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Discussion Starter · #1 ·
The past few years there's been many articles and ads in several of magazines touting all the wonderful benefits of using titanium springs, including ti cluctch springs. There's an article on p. 16 in the latest (Oct/Nov 2005) SnowTech that seems to indicate otherwise:

"... but feedback from the field indicates they simply do not last when placed under torsional vibration loads (as found in clutches). The springs are wearing away the inner coils at the ends of the springs, as evidenced by a little pil of titanium dust down in the belly pans. Primary springs collapse the ends of the spring first, and due to the torsional vibration loads the springs are wearing away the coils where the contact is occurring. The wear can be witnessed on springs afterr only 500 miles or so. We have springs with these flat spots on the coils."

WHAT IS UP WITH THIS????? After ALL the hype we've heard; after all the mag articles; after all the ads... frankly, I'm not too sure at this point just how much trust to put in that article. Can anyone here "in the know" shed a little more light on this article and/or the claims being made?

I think we've all seen clutch springs that develop vibration induced flat wear spots, as described above, but are these ti springs wearing to the point of critical failure, or what???

My main question at this point is, are the rates of these flat-spot-worn springs being affected in any way whatsoever? Will they still perform as good (or better than) and/or last as long (or longer than) the ol' shot-peened chrome silicon wire springs?

In short, I installed a ti drive clutch springs for the long-term durability and consistancy -- can I still expect this, or has all of a sudden in just a few quick seasons, the ti clutch springs proven inferior to the old chrome silicon springs we've been using for decades???

Thanks for any and all additional productive feedback on this topic. -- Roy
 

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I saw a ti clutch spring at the big east show yesterday.......it only had 500 miles on it and it was junk . Quite a surprise to me . They don't even last as long as regular springs . SPX charges 100 bucks for them too . :flush:
 

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I thinck there good for racing, we seen a tia spring last all season drag racing ,then to only have it fail 500 miles later on the trail.I guess it helped in that respect not haveing to change springs every 3-4 races.
 

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Originally posted by flasch7192@Oct 2 2005, 12:56 PM
I thinck there good for racing, we seen a tia spring last all season drag racing ,then to only have it fail 500 miles later on the trail.I guess it helped in that respect not haveing to change springs every 3-4 races.
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Then they should advertize that they are for drag race only...just another rip off item
 

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i got a sweedwerx titanium clutch kit for my f7... only one way to find out what will happen!
 

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IMO I dont really see the advantage in running a TI spring for trail use. Raceing however is another story, where you would want every last advantage possible.
 

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Originally posted by Greg B.@Oct 2 2005, 02:55 PM
IMO I dont really see the advantage in running a TI spring for trail use. Raceing however is another story, where you would want every last advantage possible.
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It's not an advantage though .......it's a 100 dollar gimick piece of shit .
 

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well they've been there for over 3 yrs now, and just NOW these issues are cropping up??? somethings fishy,,,,,,,,,,, :cn: :nono:

edit: it suddenly came to mind on why this may possibly be happening, several yrs ago a company called JET ENGINEERING from near Lansing, Mich was producing titanium connecting rods for dirt track racing motors of popularity, and during their first run of them it was noted that the rods being side by side per individual journal on the cranks(even bathed in oil!), had a tendency to ''gall' against one another and not the outer side that were against the steel of the cranks(harder rockwell material), sometimes dragging the engines right down to a stall out!
what they did was to coat the lower ends ''thrust faces''(sides of lowers that made contact) with some sort of ''impregnated'' teflon held on by this whatever it was miraculous bonding process, this eliminated this issue, possibly a little of the same is happening here?, especially as NO OIL is in play here and the metal of the clutch posts are of a softer metal than that of steel crankshafts, makes one wonder hmmm???
 

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well I've had a speedwerx blue-Ti spring for two seasons and it still pulls the correct rpm's, so I suppose I better check it a little closer this year! I went with Ti because I once had a black primary spring from D&D and that POS could only last for about two weekends before replacing it(3 times) so I wonder how much $$ I've saved over the last two years,seamed like a cheap investment two me.
 

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Originally posted by cjt@Oct 2 2005, 04:27 PM
well I've had a speedwerx blue-Ti spring for two seasons and it still pulls the correct rpm's, so I suppose I better check it a little closer this year! I went with Ti because I once had a black primary spring from D&D and that POS could only last for about two weekends before replacing it(3 times) so I wonder how much $$ I've saved over the last two years,seamed like a cheap investment two me.
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The black does relax over time .........but it's not a $100 bucks either . It's like $14 so if that your biggest problem every 2 weeks of racing you doing pretty good . :beerchug:
 

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more of a piece of mind not having to worry about it.
like I said I've had it for two years and it's SEAMS fine,so hopefully it is a bad batch or something??
 

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Originally posted by cjt@Oct 2 2005, 04:42 PM
more of a piece of mind not having to worry about it.
like I said I've had it for two years and it's SEAMS fine,so hopefully it is a bad batch or something??
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EPI had that happen with there yellow spring 165/310 went through 4 in a month grass dragging either glenn or chad would do shit about so i called hot seat got a tia/blue problem solved.
 

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Discussion Starter · #17 ·
First two responses:

#1 Junk? In what way???

#2 Fail on the trail? In what way???

Thanks guys -- I emailed SnowTech, Hot Seat, and Speedwerx too concerning this, so I'll post any responses I get from them also. -- Roy
 

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Originally posted by Roy T@Oct 2 2005, 10:57 PM
First two responses:

#1 Junk? In what way???

#2 Fail on the trail? In what way???

Thanks guys -- I emailed SnowTech, Hot Seat, and Speedwerx too concerning this, so I'll post any responses I get from them also. -- Roy
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Junk in the way that both sides of it were worn thin and about to collappse . The ends of the spring were paper thin and you could squeeze with one hand . The torsional vibration was detroying the spring like it was going through a cheese grater .
 

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Originally posted by cjt@Oct 2 2005, 04:27 PM
well I've had a speedwerx blue-Ti spring for two seasons and it still pulls the correct rpm's, so I suppose I better check it a little closer this year! I went with Ti because I once had a black primary spring from D&D and that POS could only last for about two weekends before replacing it(3 times) so I wonder how much $$ I've saved over the last two years,seamed like a cheap investment two me.
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D&D black spring does not last long, and is pretty much just for drag racing. Seems like any really stiff spring is like this. I have tried the blue-ti and it is a quality piece, but is not the same rate as the D&D black. It is closer to the D&D red, which will last just fine on the trail. I have not been able to find a titanium spring that will act the same as the D&D black. EPI gold spring is very close to D&D black, but doesn't last any longer.
 

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Discussion Starter · #20 ·
Well, here's the response I got from Speedwerx. -- Roy

"Yes they do show wear but the rate stays the same. We've sold 1000's of springs and only had to replace less than 20 in over the last 5 years. Believe me, if they weren't better than steel we would find a lot better things to spend more $ on.

Thanx,
Speedwerx Inc."
 
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