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from the"That's Racing" Department: SAD PRESSURE PLATES LATELY
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michla
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Location: Wasilla, AK (yes, there's drag racing up here !)
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PostPosted: Sat Jul 06, 2019 11:44 am    Post subject: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

Brick wall
RANT: ok so it always has to happen on July 4th, but the diaphram belville springs they're using in KENNEDY 2500lb pressure plates sure don't hold up like they used to...maybe two SHORT (up here) racing seasons and then they don't release sufficiently anymore with missed shifts and the like. Problem is, the life expectancy varies and there's no warning when the spring is about to give up the ghost. Boo hoo!

I remember the good, old days of the 3-finger Kennedy Stage Three 2700lb pressure plates (circa 1970-1993)...they'd last longer than the engine ever could, and for that matter would hold up through years and years of abuse. Lucky me, I just found one NOS and I'm gonna put that in instead.

FYI....I've got a CNC hydraulic clutch setup which does NOT overextend the diaphram spring of the pressure plate, I've checked the travel. They just don't make 'em like they used to, IMHO. Crying or Very sad
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Mr. Unpopular
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PostPosted: Sun Jul 07, 2019 10:32 am    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

michla wrote:

FYI....I've got a CNC hydraulic clutch setup which does NOT overextend the diaphram spring of the pressure plate, I've checked the travel. They just don't make 'em like they used to, IMHO. Crying or Very sad


In the case of CNC, they don't make 'em AT ALL anymore. Times they are a changin.
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michla
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PostPosted: Sun Jul 07, 2019 10:49 am    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

Mr. Unpopular wrote:

In the case of CNC, they don't make 'em AT ALL anymore. Times they are a changin.


Boy is that the truth !! China is trying to copy-cat the old days (aka: Empi) but it ain't working....they don't last a couple of races Rolling Eyes
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amrcnbadaz
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PostPosted: Sun Jul 07, 2019 5:53 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

Is there much of a market for old NOS kennedy 2500# clutches? I have one from early 90's (I think) still in the box, along with a feramic metal woven disc. I would have to look at it to find the exact year. I have thought about using it in my current car, but don't need something that violent for a street car.
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michla
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PostPosted: Sun Jul 07, 2019 6:43 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

amrcnbadaz wrote:
Is there much of a market for old NOS kennedy 2500# clutches? I have one from early 90's (I think) still in the box, along with a feramic metal woven disc. I would have to look at it to find the exact year. I have thought about using it in my current car, but don't need something that violent for a street car.


Indeed there is....folks like me running an 86 stroke making torque need the Stage 3 clutches and Kennedy boasts now that their diaphram plates are the solution. Well, I just removed mine from 2016 and one of the "triangle straps" was completely broken off and the rest were wavy like a sound wave ! I wrote Kennedy just awhile ago telling them of my plight because that's the weak link in their design. Meanwhile, I'm going for the NOS stuff myself, just purchased one on Ebay. What are you asking for yours and if so, is it used or?
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skills@eurocarsplus
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PostPosted: Sun Jul 07, 2019 8:48 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

it's not just them.

I used a southbend setup in a 1.8T build I did. pretty conservative, couple trix and a tune...about 250 horse give or take. anyway right from the fucking getgo the clutch felt like a water balloon. called vendor "do the 500 mile break in and call us back"

fuckers

I didn't want to put a mile on it, let alone 500. about 100 miles in I jumped on the highway in 4th, rolled into it building boost and weeeeee all the way to red line. got into 5th at 70 and rolled into it only to see the tach go boing.

called them again. off course, it was my fault. grease on the disk, didn't use new hardware, old flywheel. emailed them all of the dealer invoices for new shit. anyway, ended up with a SPEC that is a bit overkill, and not super stop and go friendly.

in the end, the pressure plate was dished about 80 thou and it was only grabbing the outer edge of the disk. they refunded my $$ and about 2 weeks after receiving it I got a call...they had 2 more do the same thing.

I told them yep.... "we do things right because we do them twice" what really pisses me off are these vendors who "never seen that before" and honestly, had I not been a legit shop I bet they would have told me to pack it. In they end they did good, but I told the guy they were only 8hrs away and I would have heaved the clutch thru their showroom window had they not issued a refund
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amrcnbadaz
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PostPosted: Mon Jul 08, 2019 5:24 am    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

michla wrote:


Indeed there is....folks like me running an 86 stroke making torque need the Stage 3 clutches and Kennedy boasts now that their diaphram plates are the solution. Well, I just removed mine from 2016 and one of the "triangle straps" was completely broken off and the rest were wavy like a sound wave ! I wrote Kennedy just awhile ago telling them of my plight because that's the weak link in their design. Meanwhile, I'm going for the NOS stuff myself, just purchased one on Ebay. What are you asking for yours and if so, is it used or?


I just took a couple pics of what I have. I was wrong about one thing, it is a 2300# plate. Made in Aug 93. Never bolted on, just sitting in a box in my shed. I should have the t/o bearing, I just need to look deeper in the box. I would consider selling. Chances are I will not build another drag car. I have no idea what a brand new 26 year old clutch would be worth though? Shocked

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michla
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PostPosted: Mon Jul 08, 2019 4:53 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

amrcnbadaz wrote:

I would consider selling.


PM'ing you now
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michla
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PostPosted: Mon Jul 08, 2019 4:57 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

skills@eurocarsplus wrote:
it's not just them.



Welcome to the new world of "Made in USA" with massive Chinese production run parts real cheap. Mark that sucker up and make a huge profit at the expense of the user and loose the faithful business

Yup, us Americans are shooting ourselves in the foot making a fast buck lately.
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jpaull
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PostPosted: Mon Jul 08, 2019 5:06 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

I just found one for $75.

The 3 fingers have coil springs, and if they get surface rust the springs will be compromised. Check first....

Just a recent example:
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.


Last edited by jpaull on Mon Jul 08, 2019 5:11 pm; edited 1 time in total
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michla
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PostPosted: Mon Jul 08, 2019 5:08 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

jpaull wrote:


The 3 fingers have coil springs, and if they get surface rust the springs will be compromised. Check first....



good point, thank you
by the way, this seller literally removed the fingers and coil springs and SPRAY-PAINTED the plate to make it look new !! Kennedy never painted those strap-braces.


Last edited by michla on Mon Jul 08, 2019 5:14 pm; edited 2 times in total
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jpaull
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PostPosted: Mon Jul 08, 2019 5:12 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

michla wrote:
jpaull wrote:


The 3 fingers have coil springs, and if they get surface rust the springs will be compromised. Check first....



good point, thank you
by the way, this seller literally removed the fingers and coil springs and SPRAY-PAINTED the plate to make it look new !! Kennedy never painted those strap-braces


Yes, I noticed that too. Not exactly NOS
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.
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michla
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PostPosted: Mon Jul 08, 2019 5:15 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

jpaull wrote:


Yes, I noticed that too. Not exactly NOS


Me thinks you bought a slightly used plate
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jpaull
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PostPosted: Mon Jul 08, 2019 5:34 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

michla wrote:
jpaull wrote:


Yes, I noticed that too. Not exactly NOS


Me thinks you bought a slightly used plate


Definately repainted. Could be "remanufactured" but The clutch surface appears untouched. Doesnt look used or remachined so it could have been sitting and they decided to take it apart and freshen up. For 75 Im happy to check the holding power. The 3 finger style have a nicer feel then the diaphram.
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.
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michla
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PostPosted: Mon Jul 08, 2019 11:04 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

jpaull wrote:
The clutch surface appears untouched. Doesnt look used or remachined so it could have been sitting and they decided to take it apart and freshen up. For 75 Im happy to check the holding power. The 3 finger style have a nicer feel then the diaphram.


If it was me I'd either have a shop check the flatness of the shoe or at least lay a straight-edge across it and see how much of a feeler gauge you can get under at any point, especially toward the center. More than .010" and I'd have it resurfaced if it was me.
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jpaull
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PostPosted: Tue Jul 09, 2019 7:51 am    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

michla wrote:
jpaull wrote:
The clutch surface appears untouched. Doesnt look used or remachined so it could have been sitting and they decided to take it apart and freshen up. For 75 Im happy to check the holding power. The 3 finger style have a nicer feel then the diaphram.


If it was me I'd either have a shop check the flatness of the shoe or at least lay a straight-edge across it and see how much of a feeler gauge you can get under at any point, especially toward the center. More than .010" and I'd have it resurfaced if it was me.


Yes absalutly
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.
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67rustavenger Premium Member
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PostPosted: Fri Jul 19, 2019 5:10 pm    Post subject: Re: from the"That's Racing" Department: SAD PRESSURE PLATES LATELY Reply with quote

Michla,
I saw your new clutch, pressure plate and flywheel today. When I was picking up my new trans and axles.
Damn! That is one hell of a setup. It should hold up well for your use.

The builder has asked that I not reveal his information. Sorry guy's.
Michla had to sign a non-disclosure agreement before the builder sent any pics of the setup.

Good Luck
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