ATF in Primary???
Thread Starter
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Outstanding HDF Member
Joined: Jul 2007
Posts: 3,410
Likes: 8
From: Knoxville, TN
ATF in Primary???
I know some of you guys are running ATF in your primary.
Are there any disadvantages to this?
EXACTLY, what are you running?
Dexron Mercron...what???
Are there any disadvantages to this?
EXACTLY, what are you running?
Dexron Mercron...what???
Road Master
Joined: Apr 2007
Posts: 929
Likes: 1
From: Blue Springs, MO
I use Dexron III and change every 3 oil changes not sure if that is good or bad but I like to keep it clean, that is just me. Ride safe.
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Ultimate HDF Member
Joined: May 2008
Posts: 7,439
Likes: 884
From: 'Noke, VA
Amsoil Supershift. Change it every 10k, same as the transmission (which has Amsoil Severe Gear 75W-90). Shifts are smooth and positive, neutral's easier to find, and I've seen no downsides.
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Ultimate HDF Member
Joined: Feb 2007
Posts: 7,663
Likes: 7
From: Northeast Ohio
Have run Dexron II/III for the last 45000 miles without issue. The B&M trickshift and the Mercon makes it just a tad harder to find and maintain the friction zone for low speed manuevering.
I change the primary oil at 10,000 miles just cause it has clutch dust in it, but could go longer.
I change the primary oil at 10,000 miles just cause it has clutch dust in it, but could go longer.
