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Old 03-21-2011, 12:18 PM   #1 (permalink)
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Screamin eagle performance clutch kit part# 37980-10

I recently installed a new set of clutch discs in my 2008 RK.
It was the Screamin' Eagle performance clutch disc kit. Part # 37980-10.

This is supposed to be an upgrade to the oe clutch discs.

When I removed the old discs I noticed the first two discs that were installed into the clutch basket were narrower that the rest. They are the damper spring seat (1st installed in the basket) and the damper spring (2nd installed in the basket) followed by the friction discs and plates.

Ok, so the directions say not to reinstall the damper spring seat and damper spring. And goes on to say to install a friction disc 1st then a plate and so on.

There lies my question!!! Shouldn't a steel plate go in the clutch basket 1st so the friction disc is not against the aluminum surface of the clutch basket???

Either way, I followed the directions and did not reuse any old steel plates as the directions had stated.

Seems to me the friction disc will wear down the back seat of the clutch basket, but I followed the directions, test drove it and it seems to be ok.

So should I have put and old steel plate in first to protect the rear seat of the clutch basket or not???

Can I expect an early clutch failure the way the directions said to install the performance clutch disc set, or will it be fine?

I'd be on the phone with the dealer right now asking that question, but it's Monday and they are closed!

So if a HD Tech or anyone who has installed this upgraded clutch (part # 37980-10) can help I'd appreciate it!
It's a peace of mind thing. lol

Last edited by roadking2008; 03-21-2011 at 04:52 PM.
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Old 03-22-2011, 07:52 AM   #2 (permalink)
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Really, no answer?
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Old 03-22-2011, 08:01 PM   #3 (permalink)
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its been a few years since i did one but i believe you dont need the steel case the friction fits into the basket and doesnt move, but i take it your where waiting for gengras to open. cause there the only dealership that isnt open on my monday
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Old 03-22-2011, 11:30 PM   #4 (permalink)
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Yep it was Gengras, do you work there?
I talked to them today and they said the directions are correct and a friction disc does go in first.
Issue solved, but time will tell!!!
Thanks!
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Old 03-22-2011, 11:56 PM   #5 (permalink)
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Friction does go into basket first. Just a heads up you can remove the inside fiber disk and 2 spring washers and replace them with a full fiber disk. Then buy a screamin eagle heavy duty clutch spring, and the two clutch pull cams from a 2007 or newer and you have a poor mans heavy duty clutch for about 50 bucks.
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Old 03-23-2011, 09:21 AM   #6 (permalink)
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i understand what your saying,but the friction discs have tabs on the outside and move with the clutch shell. so they dont turn in the shell. the friction material on the inside of the first dics does nothing.the material on the outside of the first disc mates with first steel plate. you have installed it correctly and shouldnt have any problems. did you use the stiff spring included and how bad is it? i used the stock spring last season, but will try stiff spring this year.
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