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904 KD bands #191292
01/12/09 10:32 AM
01/12/09 10:32 AM
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Ansonia, CT
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CJK440 Offline OP
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I'm going to be freshening up my 904 and also swapping the 4 disk drum to an A999 5 disk setup with associated parts.

Right now I have a narrow red lined flex band (I think with a 4.2 lever) and it seemed to work fine but I am going to be putting some more power thru it this upcoming year and don't know if I should upgrade to a solid or other friction material.

I know with the 5 disk drum, I could now use a wider A999 band but I was told to not use it since the lugs are offset and it causes the band to not apply straight.

Any thoughts??


2017 Contusion Blue Challenger T/A 392 M6 "BLKNBLU"
Re: 904 KD bands [Re: CJK440] #191293
01/12/09 02:45 PM
01/12/09 02:45 PM
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dusturbd340W5 Offline
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I use a lot of the wider bands never seen a problem


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best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4
Re: 904 KD bands [Re: CJK440] #191294
01/12/09 05:27 PM
01/12/09 05:27 PM
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JohnRR Offline
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if you get a new band get the solid one , red lined , call Cope

Re: 904 KD bands [Re: JohnRR] #191295
01/12/09 06:17 PM
01/12/09 06:17 PM
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Mt. Vernon, Ohio
dartman366 Offline
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I have been using the wide kevlar band from Mancini for some time now and have had zero problem's with it, and it is the solid band.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 904 KD bands [Re: dartman366] #191296
01/12/09 08:07 PM
01/12/09 08:07 PM
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CT
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turbocolt2.4L Offline
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id go with the wide kevlar on a steel drum and dont forget that you mite have to machine a taper on your pump stator support to fit the 5 clutch 999 drum.

Re: 904 KD bands [Re: turbocolt2.4L] #191297
01/12/09 08:23 PM
01/12/09 08:23 PM
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Quote:

id go with the wide kevlar on a steel drum and dont forget that you mite have to machine a taper on your pump stator support to fit the 5 clutch 999 drum.




Tony, I've got the clearanced pump and the rear drum with the wider hub. All the proper stuff.

The kevlar grabs pretty violently right?? Remember, I'm running the bias plies and I'd be worried about blowing the tires on the 1-2.


2017 Contusion Blue Challenger T/A 392 M6 "BLKNBLU"
Re: 904 KD bands [Re: turbocolt2.4L] #191298
01/12/09 09:06 PM
01/12/09 09:06 PM
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dusturbd340W5 Offline
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Quote:

id go with the wide kevlar on a steel drum and dont forget that you mite have to machine a taper on your pump stator support to fit the 5 clutch 999 drum.



I have had better results with the red lining over the kevlar


70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4
Re: 904 KD bands [Re: dusturbd340W5] #191299
01/12/09 09:11 PM
01/12/09 09:11 PM
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Mt. Vernon, Ohio
dartman366 Offline
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This a race or street/strip tranny?, if it's a s/s set up then you may be better off with a good aftermarket replacement band, if it is for race only then use the Kevlar.guess I had race on my mind.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 904 KD bands [Re: dartman366] #191300
01/12/09 09:18 PM
01/12/09 09:18 PM
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CJK440 Offline OP
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90% race. I might take it to the local cruise or off to the parts store downtown but thats it.


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Re: 904 KD bands [Re: CJK440] #191301
01/12/09 11:34 PM
01/12/09 11:34 PM
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Columbia, CT
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moper Offline
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I think with the tire and specific racing you do, that easing the 1/2 shift might be a good thing. Just my opinion, but I'd definately keep it in mind.


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Re: 904 KD bands [Re: moper] #191302
01/13/09 10:30 AM
01/13/09 10:30 AM
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Thats what I am concerned about. The narrow red band was fine with my latest combo, a chirp on the track but that was it. I'm afraid kevlar might grab too harshly, perhaps a wide red band will hold more but not grab as quick. I just heard that the wide band can apply uneven due to the offset lugs so I figured I'd inquire.

I see three widths of band offered. 1.375 which is what I assume I have (std 4 clutch drum) and a 1.610 and 1.750.

Whats the difference in the 2 wider ones other than the width of course.


2017 Contusion Blue Challenger T/A 392 M6 "BLKNBLU"
Re: 904 KD bands [Re: CJK440] #191303
01/13/09 02:22 PM
01/13/09 02:22 PM
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JohnRR Offline
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Quote:

Thats what I am concerned about. The narrow red band was fine with my latest combo, a chirp on the track but that was it. I'm afraid kevlar might grab too harshly, perhaps a wide red band will hold more but not grab as quick. I just heard that the wide band can apply uneven due to the offset lugs so I figured I'd inquire.

I see three widths of band offered. 1.375 which is what I assume I have (std 4 clutch drum) and a 1.610 and 1.750.

Whats the difference in the 2 wider ones other than the width of course.




Chris I've been told Kevlar is fine for the rear band because nothing is spinning when it's applied , it can be a problem in the front location over time because it's stopping a spinning drum .

Re: 904 KD bands [Re: JohnRR] #191304
01/19/09 10:15 AM
01/19/09 10:15 AM
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I am using a Cheetah VB with no low band apply so that band only works in Rev.

I did tear the tranny apart and noticed the KD band was discolored all the way around but biased to one side only. It's a flex band. This was with perhaps 50 passes and 300 street miles.

With more HP I'm sure I don't want to reuse the narrow red but will a wide red be enough improvement or should I try Kevlar?? More surface area with the wide red but won't it have less apply pressure for a given area??

Another 904 question but not band related...

The rear clutch pack, the one with the 4 thin non grooved clutches isn't a shifting clutch. Those things look brand new, no reason to change them this go around is there??


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Re: 904 KD bands [Re: CJK440] #191305
01/19/09 08:20 PM
01/19/09 08:20 PM
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What would cause this??


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Re: 904 KD bands [Re: CJK440] #191306
01/19/09 08:42 PM
01/19/09 08:42 PM
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heat and slippage and its common for me to see the flex bands burnt more to one side like that I always assume its the fact that it is a flex band and dont apply even.


70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4






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