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11-07-2007, 10:29 PM
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CC Member
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Join Date: Sep 2007
Cobra Make, Engine: Kirkham #492/ 427/482 Keith Craft. Simple, Clean.
Posts: 114
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Not Ranked
Tremec 600 -5spd Toploader
I am in the process of ordering a Keith Craft 427/482 Pond Side-Oiler with Shelby Intake and Heads. The motor is going into a 427 S/C Kirkham. I believe I am going to go with the Tremec 600/5spd in a toploader configuration, but wondered if any of you had comments or thoughts. I need to make the final decision in a week or two.
Thanks!
al
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11-08-2007, 12:03 AM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,979
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Not Ranked
The TKO600 with the .82 5th gear will be a great fit for that car.
__________________
Remember, It's never too early to start beefing up your obituary.
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11-08-2007, 08:50 AM
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CC Member
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Join Date: Jul 2006
Location: Darnestown,
MD
Cobra Make, Engine: ERA 289FIA, 289 stroked to 331, 392 HP
Posts: 478
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Not Ranked
If you'll be spending alot of time on the highway, I'd go with the 0.64. Somewhat quieter and you can go farther between fill ups. If you'll be mostly on twisted winding roads or plan to do alot of open track time, I'd go with the 0.82. I've got 3500 miles on my TKO600 and it has performed flawlessly.
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11-08-2007, 09:05 AM
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Member of the north
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Join Date: May 2003
Cobra Make, Engine: A Cobra
Posts: 11,207
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Not Ranked
I agree with Warren, I have the .64 and it makes my car a pleasure to take on the freeway.
Now, if I could only make the price of gas go down...hmmmmmm.
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11-08-2007, 09:36 AM
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CC Member
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Join Date: Oct 2007
Location: roseburg,
or
Cobra Make, Engine: midstates with dual 4 390 aluminium heads msd etc.
Posts: 23
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Not Ranked
tremec good choice! watch cam profile vs highway use, too much cam and youll be in 4th most of the time. I have big block with dual 4 390 solid cam etc. kept the duration down with decent lift works great!perfect street car yet runs well on pump gas. 9.7 to one comp. with 235 duration at .050 and .571 lift 110 lobe seperation 3.54 rear gear 2200 rpm at 70mph with .64 good luck see you this spring!
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11-08-2007, 11:30 AM
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CC Member
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Join Date: Dec 2006
Cobra Make, Engine: CSX 4000; Shelby aluminum FE with 58mm IDAs
Posts: 1,116
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Not Ranked
Quote:
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Originally Posted by xlr8or
The TKO600 with the .82 5th gear will be a great fit for that car.
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I second that. I've got a TKO600 w/ the .82 OD in my car, and it's a very nice combination. |
11-08-2007, 11:50 AM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
The TKO600 with the 0.82 OD is the recommended tranny for the KIrkham with a 3.42 rear end gear ratio. Although someday I would like to investigate the fitment of one of those new Richmond 5-speeds which are made in the USA.
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11-08-2007, 05:39 PM
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CC Member
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Join Date: Jul 2006
Location: Darnestown,
MD
Cobra Make, Engine: ERA 289FIA, 289 stroked to 331, 392 HP
Posts: 478
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Not Ranked
I should have clarified that my recommendation was based on having 3.54 rear gears. With 3.31 or taller I probably would have opted for the 0.82.
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11-08-2007, 06:48 PM
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Senior Club Cobra Member
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Join Date: Feb 2003
Location: sac., ca,
ca
Cobra Make, Engine: owned Kirkham for 11 years
Posts: 1,032
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Not Ranked
I have a 342 rear with the .64 T600 along with a fairly steep cam and will cruise at 2200 so long as traffic is steady.
I would choose the .82 with my cam the next time .
Maurice
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11-08-2007, 07:34 PM
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CC Member
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Join Date: Sep 2007
Cobra Make, Engine: Kirkham #492/ 427/482 Keith Craft. Simple, Clean.
Posts: 114
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Not Ranked
Thank You
Hey all.
Thanks much for the big assist! I have forwarded your feedback to Joe Weight at Kirkham and we will discuss tomorrow!
Thanks again...exactly the kind of info and commentary I was searching for!
al
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11-09-2007, 09:10 AM
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CC Member
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Join Date: Feb 2003
Location: Morgan Hill,
CA
Cobra Make, Engine: SPF 2293, Roush 427R-228
Posts: 298
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Not Ranked
You may also want to factor in what size tires you plan on using. If your going with a 26" tire, like the billboards, or the Mickey Thompson SR tires I'd consider the .68 OD. With the 295/50/15 Yoko's and a 3.46 rear and .82 OD I find I'd like to drop the RPMs a little more on the freeway. Because of that I'm hesitant to drop down to a shorter 26" tire and make the problem worse. Just one more thing to think about 
Good luck
Daryl |
11-09-2007, 09:54 AM
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CC Member
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Join Date: Feb 2006
Location: Arlington Hts,
IL
Cobra Make, Engine: SPF, KC 427
Posts: 424
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Not Ranked
Go with the .64 gear. The .82 really doesn't do much good when your cruising on the highway. I have the .82 and wish I had the .64. you can always down shift to 4th if you need more power, but when your in .82 thats it. Go with the .64 and you'll be glad you did.
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To my Cobra: - - when I'm with you - Oboy!
Last edited by Poolw; 11-09-2007 at 10:30 AM..
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11-09-2007, 12:39 PM
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CC Member
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Join Date: Jul 2007
Location: Detroit Burbs,
MI
Cobra Make, Engine: Former owner of SPF#2632
Posts: 257
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Not Ranked
Should i regret going with the .82? I am not planning on doing a ton of racing but some advised the .82 5th coupled with the 3.46 ratio was a good combination and if you had the old style SPF rear end (3.73???) the .64 would be preferred. Am i going to regret my choice?
Pool - why your regrets?
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11-09-2007, 01:19 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
Just my humble opinion, but I wouldn't own the 0.64 overdrive. It drops the RPMs too far.
With your set up you will be very close to 2500 RPMs at 75 MPH. I can't see a reason to run a 0.64 unless you are trying to pass CAFE requirements. With a 0.64 you will be under 2000 RPMs at 75 mph and run the risk of blowing up your motor if you lug it while trying to pass someone.
Also, a 0.64 will be completely useless on the track. You might be surprised at how many people now track their cars. It is incredible fun. You might say you don't need 5th on the track...I would say, come and try Miller Motorsports track and red-line your motor in 4th (Oh, what a feeling), and then grin as you grab 5th and keep winding.
David
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11-09-2007, 01:39 PM
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CC Member
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Join Date: Jul 2007
Location: Detroit Burbs,
MI
Cobra Make, Engine: Former owner of SPF#2632
Posts: 257
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Not Ranked
Thanks David. I feel better now... . Btw my dad was impressed with the partnership between Kirkham and his homeland. He has only been back once since his war refiugee days and I hope to take one last trip with him while he still can (maybe we can get a tour?). Dziêkujê |
11-09-2007, 02:32 PM
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Senior Club Cobra Member
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Join Date: Feb 2003
Location: sac., ca,
ca
Cobra Make, Engine: owned Kirkham for 11 years
Posts: 1,032
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Not Ranked
My fellings are hurt, ekrupa. When David speaks, you listen. ha
Maurice
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11-09-2007, 02:46 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
ekrupa2,
You are most welcome. I will probably go back to the factory again before the year is out. I have quite a bit of business to do in Europe (more Skunks Works Projects). Let me know and I would be happy to show you around.
Prosze!
David
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11-09-2007, 04:55 PM
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CC Member
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Join Date: Apr 1999
Location: cleveland,
OH
Cobra Make, Engine: CSX4000, 427
Posts: 1,999
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Not Ranked
Quote:
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Originally Posted by alpace@pacificp
I am in the process of ordering a Keith Craft 427/482 Pond Side-Oiler with Shelby Intake and Heads. The motor is going into a 427 S/C Kirkham. I believe I am going to go with the Tremec 600/5spd in a toploader configuration, but wondered if any of you had comments or thoughts.
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get the tko600 with the 0.82, and get 3.08 rear gears.
__________________
"After jumping into an early lead, Miles pitted for no reason. He let the entire field go by before re-entering the race. The crowd was jumping up and down as he stunned the Chevrolet drivers by easily passing the entire field to finish second behind MacDonald's other team Cobra. The Corvette people were completely demoralized."
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11-09-2007, 05:09 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
The Kirkhams come standard with a 3.42 rear end gear ratio.
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11-09-2007, 05:14 PM
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Senior Club Cobra Member
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Join Date: Feb 2004
Cobra Make, Engine:
Posts: 1,226
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Not Ranked
Quote:
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Originally Posted by Anthony
get the tko600 with the 0.82, and get 3.08 rear gears.
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Or 3.27 rear gears. That's my set-up and it's great. Either way, DEFINATELY get the .82 5th gear. |
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