Clutch choice
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Mountain Pass
Joined: Dec 2004
Posts: 185
Likes: 24
From: Vancouver
On clutches, a larger diameter/more mass clutch will have worse rev characteristics, ie, it will bog down a 302 more than a lighter/smaller diameter. if you dont mind the dig, the slower spin up would be better for pulling things/maintaining speed while driving than a lighter/smaller diameter.
But if you like to zoom around a smalller diameter/lighter assembly probably will let your engine get some revs in quicker
But if you like to zoom around a smalller diameter/lighter assembly probably will let your engine get some revs in quicker
I just wanted to know what you actually got for extra 100 ha ha
Lead Driver
Joined: Jun 2021
Posts: 5,221
Likes: 805
hopefully the others helped illuminate that? it sounds like pressure and material were the differences. Id imagine some clutch materials take "slipping" better for smooth-ness and less harshness, but others are meant to get you moving and may be harsher but wear better
Lead Driver
Joined: Sep 2002
Posts: 9,567
Likes: 2,036
From: North Texas
Here is an email reply from Luk!
Good day Eric,
The 07-908 is the heavy duty version of the 07-057.
This means it has a more robust friction material that will handle more heat and the pressure plate has about 20% more clamp, so it will handle more load.
The 07-057 is rated to around 450 ft/lbs of torque.
The 07-908 is rated to around 500 ft/lbs of torque.
Let me know if you need anything else.
Thanks,
Jason Haney ND/VYC-ET
Technical Services
Schaeffler Group USA Inc.
Automotive Aftermarket
21487 Royalton Rd.
Strongsville, Ohio 44149
Tel: +1 800.274.5001
www.schaeffler.us – techline@schaeffler.com
Good day Eric,
The 07-908 is the heavy duty version of the 07-057.
This means it has a more robust friction material that will handle more heat and the pressure plate has about 20% more clamp, so it will handle more load.
The 07-057 is rated to around 450 ft/lbs of torque.
The 07-908 is rated to around 500 ft/lbs of torque.
Let me know if you need anything else.
Thanks,
Jason Haney ND/VYC-ET
Technical Services
Schaeffler Group USA Inc.
Automotive Aftermarket
21487 Royalton Rd.
Strongsville, Ohio 44149
Tel: +1 800.274.5001
www.schaeffler.us – techline@schaeffler.com
Logistics Pro
Joined: Aug 2010
Posts: 3,718
Likes: 586
From: Chillicothe
I would be cautious of the higher clamping pressure plate. I had a centerforce and HD LuK with extra pressure and they would prematurely wear the throw out bearing and sometimes blow the seal on the newer cheap slave cylinders. So if you go for high pressure be aware that those possibilities exist.
Parts quality nowadays is trash.
Parts quality nowadays is trash.
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