. Using a synthetic in the primary is simply a waste of a good synthetic oil and a waste of money. Primary oil is not intended for lubrication. It is a coolant.
HD Super Premium Oil Filters. I buy 6 at a time from either Chicago HD or Zanottis online @ 20% off. Your filter is the weakest link in your lubrication cycle, why scrimp on it? It has the best filtering rating of any filter on the market. Change every 2500 miles.
Dayum, I luv oil threads.
Mobil1 75-90 Synthetic Tranny Oil $8.00 any auto parts store. Change once a season.
Castrol GTX 10-40 Dino $2.50qt for Primary from Wal-Mart. Change once a season. Using a synthetic in the primary is simply a waste of a good synthetic oil and a waste of money. Primary oil is not intended for lubrication. It is a coolant.
HD Super Premium Oil Filters. I buy 6 at a time from either Chicago HD or Zanottis online @ 20% off. Your filter is the weakest link in your lubrication cycle, why scrimp on it? It has the best filtering rating of any filter on the market. Change every 2500 miles.
Dayum, I luv oil threads.