Suggestions for clutch?

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NotSoSlowSHO

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Stock with a ceramic TOB...It holds my boosted car just fine and is nice and smooth.
Big clutches are pointless on these cars IMO.

I agree... almost.

Stock disc and stock clamp load pressure plate are fine.

But I will NEVER buy another SHO clutch that doesnt have upgraded straps.

Ive seen too many broken straps.....
 

SHOspazz92

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I agree... almost.

Stock disc and stock clamp load pressure plate are fine.

But I will NEVER buy another SHO clutch that doesnt have upgraded straps.

Ive seen too many broken straps.....

Meh, ill buy stock clutches all day long. My track car is Still going on a stock replacement, 3 years later. Spray, autox, drag strip ...etc. just bought a stock replacement for the wife as well, love it. They will hold up if you dont botch downshifts.
 

NotSoSlowSHO

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most people dont know how to shift.

I know this because I do clutch jobs all the time:nut:

This last one even sheered the dowel pins. :munch:
 
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The stock replacement clutch in mine had 3 layer straps.
I kind of figured they all do at this point being all reman.
Mine seems to take aggressive starts just fine and this clutch has probably 25K of routine beating.
 
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vortex2450

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I agree... almost.

Stock disc and stock clamp load pressure plate are fine.

But I will NEVER buy another SHO clutch that doesnt have upgraded straps.

Ive seen too many broken straps.....

So keep an eye out for the durability of the straps I take it?

Meh, ill buy stock clutches all day long. My track car is Still going on a stock replacement, 3 years later. Spray, autox, drag strip ...etc. just bought a stock replacement for the wife as well, love it. They will hold up if you dont botch downshifts.

Something tells me that even with the modifications your's had since it was so light the stock clutch didn't have issues.

I'm talking about what will eventually be a modded, cammed, and boosted full weight SHO, the needs might be different.


Also, a member messaged me and says he has a Southbend clutch he no longer needs but he isn't sure of the actually model (stage "x").

MZEBLh


L7Hnyh

8p5IFh


Anyone recognize this? The pressure plate has "Valeo 339847 MF2 5L11" stamped on it and the clutch (engine side) has 167346 marked on it.


-Josh
 

frosho

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It's either a stage 1 or 3, assuming it's a Southbend disc. If both friction materials are the same, stage 1. A stage 3 will have an organic disc on the PP side and their "feramic" stuff on the flywheel side (according to SHO Source's website).
 

frosho

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^Look at SHO Source's pictures. Every stage has a DXD sticker, at least in the pictures. If it was really a DXD (stage 4), it would have a 6-puck kevlar disc. The stage 2 is kevlar as well, but not puck style. The disc pictured above is definitely organic on the one side we can see, so it has to be either a stage 1 or stage 3.

Upon further reading, the "feramic" material would be on the flywheel (engine) side if it was a stage 3. The one pictured above is organic on the engine side, so it must be a stage 1.
 

vortex2450

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^Look at SHO Source's pictures. Every stage has a DXD sticker, at least in the pictures. If it was really a DXD (stage 4), it would have a 6-puck kevlar disc. The stage 2 is kevlar as well, but not puck style. The disc pictured above is definitely organic on the one side we can see, so it has to be either a stage 1 or stage 3.

Upon further reading, the "feramic" material would be on the flywheel (engine) side if it was a stage 3. The one pictured above is organic on the engine side, so it must be a stage 1.

Alright, seems like you are correct, thanks man, I owe you a beer.

Depending on what the guy asks for it I may bite but I'm not sure it'll meet my needs in the future.

Is there anyone else besides NotSoSlowSHO and SHOspazz92 that argue for a stock clutch?

I just don't see a stock clutch delivering in a full weight SHO running anything over 8lbs during spirited driving unless i constantly roll the throttle into the boost.


-Josh
 

zach44102

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buy a stage 4. too much is better than too little. I would rather wear a ****** if she "thinks" she wont get pregnant.
 

frosho

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Based on what I've read over the years, stock discs seem to be good for basically anything naturally aspirated (excluding nitrous). I wouldn't use one for a boosted application though. I'd probably go stage 3 or 4 if I was planning on boost.
 

vortex2450

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buy a stage 4. too much is better than too little. I would rather wear a ****** if she "thinks" she wont get pregnant.

Only you could produce such an analogy, haha.


Based on what I've read over the years, stock discs seem to be good for basically anything naturally aspirated (excluding nitrous). I wouldn't use one for a boosted application though. I'd probably go stage 3 or 4 if I was planning on boost.

Boost is an imminent event, it is just a matter of how long before I do boost.

Yes. Anything Naturally aspirated is served quite well by a stock clutch.

Good point.

stage 4 clutch does not a racecar make.

So a stage 4 isn't completely out of the question for a car that would be daily driven? Just a matter of relearning how to shift I'll presume.

-Josh
 

SHOspazz92

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My vortech car has a Stage 4. It is a easy clutch to drive. Just be aware that some of the "Stage 3/4" clutches do not take well to being daily driven. Sure, they will last a while, but don't expect 20,000+ miles if the car is driven constantly in stop and go.

-Sam
 

93rev2sev

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After breaking it in and getting a real feel for it, the stock Sachs clutch that I have is like driving butter. I don't know if I lucked out or what with the sub $150 price, but engagement is ultra smooth with no chatter, even when I'm too low in the RPMs, the pedal is super light and it has plenty of holding power.

I wasn't able to get it to slip until run 18 of the day at the drag strip with drag radials and I was NOT easy on it.

I can't ask for better performance from a stocker.
 

SHOspazz92

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After breaking it in and getting a real feel for it, the stock Sachs clutch that I have is like driving butter. I don't know if I lucked out or what with the sub $150 price, but engagement is ultra smooth with no chatter, even when I'm too low in the RPMs, the pedal is super light and it has plenty of holding power.

I wasn't able to get it to slip until run 18 of the day at the drag strip with drag radials and I was NOT easy on it.

I can't ask for better performance from a stocker.

I also have a SACHS clutch in my wifes car. However, I will say this clutch is actually kind of heavy. Maybe it will lighten up as the mileage is added on (Under 500 miles on it now). Great clutch. The LuK stock replacement in my old track car (That is still in there) was my favorite clutch however.

-Sam
 

jayro

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My vortech car has a Stage 4. It is a easy clutch to drive. Just be aware that some of the "Stage 3/4" clutches do not take well to being daily driven. Sure, they will last a while, but don't expect 20,000+ miles if the car is driven constantly in stop and go.

-Sam

This is along the lines of what I heard. It is not that the higher stage clutches are made to last longer, they are made to perform better under more extreme driving conditions. They vary stage by stage, but basically they grab harder and usually handle heat ect better. But they can also wear at a different rate. I personally went with a stage 3 because my car is not a DD and mostly only goes out to be taken to the track or to be driven aggressivley. Actual milage clocked is very low.
 

SHOspazz92

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This is along the lines of what I heard. It is not that the higher stage clutches are made to last longer, they are made to perform better under more extreme driving conditions. They vary stage by stage, but basically they grab harder and usually handle heat ect better. But they can also wear at a different rate. I personally went with a stage 3 because my car is not a DD and mostly only goes out to be taken to the track or to be driven aggressivley. Actual milage clocked is very low.

I can tell you that two of my cars with Josh's fibertuff disc's ate them up in less then 10,000 miles. They performed flawlessly, but when they went...they just went. No warning (Started slipping like a *****!). Both cars were exposed to stop and go traffic (One daily, one a few times a week).

-Sam
 

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