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 1Likes
06-06-2009, 01:13 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Neutral
New! Kirkham 427 FE Billet Flywheel Twin Clutch
Fellow Car Nuts:
As the automotive industry stinks right now, and we probably won't get a bail out, we decided to go into the dairy industry and make Swiss Cheese 
In the never ending quest to remove weight from the car, Sandwich and Thomas got together yesterday and created a little more eye candy for all of us. This is our new Billet Aluminum 427 FE flywheel and pressure plate assembly. The twin-disk clutch unit is from McLeod. They didn't have an FE flywheel for the set up, so we figured we'd make one.
Removing mass from around the outside of the flywheel is more important the mass from the inside as the outside mass has a greater moment of inertia. Anyone who has driven an FE with a steel flywheel knows how nice it is to remove some of that weight. Your motor spins up MUCH faster, making it so much easier to shift gears quickly. Frankly, I can't stand to drive a car with a steel flywheel--they take way too long to rev up so you are always waiting to shift gears.
Last edited by David Kirkham; 06-06-2009 at 01:41 PM..
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06-06-2009, 01:15 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Neutral
Since it is easier to put our cars on Weight Watchers than ourselves...
We figured while we were at it, we'd remove a little of the "extra" aluminum.
Last edited by David Kirkham; 06-06-2009 at 01:22 PM..
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06-06-2009, 01:16 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
This set up is for a Tremec TKO 600
Last edited by David Kirkham; 06-06-2009 at 01:23 PM..
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06-06-2009, 01:18 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Here you can see the twin clutch disks.
Last edited by David Kirkham; 06-06-2009 at 01:25 PM..
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06-06-2009, 01:23 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Now for the good stuff..
This entire set up 23.76 pounds!
Last edited by David Kirkham; 06-06-2009 at 01:27 PM..
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06-06-2009, 01:25 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
This is the original type set up with a steel flywheel and normal pressure plate. It weighs 65.85 pounds for a 42.09 pound savings! Our new set up is about 1/3 the weight. No wonder the original cars reved up so slowly.
Last edited by David Kirkham; 06-06-2009 at 01:43 PM..
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08-05-2011, 03:45 PM
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CC Member
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Join Date: Mar 2004
Location: Riverside,,
Ca
Cobra Make, Engine: KMP 201 427 SO Tunnelport
Posts: 42
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Not Ranked
Hey, That looks like the setup McCloud built for me years ago, BUT mine has the 3/8 big input toploader spline.
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08-05-2011, 06:17 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Yes, McLeod offers the "Street Twin" clutch kit in a 1-3/8" size for Toploaders.
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06-06-2009, 03:27 PM
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CC Member
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Join Date: Aug 2003
Location: San Diego,
CA
Cobra Make, Engine: BDR #455, KC427W, TWM-FI
Posts: 727
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Not Ranked
Got one for a small block?
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06-06-2009, 05:56 PM
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Senior Club Cobra Member
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
Posts: 3,235
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Not Ranked
Quote:
Originally Posted by Rwillia4
Got one for a small block?
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I was thinking the same thing!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
David
__________________
DAVID GAGNARD
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06-06-2009, 06:48 PM
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CC Member
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Join Date: Jul 2000
Location: Shreveport,
LA
Cobra Make, Engine: CSX4083, NOS 427 SOHC, serial number 589. Dyno'd in 1967 at 629HP with single 4v 560 Holley. Now with 4 Webers.
Posts: 295
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Not Ranked
Horsepower rating?
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06-06-2009, 07:15 PM
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CC Member
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Join Date: Feb 2006
Location: Gilroy,
CA
Cobra Make, Engine: SPF 2291, Whipple Blown & Injected 4V ModMotor
Posts: 2,742
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Not Ranked
David,
Very nice work as usual!
Did my eyes deceive me or did I see sintered iron discs in that uber light assembly? Two more questions; which McLeod pressure plate is that and how much plate load does it provide.
Thanks - especially for the inspiration, again and always.
Ed
__________________
Help them do what they would have done if they had known what they could do.
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06-06-2009, 10:40 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Quote:
Originally Posted by eschaider
David,
Very nice work as usual!
Did my eyes deceive me or did I see sintered iron discs in that uber light assembly? Two more questions; which McLeod pressure plate is that and how much plate load does it provide.
Thanks - especially for the inspiration, again and always.
Ed
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Thanks for the kind words. Yes, they are sintered iron. I can't wait to try them.
I am not sure which plate it is. I posted those just before I had to run out to Congressman Chaffetz's fundraiser. I just got back; I'll find out and post it Monday.
David
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06-06-2009, 10:02 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Quote:
Originally Posted by Full Throttle Al
Horsepower rating?
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I don't remember right now. I'll have to ask McLeod or look it up. It is a standard unit they use. I can't wait to give it test drive.
David
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06-08-2009, 03:39 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Quote:
Originally Posted by David Kirkham
I don't remember right now. I'll have to ask McLeod or look it up. It is a standard unit they use. I can't wait to give it test drive.
David
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There are two twin disc McLeods available. One is the RST, the other is the RXT. The former is rated for 800hp, with two organic discs, the latter is rated for 1000 with two dual friction discs.
They will bolt up to any FE flywheel, with any pressure plate pattern. I can get them for a TKO, Toploader, Jerico, small block, big block, whatever you want to run.
If David is interested in doing a package deal, I can provide the clutch components if he wants to do the flywheel. |
06-06-2009, 09:57 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Quote:
Originally Posted by Rwillia4
Got one for a small block?
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We were talking about that today. I am sure we will be coming up with one soon. We were actually thinking about making a billet bell housing and seeing if we could make the ring gear much smaller to make the whole package smaller. We would then have to put the starter in from the rear.
David
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06-06-2009, 04:07 PM
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Senior Club Cobra Member
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Join Date: Dec 2003
Location: BAKERSFIELD,
CA
Cobra Make, Engine: KMP241 427 S/C 482 Shelby
Posts: 483
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Not Ranked
David,,,,,,,Looks great, but I need help with my hood scoop........Ron
__________________
RON N BKFLD
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06-06-2009, 09:59 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Quote:
Originally Posted by RON N BKFLD
David,,,,,,,Looks great, but I need help with my hood scoop........Ron
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I'm going to have to borrow one from another car! 
David
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06-06-2009, 04:35 PM
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CC Member
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Join Date: Aug 2003
Location: San Diego,
CA
Cobra Make, Engine: BDR #455, KC427W, TWM-FI
Posts: 727
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Not Ranked
David,
I was thinking it might look like this:
It would save weight and ...well I don't know what else it would do once it was installed, cus no one would see it. But if you think of it like a girlfriend, you know what she has under her clothes and that counts for something 
Rob |
06-06-2009, 10:01 PM
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CC Member
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Join Date: Mar 2001
Location: Provo,
Ut
Cobra Make, Engine: Kirkham, 427
Posts: 6,990
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Not Ranked
Quote:
Originally Posted by Rwillia4
David,
I was thinking it might look like this:
It would save weight and ...well I don't know what else it would do once it was installed, cus no one would see it. But if you think of it like a girlfriend, you know what she has under her clothes and that counts for something
Rob |
Rob,
Pretty sweet flywheel!
David
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