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 5Likes
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4
Post By blykins
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1
Post By Double Venom
07-24-2013, 10:18 PM
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CC Member
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Join Date: Aug 2002
Location: Richmond,
VA
Cobra Make, Engine: Superformance Mk III / Windsor platform
Posts: 450
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Not Ranked
TKO 600 Improvement?
3rd gear synchro is going on my TKO 600. It has always been a slow, glitchy pig to shift. Has anyone had any luck with a rebuilder who can modify these things to make them shift better. Anyone have any experience with these folks:
WELCOME TO LIBERTYS HIGH PERFORMANCE Thanks for any help. |
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07-25-2013, 03:10 AM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
Liberty is a great company. Or, just have Blykins at B2motorsports help you, he is a Tremec expert, he has a few options to beef up any TKO600, plus he is a great guy to deal with, he has a website with transmission options... 
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PRIDEnJOY
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07-25-2013, 05:01 AM
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Senior Club Cobra Member
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Join Date: Jan 2005
Location: VALLEY FORGE,
PA
Cobra Make, Engine: SUPERFORMANCE w DOUG MEYER ENGINE
Posts: 1,958
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Not Ranked
There are carbon syncros for the 600. I tried them. Helps a bit.
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07-25-2013, 06:32 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
The biggest issue isn't really the blocking rings, it's the finish on the gear cones and synchronizers. With any part, there are tolerances, and some of the TKOs just don't like to be shifted fast, especially at higher rpms. The finish on the cones along with the thrust clearance are usually adjusted on our higher end TKOs, and a new shift finger is installed as well.
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07-25-2013, 08:56 AM
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CC Member
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Join Date: Dec 2011
Location: Voorhees,
NJ
Cobra Make, Engine: BDR #1230/B2 445CI SBF
Posts: 295
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Not Ranked
Brent-we did all that fancy stuff to the new trans correct?
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Gary Bowman
Voorhees NJ/Key Largo Fla/Ventnor NJ
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07-25-2013, 09:02 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
No, yours is a used trans that I pulled out of a Bronco down at the junkyard.
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07-25-2013, 09:05 AM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
any more of them broncos down there?????I could use a few parts for this 71 boss 351 stang---------
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07-25-2013, 09:07 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
I have to give Gary a hard time....
Gary, we spared no expense on yours man. It's got the Sure Shift upgrade.
Jerry, what kind of parts are you needin?
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04-14-2014, 10:01 PM
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CC Member
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Join Date: Feb 2012
Location: Keller,
TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
Posts: 549
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Not Ranked
Quote:
Originally Posted by blykins
I have to give Gary a hard time....
Gary, we spared no expense on yours man. It's got the Sure Shift upgrade.
Jerry, what kind of parts are you needin?
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Hey Brent, what is the Sure Shift upgrade? Sounds like I'm gonna need that when I get my TKO600 in a few months - or whenever I finish building the motor. |
04-14-2014, 10:39 PM
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CC Member
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Join Date: Mar 2014
Location: Broken Arrow,
OK
Cobra Make, Engine: BDR#1344/Dart SBF 427
Posts: 93
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Not Ranked
I'm curious also. Have a new TKO600 on the floor waiting on the car to show up. Don't mind paying for a little insurance or piece of mind if the 600 is still having issues.
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04-15-2014, 05:00 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
Sure shift is a surface enhancement to help with quick shifting over 6000 rpm. Most of you all don't need it, just need a good aftermarket shifter.
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04-15-2014, 05:53 AM
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CC Member
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Join Date: Nov 1999
Location: Brisbane, Australia,
Q
Cobra Make, Engine: Contemporary CCX3117 427FE
Posts: 4,381
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Not Ranked
C'mon Brent, say what you're thinking! 
Quote:
Originally Posted by blykins
...to help with quick shifting over 6000 rpm. Most of you all drive like pussies...
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Craig
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04-15-2014, 07:07 AM
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CC Member
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Join Date: Nov 1999
Location: Pentwater,
Mi
Cobra Make, Engine: Professional Cobra & Streetrod Builder
Posts: 5,352
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Not Ranked
CRAIG, aka 750
You still crack me up!
My only item on my "Bucket list" is to be able to save enough money and  time to come and see you (AND YOUR COBRA OF COURSE), before I start building in the clouds!
DV |
04-15-2014, 07:18 AM
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CC Member
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Join Date: Nov 1999
Location: Brisbane, Australia,
Q
Cobra Make, Engine: Contemporary CCX3117 427FE
Posts: 4,381
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Not Ranked
Ed, it'd be fantastic to see you over here!
My old Scotty-built Cobra has been sold to a guy who is turning it into a dedicated race car. I'm puttering around in a lovely old Contemporary now with a 427FE that is probably pushing out a modest and gentlemanly 500ish hp at the engine. My TKO600 shifts perfectly, which must only go to prove that I'm in the category of "cruiser" rather than "racer".
There are dozens of Cobra guys over here who would run rings around me on the racetrack, so my ClubCobra username is but a distant memory..for now. (I still have the 800+hp motor and an old Arntz that's crying out for an engine transplant )
I hope you're doing OK, all things considered.
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Craig
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04-15-2014, 08:28 AM
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CC Member
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Join Date: Nov 1999
Location: Pentwater,
Mi
Cobra Make, Engine: Professional Cobra & Streetrod Builder
Posts: 5,352
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Not Ranked
All things considered my friend, all things considered. Even more reason to complete my "List" .
PS
Somebody will have to teach me how to drive on the wrong side of the road! |
04-15-2014, 11:25 AM
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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: 2,719
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Not Ranked
A significant part of the TKO's shifting problems come from the timing Tremec built into the OEM shift rods and their locking mechanisms in the transmission. Liberty has a shift improvement kit that includes the carbon fiber synchros, bronze wear pads for the shift forks and replacement shift rods for the portion of the shifting mechanism internal to the TKO with the timing problems.
The kit has been around for years and users have had good results when they have employed it. I think you would too.
ed
__________________
Help them do what they would have done if they had known what they could do.
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04-15-2014, 11:45 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 eschaider
A significant part of the TKO's shifting problems come from the timing Tremec built into the OEM shift rods and their locking mechanisms in the transmission. Liberty has a shift improvement kit that includes the carbon fiber synchros, bronze wear pads for the shift forks and replacement shift rods for the portion of the shifting mechanism internal to the TKO with the timing problems.
The kit has been around for years and users have had good results when they have employed it. I think you would too.
ed
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A new shift finger and pads greatly help. The carbon fiber blocking rings are a nicety and not really a necessity. There have been angle issues with the cf rings as there have been production runs where the angle of the ring doesn't match the angle of the gear cone and they wear prematurely.
The biggest issue with the TKO is the production tolerances on the gear cone surface finish. When the synchro can't make friction it's hard for the components to match rpms for a quick shift. The biggest part of the sure shift upgrade is the correction of those surface finishes.
These transmissions also really benefit from an aftermarket shifter and a nice breakin period. |
04-15-2014, 09:39 PM
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CC Member
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Join Date: Aug 2012
Location: Grand Rapids, MI,
MI
Cobra Make, Engine: StreetBeasts, 331 Stroker
Posts: 149
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Not Ranked
My TKO600 with about 900 miles on it had the 3rd gear falling out when I would engine break. After discovering a rear main seal leak, I pulled the trans and took it to a local shop. 150 bucks later, and the promise of their master mechanic that absolutely nothing was wrong with the trans, it's no longer jumping out of gear. So who knows, the gears looked great inside, and so hopefully the problem was solved.
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04-15-2014, 09:55 PM
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CC Member
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Join Date: Apr 2008
Location: Melbourne,
Vic
Cobra Make, Engine: Some polish thing... With some old engine
Posts: 2,286
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Not Ranked
Edit... Keyboard interface error...
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04-25-2014, 04:14 AM
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CC Member
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Join Date: Jul 2009
Location: Redland Bay,
QLD
Cobra Make, Engine: Harrison #100 under construction
Posts: 1,109
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Not Ranked
Dimis.........surely you mean organic interface error !! 
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Rog 246
Harrison #100
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