fermaic or cermaic clutch

Just to stir the rumor pot here a little. I was told he found out about the sintered iron disc the Terry from powerparts was using and that he called and ordered 200 sets of iron disc to build a "new clutch"
 
it was a manufacture defect in the hubs, but SBC steped up a notch 4200 PP and full feramic disc's
 
House, if you are going to continue to pull that truck you need to get a clutch with sintered iron disks. That is the only thing that holds up to the abuse, there's a reason why every gas truck runs them and most tractor guys also.
 
thats what I never understood is why it has taken the diesel world so long to go to the sintered iron discs as well?
 
tthomp said:
thats what I never understood is why it has taken the diesel world so long to go to the sintered iron discs as well?
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Never heard of the haisley street puller or their comp puller clutches? They've been around a long time and they use sintered iron. I should run one of their clutches as much as I stand up for them :doh:
 
Ph4tty said:
Never heard of the haisley street puller or their comp puller clutches? They've been around a long time and they use sintered iron. I should run one of their clutches as much as I stand up for them :doh:
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good point man I checked the comp. puller out and they look to be the same. I just have a gasser takes me a little while! :)
 
i am new to the forems but am looking into a buying a pulling clutch. i checked out haisley, south bend and valiare. sb and valiare are pretty much duplicates of each other. I called Haisley's and they have been building pulling clutches using sintered iron for over 10 years. I wanted to buy a clutch from the guys that use them themselves. Van and Ed West started using the iron discs in 1997 and their clutch program has progressed from there. i'm going with a haisley. does anybody know what all the mod trucks run? i have been told that every mod truck runs only sintered iron discs. most all run haisley's 4 disc.
 
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