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which clutch to use?

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Discussion Starter · #1 ·
bought and installed the clutch at the end of april 2018. put about 75k miles on it and worked great till it didnt.

got on the freeway for 15 miles. go to get off and cant push the clutch in all the way. i only replaced it because it was oil soaked (sachs 8spring hub design, because of a hpop head o-ring that ended up soaking the clutch) it was working fine prior to that.

ended up the hub broke leaving a spring wedged between the disc and pressure plate. theres another crack too.

i know they only have one year warranty but you can clearly see theres barley any wear on the disc and pressure plate

you can even see the machine marks on the flywheel from when i installed it. im still waiting for a call back but im pretty upset about this. its obvious i havent abused it. i use 4low whenever i have to back a big trailer up.

im not sure if i even want another SBC. i dont like the LUK 4spring hub and ive seen a few failures of that style posted on other forums. i obviously dont trust the 3 spring hub design.

now im looking at valair. i thought about a oem style HD sachs clutch as i never plan to do more than AC injectors.
anyone have info on those style clutches holding capability?

FYI my truck is 2003 CCLB DRW 7.3L stock besides full exhaust, intake and a hydra tuner which i dont run at high HP because im in california. i dont like smoke and i want my truck to last. plus 7.3L stick is kind of a pig at low RPM.

ive called a few places and most still recommend SBC and act like im an idiot for wanting anything else.
im not into replacing a clutch every two years. thank jebus i can do the work myself.

yes i know my truck is oily but the pan actually doesnt leak. its the turbo drain. and some left over from when i had the HPOP line leak. i also have new international up-pipe kit to do while im in there. the engine has 329k and doesnt burn oil!










 

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Discussion Starter · #2 ·
So update they're going to build me a new clutch with the organic material but with the spicer style eight spring hub that he says is the strongest one they have. he's giving me a special rate on it. he said that Ford's for some reason have a problem with eating up the hubs (not all the time.) which I think is funny because Cummins makes so much more instant torque than a V8 but I'm assuming it's the pulses of the firing on the V8 versus the smooth ones of an inline 6 that causes the hub failures. they're going to get it shipped out today now I just need to do my up pipes and change my turbo pedestal and do my intake plenum inserts.

So I'm really impressed with the customer service and the ability after 2 years they gave me credit. granted you can obviously see from the pictures that I didn't abuse the clutch. I hope I won't have to talk to him again for a while
 

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pretty common failure for that clutch

So update they're going to build me a new clutch with the organic material but with the spicer style eight spring hub that he says is the strongest one they have. he's giving me a special rate on it. he said that Ford's for some reason have a problem with eating up the hubs (not all the time.) which I think is funny because Cummins makes so much more instant torque than a V8 but I'm assuming it's the pulses of the firing on the V8 versus the smooth ones of an inline 6 that causes the hub failures. they're going to get it shipped out today now I just need to do my up pipes and change my turbo pedestal and do my intake plenum inserts.

So I'm really impressed with the customer service and the ability after 2 years they gave me credit. granted you can obviously see from the pictures that I didn't abuse the clutch. I hope I won't have to talk to him again for a while
 

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Discussion Starter · #4 ·
wow really? he mentioned the Ford's eat up the hubs. SO WHY THE HELL DO THEY SELL IT? he built me this comp style spicer 8 spring hub but with organic material. dude said it would have neoprene spring covers and it didn't have them. he also said he wasn't sure if it was going to be a puck style or solid ring. this was the kinda stuff I encountered on my first purchase. these guys are supposed to be the top on their class but yet don't know what they're selling.





pretty common failure for that clutch
 

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Hello, I’m having the same problems with my SB clutches. I’m about to be on my 3rd 1944-60K. I can hear it starting to scrape when in neutral. I remember being told that this would be the last clutch I ever buy, yeah right!! I tow a gooseneck to all my jobsites . Been stranded a few times and had to get towed to town sometimes over a hundred miles. The spring is always the culprit. Maybe I should upgrade to this 8 spring. How much was it ?


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wow really? he mentioned the Ford's eat up the hubs. SO WHY THE HELL DO THEY SELL IT? he built me this comp style spicer 8 spring hub but with organic material. dude said it would have neoprene spring covers and it didn't have them. he also said he wasn't sure if it was going to be a puck style or solid ring. this was the kinda stuff I encountered on my first purchase. these guys are supposed to be the top on their class but yet don't know what they're selling.



No-sprk, did you get this clutch installed? Can you please leave a review, thanks


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Well, this sucks mightily. Anyone else have Southbend clutch problems?
 

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I don't but I bought the twin disk. I do know the instructions say not to down shift whole coming to a stop. Which is what I think causes this problem. If you do down shift try and match you rpms to where you think it will be when you let the clutch out to not hit it too hard.

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Oh boy, I wish I saw this a couple of weeks ago. Yes, I too am having SBC problems. I baby the hell out of my truck and it would not go into gear on initial start up. I would have to start it in gear to get the thing to move. The clutch would then break free and drive perfect for a while and then if I shut it off, I would have problems again. Eventually, it started making a horrid sound at idle and she went into the garage. It ended up puking a spring. So..... I got another SBC and I hate it. This one chatters like crazy, especially in reverse. With the OEM and original SBC, I could simply let the clutch out and start rolling nice and slow up a hill. Now, the damn thing shakes like it is coming apart and I have to give it some fuel to try to smooth it out. I have owned the truck since new and have 2 other clutch vehicles. I know how to drive. This clutch is not right. I have only about 2K miles on it. Their customer service is polite, but I am starting to lose confidence in the product. I heard people were happy with Luk. I may have to look into it. For now, I am going to deal with this because I don't drive the truck much over the winter. I too am looking for another option.
 

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Here is a picture of the first SBC. It had about 60k miles on it.
 

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Discussion Starter · #11 ·
so this clutch is junk! it works but its so agressive. it has no slip unless i rev it up. i cant back up to my trailer without using 4-low. it was INSANE when i first installed it. it has broken in but still bad. i use to be able to just let the clutch out at a dead stop and it would slip a little and grab. now i either stall the truck or i have to give it revs while taking off. BULLSHIT. im so pissed. i cant even back up normally with it in 2wd it bucks like a big rig. i called them on thursday and waited 52min on hold and finally talked to someone. he said it "should" slip normally because its organic material, well its not and its not the clutch they told me they would send me. the guy who sold me the clutch didnt even know if it was going to be a puck clutch or full friction disc. i listened to them because theyre supposed to be THE clutch guys. also thought since its a 12 puck clutch it could be OK but NOPE. its still 60-75% of the original friction material.

when im loaded its OK going forward. if i dont let the truck lug before downshifting it shutters. its way too agressive.
on the phone i told him i move trailers alot and i NEED IT TO SLIP.

thursday he said he would get back to me. the hold was because their internet went down. no call back thursday or friday and no call back today. im calling them tomorrow. im telling them to either send me a new FULL friction disc with the spicer 8 spring hub and refund me or ill call my credit card company and get the charge revered. they dont cover labor but this is obviously a huge mistake on their part. i even called before installing this and was reassured it would be the same. ITS NOTHING LIKE MY ORIGINAL clutch even though the box had the original part number on it. at this point im not even sure if i want them to give me another disc. its sad cause i loved the original clutch till it failed. i have a 03 7.3 with a tuner and open exhaust. thats it! and as you can see from the pics i didnt abuse the clutch.


No-sprk, did you get this clutch installed? Can you please leave a review, thanks


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Oh boy, I wish I saw this a couple of weeks ago. Yes, I too am having SBC problems. I baby the hell out of my truck and it would not go into gear on initial start up. I would have to start it in gear to get the thing to move. The clutch would then break free and drive perfect for a while and then if I shut it off, I would have problems again. Eventually, it started making a horrid sound at idle and she went into the garage. It ended up puking a spring. So..... I got another SBC and I hate it. This one chatters like crazy, especially in reverse. With the OEM and original SBC, I could simply let the clutch out and start rolling nice and slow up a hill. Now, the damn thing shakes like it is coming apart and I have to give it some fuel to try to smooth it out. I have owned the truck since new and have 2 other clutch vehicles. I know how to drive. This clutch is not right. I have only about 2K miles on it. Their customer service is polite, but I am starting to lose confidence in the product. I heard people were happy with Luk. I may have to look into it. For now, I am going to deal with this because I don't drive the truck much over the winter. I too am looking for another option.
 
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