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Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
#2086095
06/04/16 10:01 PM
06/04/16 10:01 PM
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Joined: Dec 2003
Posts: 23,554
Here
jcc
OP
No soup for you!!!
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OP
No soup for you!!!
Joined: Dec 2003
Posts: 23,554
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So the application is a turbo slant six, under 300hp, never will see the drag strip, likely never will get north of 5k RPM. a QT scattershield from Summit is nearly $800. I will likely get a custom SFI rated alum FW/pressure plate set-up. I have an alum OEM bellhousing. CF/Kevlar is not a hassle for me. Anybody think adding say a 1/4"? outside/bonded Kevlar/CF to the complete outside of the OEM housing make any sense? Has to be better then nothing. Lot cheaper then the QT, and then spend the savings on the FW/clutch. Well?
I'm with Helmuth Hübener, and no soup is being served today.
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086110
06/04/16 10:38 PM
06/04/16 10:38 PM
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Joined: Dec 2004
Posts: 10,637
Rittman Ohio
fourgearsavoy
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I Live Here
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Posts: 10,637
Rittman Ohio
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Sounds like a waste òf time and money to me  I also have to question the aluminium flywheel as well in this application. I would think a steel flywheel with a counterweight pressure plate and iron disc would do the trick. Gus 
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086122
06/04/16 11:07 PM
06/04/16 11:07 PM
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Joined: Dec 2007
Posts: 12,593
Great Neck,LI,new york
hemi-itis
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 12,593
Great Neck,LI,new york
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You can use a trans blanket,would be less expensive.
HEMI-ITIS has no cure.
My condition is fully BLOWN!!
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: ahy]
#2086268
06/05/16 10:28 AM
06/05/16 10:28 AM
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Joined: Dec 2003
Posts: 23,554
Here
jcc
OP
No soup for you!!!
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OP
No soup for you!!!
Joined: Dec 2003
Posts: 23,554
Here
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Not sure why you would need more than the AL bell housing? No strip, under 300 HP, under 5000 RPM. I agree, the need is minimal if at all, more likely a little more peace of mind, without spending $800.
I'm with Helmuth Hübener, and no soup is being served today.
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: fourgearsavoy]
#2086271
06/05/16 10:30 AM
06/05/16 10:30 AM
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Joined: Dec 2003
Posts: 23,554
Here
jcc
OP
No soup for you!!!
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OP
No soup for you!!!
Joined: Dec 2003
Posts: 23,554
Here
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Sounds like a waste òf time and money to me I also have to question the aluminium flywheel as well in this application. I would think a steel flywheel with a counterweight pressure plate and iron disc would do the trick. Gus Not the first time I have heard that before.  Alum flywheel is thinking because its a 76?lb crank, no drar launch needed, and it may see some AutoX, hence my alum thinking.
I'm with Helmuth Hübener, and no soup is being served today.
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: hemi-itis]
#2086274
06/05/16 10:33 AM
06/05/16 10:33 AM
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Joined: Dec 2003
Posts: 23,554
Here
jcc
OP
No soup for you!!!
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OP
No soup for you!!!
Joined: Dec 2003
Posts: 23,554
Here
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You can use a trans blanket,would be less expensive. Interesting, but not sure if I have clearance, easily, and curious how it secures on the most sloped portion of the bellhousing where a flywheel would likely radiate thru, in a failure. Has this been done before? 
I'm with Helmuth Hübener, and no soup is being served today.
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: Bill MeLater]
#2086275
06/05/16 10:35 AM
06/05/16 10:35 AM
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Joined: Dec 2003
Posts: 23,554
Here
jcc
OP
No soup for you!!!
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OP
No soup for you!!!
Joined: Dec 2003
Posts: 23,554
Here
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Do it, test it to failure. Get an sfi rating, go into business and become filthy rich by giving them a 2 year from date of manufacture expiration. I need to get even richer, think I can lobby for a shorter 1 year expiration for the sake of "safety"? 
I'm with Helmuth Hübener, and no soup is being served today.
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086285
06/05/16 10:48 AM
06/05/16 10:48 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Sounds like you have access to the C/F cheap or free so I would do it... is it needed.. doubt it but sure would be a good test... the hood on my car I built out of C/F.. sure did make it lighter(and no one made anything for that car) 
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086288
06/05/16 10:52 AM
06/05/16 10:52 AM
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Joined: Oct 2007
Posts: 4,219
New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,219
New York
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Unless you use the 3.09:1 box, or a very high (numerical) axle, the light flywheel will require you to drive it like a 2-stroke. Not fun in traffic.
Boffin Emeritus
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: MR_P_BODY]
#2086294
06/05/16 10:57 AM
06/05/16 10:57 AM
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Joined: Dec 2003
Posts: 23,554
Here
jcc
OP
No soup for you!!!
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OP
No soup for you!!!
Joined: Dec 2003
Posts: 23,554
Here
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My supplies are not free unfortunately, but certainly cost effective. Three things I still would like to figure out, what does a steel QT housing weigh, so I can see if I am getting any weight benefits, what temps is the housing likely to see from internal heat vs external exhaust, which I can shield ( need this to make sure I use correct epoxy), and then how am I going to contain and fasten the open bottom?
I'm with Helmuth Hübener, and no soup is being served today.
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: polyspheric]
#2086296
06/05/16 11:04 AM
06/05/16 11:04 AM
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Joined: Dec 2003
Posts: 23,554
Here
jcc
OP
No soup for you!!!
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OP
No soup for you!!!
Joined: Dec 2003
Posts: 23,554
Here
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Unless you use the 3.09:1 box, or a very high (numerical) axle, the light flywheel will require you to drive it like a 2-stroke. Not fun in traffic. Yes, I am very hesitant on this choice, but I need a custom flywheel, to get the rating, and the torgue rating for a better clutch set-up, car is headed towards 2500lbs, with a short tire 23"?, of course the turbo, but it will have 2.76, and you are correct, very street focused,  I'm thinking.
I'm with Helmuth Hübener, and no soup is being served today.
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086300
06/05/16 11:07 AM
06/05/16 11:07 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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I assume you will vac this thing(all the light weight C/F parts have a vac applied to pull out all the extra resin) once the vac is applied the part tends to stay in place
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: FastmOp]
#2086380
06/05/16 12:43 PM
06/05/16 12:43 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Take pics as you go. I'd like to see what your up to.
All I can add is if you blow a flywheel up I don't think a little carbon is going to slow it down. Even on the chevy stuff that uses a flywheel shield which is basically 1/8" steel they use the grade 8 bolts to slow it down or hold it in... the shield I looked at looked like it was mild steel.. I could be wrong on that part... but it sure wasnt thick
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086391
06/05/16 12:52 PM
06/05/16 12:52 PM
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Joined: Dec 2004
Posts: 10,637
Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,637
Rittman Ohio
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Sounds like a waste òf time and money to me I also have to question the aluminium flywheel as well in this application. I would think a steel flywheel with a counterweight pressure plate and iron disc would do the trick. Gus Not the first time I have heard that before. Alum flywheel is thinking because its a 76?lb crank, no drar launch needed, and it may see some AutoX, hence my alum thinking. Well that's the theory of the aluminium wheel recovering faster between gear changes. As soon as the clutch releases the disc from the clutch/flywheel under load it zings back up instantly to your 5000 RPM sweet spot. Gus
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086419
06/05/16 01:33 PM
06/05/16 01:33 PM
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Joined: Oct 2003
Posts: 7,506
Az
Crizila
master
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master
Joined: Oct 2003
Posts: 7,506
Az
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So the application is a turbo slant six, under 300hp, never will see the drag strip, likely never will get north of 5k RPM. a QT scattershield from Summit is nearly $800. I will likely get a custom SFI rated alum FW/pressure plate set-up. I have an alum OEM bellhousing. CF/Kevlar is not a hassle for me. Anybody think adding say a 1/4"? outside/bonded Kevlar/CF to the complete outside of the OEM housing make any sense? Has to be better then nothing. Lot cheaper then the QT, and then spend the savings on the FW/clutch. Well? I like the idea. Containment is the big question. How about 3/8" thick? Sure would help address space / linkage issues that accompany blankets and steel shields.
Fastest 300
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Re: Kevlar/CF laminating an OEM Alum manual bellhousing, Crazy?
[Re: jcc]
#2086446
06/05/16 02:14 PM
06/05/16 02:14 PM
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Joined: Jan 2003
Posts: 20,388
Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,388
Park Forest, IL
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Another option would be to get a copy of the adapter plate Mark Goodman used to make and then find a used small block shield. That also allows you to use the 130 tooth flywheel, but puts the starter in the low position.
Lou (Dart 270) on the Slant board has the one I had made. I think he would loan it out so you could copy it.
"Everybody funny, now you funny too."
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