Quick oil question
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Cruiser
Joined: Nov 2007
Posts: 114
Likes: 0
From: MN
Quick oil question
Hi ,I'm going to be changing the oil in my 2 fatboys soon and need your opinion, I'm thinking of using amsoil synthetic 20w50 for the motor, spectro heavy duty primary chaincase oil for the primary and spectro platinum heavy duty synthetic GL-5 6- speed gear oil 75w140 in the transmission. Is it worth the money for the 20 dollar a quart for the transmission or is there something better. I currenty have amsoil 20w50 synthetic in all three holes. Any advice would be great so I can get the fluids changed soon. THANKS
Thread Starter
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Cruiser
Joined: Nov 2007
Posts: 114
Likes: 0
From: MN
I thought there would be a lot of opinions, I guess what i'm really wondering is if there is an oil that will work better in the transmission and primary to help shift better/smoother and for the wife to beable to find neutraul better. THANKS
Cruiser
Joined: Aug 2008
Posts: 152
Likes: 2
From: Stafford Springs, Ct
Goblish,
For what it's worth, these are my personal preferences.
Mobil 1 20w 50 synthetic in the crankcase $9.00/qt. X 3qts
Redline heavy shock proof in the tranny, $11.50/qt
Redline MTL in the primary $10.50/qt.
I buy the Redline products from Racer Parts Wholesale.
I believe they still are, or used to be an HDforum sponsor.
As of last year, I know if I mentioned HDforums to them I got a 10% discount.
I don't know if this is still in effect.
For what it's worth, these are my personal preferences.
Mobil 1 20w 50 synthetic in the crankcase $9.00/qt. X 3qts
Redline heavy shock proof in the tranny, $11.50/qt
Redline MTL in the primary $10.50/qt.
I buy the Redline products from Racer Parts Wholesale.
I believe they still are, or used to be an HDforum sponsor.
As of last year, I know if I mentioned HDforums to them I got a 10% discount.
I don't know if this is still in effect.
Ultimate HDF Member
Joined: Jul 2007
Posts: 5,577
Likes: 138
From: South of Dallas Area, Texas
I am using the Spectro oil in my transmission. Its not bad but its not the day/night difference that led me to spend the $20 bucks.
I am going to try the Redline next.
MikeM
I am going to try the Redline next.
MikeM
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Tourer
Joined: Jan 2009
Posts: 366
Likes: 11
From: Jacksonville, FL
I've found that having the Clutch adjusted properly takes care of shifting/finding neutral issues. Then you just use whatever brand of oil that makes you feel good.
Seasoned HDF Member
Joined: Apr 2006
Posts: 10,675
Likes: 95
From: Billings,Mt.
Last time I bought it, it was $13.50.
You can save some cash by using automotive tranny fluid or regular mc oil like Valvoline 20/50 for the primary.
Last edited by 1flhtk4me; Oct 20, 2009 at 07:43 PM.