Supertrapp Fatshotz Question (Installing diffuser disks)
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Tourer
Joined: Jul 2013
Posts: 457
Likes: 73
From: New Hampshire
Supertrapp Fatshotz Question (Installing diffuser disks)
Does anyone have any quick tips on installing/removing diffuser disks on Supertrapp slipons? I've got a set of Fatshotz on my '05 Electra Glide and they're great. I run about 10 discs per side but sometimes I run them without any discs at all.
Re-installing the discs can be tedious though. The manual gives the torque pattern for the bolts and says each bolt should be tightened to 15-25 inch pounds. Or, if you don't have a torque wrench, 1/4 turn once the bolt makes contact with the top disc.
25 in/lbs seems way too tight and 1/4 turn seems way too loose. Does anyone have any suggestions?
Thanks in advance!
Re-installing the discs can be tedious though. The manual gives the torque pattern for the bolts and says each bolt should be tightened to 15-25 inch pounds. Or, if you don't have a torque wrench, 1/4 turn once the bolt makes contact with the top disc.
25 in/lbs seems way too tight and 1/4 turn seems way too loose. Does anyone have any suggestions?
Thanks in advance!
Road Master
Joined: Feb 2010
Posts: 1,220
Likes: 24
From: here
when r + r ing the discs bind up
have broken off bolts in the pipe because of this
last time i did it i drilled all the discs out with next size up drill bit and install was smooth as butter
lube the **** out of it don't torque till all bolts are snug
I run kerker/supertrapps exhaust on all three bikes of mine
19 discs 2 into 1
have broken off bolts in the pipe because of this
last time i did it i drilled all the discs out with next size up drill bit and install was smooth as butter
lube the **** out of it don't torque till all bolts are snug
I run kerker/supertrapps exhaust on all three bikes of mine
19 discs 2 into 1
Seasoned HDF Member
Joined: Nov 2010
Posts: 17,548
Likes: 7,214
From: Oxford, Nc
I preloaded my discs on the screws and then started all the screws at the same time. Ran each one down a few turns at a time and never experienced any bind.
And a Torque wrench on diffuser discs? God I'm gettin' old! How about just snug 'em up? ( Haven't had one come loose yet
)
And a Torque wrench on diffuser discs? God I'm gettin' old! How about just snug 'em up? ( Haven't had one come loose yet
)
Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
Likes: 143
From: Santa Cruz
Reason for the low torque is too tight will crush the discs and cut-off/slow the exhaust flow.
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Advanced
Joined: Feb 2010
Posts: 92
Likes: 0
From: Tallahassee Florida
Step 1.Cuss it all the way out.
Step 2. Tighten them up with a 1/2 impact.
Step 3. Dent fuel tank.
Step 4. Call customer ,tell them bike is ready.
Step 5. Cuss out customer and call them a liar.
Step 2. Tighten them up with a 1/2 impact.
Step 3. Dent fuel tank.
Step 4. Call customer ,tell them bike is ready.
Step 5. Cuss out customer and call them a liar.
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Thread Starter
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Tourer
Joined: Jul 2013
Posts: 457
Likes: 73
From: New Hampshire
Thanks gents!!! Yep... Plenty of anti-seize too. An old wrench/buddy of mine taught me the 1 finger tight, 2 finger tight, whole hand tight method years ago and two finger tight seems to be about 25 in/lbs.
One thing I found to make those long threads easier was to use an allen head on my Makita. Thread them in by hand then use the Makita to take up the slack.
One thing I found to make those long threads easier was to use an allen head on my Makita. Thread them in by hand then use the Makita to take up the slack.