Absolute Pace

Go Back   Club Cobra > Club Forums > Australian Cobra Club

Welcome to Club Cobra!  The World's largest non biased Shelby Cobra related site!

  •  » Representation from nearly all Cobra/Daytona/GT40 manufacturers
  •  » Help from all over the world for your questions
  •  » Build logs for you and all members
  •  » Blogs
  •  » Image Gallery
  •  » Many thousands of members and nearly 1 million posts! 

YES! I want to register an account for free right now!  p.s.: For registered members this ad will NOT show

Keith Craft Racing
Nevada Classics
MMG Superformance
Main Menu
Nevada Classics
Nevada Classics
MMG Superformance
MMG Superformance
Advertise at CC
Banner Ad Rates
Keith Craft Racing
MMG Superformance
MMG Superformance
MMG Superformance
March 2024
S M T W T F S
          1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31            
  #41 (permalink)  
Old 06-14-2003, 04:31 PM
OZCOBRA's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Mar 2002
Location: MELBOURNE,AUSTRALIA, Vic
Cobra Make, Engine: Homebush,B2 Windsor 445
Posts: 1,189
Not Ranked     
Unhappy

......BUT Craig what would be the acceptable deflection for a uni to work and cope with the a consitent binding movement??Are we not thinking too much towards the extreme end of the what-ifs...really with the live axle just how much movement are we going to have in the real world,surely it's not as if we are going to have 6''/8'' of travel consistently whilst under load ...don't you think the actual travel will be more likely to be 2''/3''.....in any case so we're changing uni's every 20000k's as a preventative measure instead of 100000 that in itself is a good thing is it not ,considering the number of cobra owners that neglect this little item until it destroys its self when you least want it to happen in the middle of nowhere or the track...!!!......I'm just exploring options and Mikes suggestions he is of the opinion it's not a real issue sure it's there....... BUT..??
Reply With Quote
  #42 (permalink)  
Old 06-14-2003, 07:04 PM
Aussie Mike's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2001
Location: Sunbury, VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
Not Ranked     
Default

The T56 is a very long gearbox. I measured mine a while back and it was about 850mm from the output shaft to the face where it bolts to the engine. The tailshaft will work out to be about 17" long but that may vary depending on what your engine setback is. I would have some real concerns with having a live axle behind such a short tail shaft unless you can limit your suspension travel. IRS is definitely the go.

The price on the box seems OK if it has the ford patern bellhousing. Holden and Chev ones are more common but not easily adapted to the Ford motor. I paid $2800 for mine S/H and a friend just picked one up for about $3500 for his but it included clutch and flywheel.

What is the part number on the box? It's stamped on a little aluminium tag held under one of the extension housing bolts. There are quite a few different torque ratings for these boxes. You can reference your part number on the TTC Webpage and find out which one you have (unless it was a preproduction "special build" like mine was ).

Cheers
__________________
Mike Murphy
Melbourne Australia

Reply With Quote
  #43 (permalink)  
Old 06-14-2003, 08:24 PM
OZCOBRA's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Mar 2002
Location: MELBOURNE,AUSTRALIA, Vic
Cobra Make, Engine: Homebush,B2 Windsor 445
Posts: 1,189
Not Ranked     
Question

Mike,... the rear end is a live and i'm sticking with it seeing that i cut the rear end off teh chassis that supported the Jag IRS.....

The T56 is brand new at $AU4100 with a Ford bolt pattern,as for part n/o ??

Really though mike i'm just getting opinions because the Holinger 5spd is the next move if i can't find a box to that is cheaper and that will do the job with the same reliabilty for street and race.

What do you believe to be an appropriate length tailshaft to support the live axle in the cobra????Regards Paul
Reply With Quote
  #44 (permalink)  
Old 06-15-2003, 02:43 AM
750hp's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Nov 1999
Location: Brisbane, Australia, Q
Cobra Make, Engine: Contemporary CCX3117 427FE
Posts: 4,381
Not Ranked     
Default

Quote:
Originally posted by OZCOBRA


......BUT Craig what would be the acceptable deflection for a uni to work and cope with the a consitent binding movement??Are we not thinking too much towards the extreme end of the what-ifs...really with the live axle just how much movement are we going to have in the real world,surely it's not as if we are going to have 6''/8'' of travel consistently whilst under load ...don't you think the actual travel will be more likely to be 2''/3''.....in any case so we're changing uni's every 20000k's as a preventative measure instead of 100000 that in itself is a good thing is it not ,considering the number of cobra owners that neglect this little item until it destroys its self when you least want it to happen in the middle of nowhere or the track...!!!......I'm just exploring options and Mikes suggestions he is of the opinion it's not a real issue sure it's there....... BUT..??
There seem to be a lot of "red buts" appearing on this topic.....

The main thing that I suppose I'm concerned about with a short tailshaft is what angle the unis will be at just driving down the road. If your engine is tilted back at a reasonable angle, you'll need to adjust the pinion angle to more or less the same angle. Most guys seem to prefer having the crank centreline and the pinion sitting 1 degree from parallel (pinion down). This will increase the angle of the unis.

Regarding their service life, I must agree with you. If you just check them periodically and replace them as necessary, maybe it wouldn't be a problem.
I have a similar deal with my car - if the suspenion is fully compressed, the left tyre can touch the supercharger when it's at full steering lock. This isn't really a concern though, because if I'm ever in the situation that I'm at high speed with the suspension fully compressed AND on full steering lock, I have a whole lot more to worry about than rubbing a little mark on the blower housing

I still like the idea of the Holinger though!!!
__________________
Craig
Reply With Quote
  #45 (permalink)  
Old 06-15-2003, 03:08 AM
OZCOBRA's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Mar 2002
Location: MELBOURNE,AUSTRALIA, Vic
Cobra Make, Engine: Homebush,B2 Windsor 445
Posts: 1,189
Not Ranked     
Angry

Craig the red butts will certainly continue if i don't go the holinger and go with something else and then it chernobyls somebodies butt will be RED..!! I'm still keen on the Holinger but the old bank balance won't like it a great deal.!!!
Reply With Quote
  #46 (permalink)  
Old 06-15-2003, 04:43 AM
750hp's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Nov 1999
Location: Brisbane, Australia, Q
Cobra Make, Engine: Contemporary CCX3117 427FE
Posts: 4,381
Not Ranked     
Default

Another option out fo left field.....
http://www.gforcetransmissions.com/tran_gt-5.asp

Broken T5s are almost a badge of honour for the Qld Cobra guys. They really are a fragile trans, and I've seen 2nd, 3rd and 4th gears let go. When my 3rd gear let go, it took the cluster gear with it. I simply rolled on the throttle when it happened. I'm sure you could pick up a cheap broken T5 around the place.

Mike Long is a really good guy to talk to. He owns G Force, and REALLY knows his stuff. I wish I had the $$$ to have bought a new G Force trans a few months back, but I'm now accepting the fact that my car really does need the Glide that's currently in it. The T5 kit apparently sells for under $1,000-US, and I just bet he'd knock 10 or 20% off that for a customer or two "Down Under".
__________________
Craig
Reply With Quote
  #47 (permalink)  
Old 06-15-2003, 07:26 AM
BMK's Avatar
BMK BMK is offline
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2003
Location: Australia, Zzz
Cobra Make, Engine: Shelby alum 468 block
Posts: 14,974
Not Ranked     
Default

Good reading your notes guys.

I will be keen to catch up with Mike Moore at Calder when he does the test day.

I spoke with him on the Thursday when I was at McDonald Bros. Racing.

He is obviously making good progress with the cobra. If it is anything like the Xtreme 7 roadster it should be a good car.

Having Mikes old motor and running gear (the 351 strocker) I keep in close contact with Mike.

McDonald Bros. Racing have built an idependant front end with tube lower arms and Jag. upper arms with bump stop ground off etc.

Using the Commodore big discs on front.

Have also put Commodore ends on the Ford 9" so will have big Commodore discs brakes on all corners. Just another McDonald Bros. Racing idea that really looks good and appears to work.

I have considered running Harrop discs and calipers but the general thought is the Commodore ones are more than adequate for street and limited track use.

Will make sure the body is well screwed down to the chassis as I dont want it being left behind - sorry Mike!!!


Cheers


Bernie
__________________
Bernie Knight
KMS 427 #662 Shelby 468 CSX 1026
Reply With Quote
  #48 (permalink)  
Old 06-15-2003, 04:55 PM
Aussie Mike's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2001
Location: Sunbury, VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
Not Ranked     
Default

Quote:
Originally posted by OZCOBRA


Mike,... the rear end is a live and i'm sticking with it seeing that i cut the rear end off teh chassis that supported the Jag IRS.....

The T56 is brand new at $AU4100 with a Ford bolt pattern,as for part n/o ??

Really though mike i'm just getting opinions because the Holinger 5spd is the next move if i can't find a box to that is cheaper and that will do the job with the same reliabilty for street and race.

What do you believe to be an appropriate length tailshaft to support the live axle in the cobra????Regards Paul
I don't know really but I'm always over engineering everthing I make anyway. I guess it would probably be OK if you checked your unis regularly like Craig says. Some of the 4x4 guys run some pretty extreme angles on their drive shafts so they can probably take it. I would definitely be running a good tailshaft loop though.

Cheers
__________________
Mike Murphy
Melbourne Australia

Reply With Quote
  #49 (permalink)  
Old 06-16-2003, 03:50 AM
BMK's Avatar
BMK BMK is offline
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2003
Location: Australia, Zzz
Cobra Make, Engine: Shelby alum 468 block
Posts: 14,974
Not Ranked     
Default

Hey just looking around and found you guys.

Will need to come cruising with you when my car is finished.

Hell what the big deal they are only points and I haven't had a ticket for a while!!

I plan to drive to melbourne and drive/cruise back to Mt. Gambier if we do it again.

"Weekend at Bernie's" its already been named. Just need to come up with some dates.

Keep cruising I am envious!!


Bernie Knight
__________________
Bernie Knight
KMS 427 #662 Shelby 468 CSX 1026
Reply With Quote
  #50 (permalink)  
Old 06-20-2003, 06:20 AM
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2002
Location: melbourne, australia,
Posts: 459
Not Ranked     
Default

Hey Paul, i thought only zoo monkeys had red butts! I think my tailshaft is only about 400mm long. The bullnose toploader has a very long casing as well.

Andy.
__________________
All torque, no traction!

Anything is possible (if you can justify throwing bucket loads of money at it!).
Reply With Quote
Reply


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -7. The time now is 06:41 AM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
The representations expressed are the representations and opinions of the clubcobra.com forum members and do not necessarily reflect the opinions and viewpoints of the site owners, moderators, Shelby American, any other replica manufacturer, Ford Motor Company. This website has been planned and developed by clubcobra.com and its forum members and should not be construed as being endorsed by Ford Motor Company, or Shelby American or any other manufacturer unless expressly noted by that entity. "Cobra" and the Cobra logo are registered trademarks for Ford Motor Co., Inc. clubcobra.com forum members agree not to post any copyrighted material unless the copyrighted material is owned by you. Although we do not and cannot review the messages posted and are not responsible for the content of any of these messages, we reserve the right to delete any message for any reason whatsoever. You remain solely responsible for the content of your messages, and you agree to indemnify and hold us harmless with respect to any claim based upon transmission of your message(s). Thank you for visiting clubcobra.com. For full policy documentation refer to the following link: CC Policy