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07-29-2013, 12:00 PM
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CC Member
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Join Date: Dec 2004
Location: Colorado Springs,
Co
Cobra Make, Engine: Cobra FF5/BBM 482
Posts: 148
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Not Ranked
steering rack
does anybody know what original cars used for rack was it mg
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07-29-2013, 12:25 PM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,390
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Not Ranked
On the 289's with rack and pinion, it is very similar to the MGB rack. I'm not sure if the 427 was the same or not.
Larry
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Alba gu brąth
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07-29-2013, 02:49 PM
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CC Member
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Join Date: Nov 2004
Location: Cambridge, England,
n/a
Cobra Make, Engine: 289 leafspring, r/p
Posts: 518
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Not Ranked
289 was an MGB rack with a modification to the pinion. In stock from Gerry Hawkridge. I suspect the same for a 427, but Gerry will be able to tell you.
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07-29-2013, 06:24 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
It was the same on all rack and pinion cars. It is a Cam Gears brand rack that is effectively the same as an MGB rack with a shortened input or pinion shaft. I have rebuilt originals where original parts are important but the new replacements are the way to go from Flaming River for most applications.
Cobra/MGB Manual Rack & Pinion - FR1512 - 582 - 5451 |
07-29-2013, 07:31 PM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,390
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Not Ranked
Does it make me weird because I want that rack to have the little angled sticker running around the middle?
I bet it does!
Larry
__________________
Alba gu brąth
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07-30-2013, 12:14 AM
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CC Member
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Join Date: Nov 2004
Location: Cambridge, England,
n/a
Cobra Make, Engine: 289 leafspring, r/p
Posts: 518
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Not Ranked
oops, didn't think - of course, you guys want the pinion on the wrong side, don't you?
Roger
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07-30-2013, 07:14 AM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,390
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Not Ranked
"Wrong" side?
Only if we are dillivering the mail! 
Larry
__________________
Alba gu brąth
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07-30-2013, 10:29 AM
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CC Member
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Join Date: Dec 2004
Location: Colorado Springs,
Co
Cobra Make, Engine: Cobra FF5/BBM 482
Posts: 148
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Not Ranked
is this exact for 427 cobra nick or would it have to be shortened
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07-30-2013, 11:05 AM
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CC Member
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Join Date: Aug 2007
Cobra Make, Engine: 31XX Car
Posts: 374
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Not Ranked
Claims about new rack
Quote:
Originally Posted by mickmate
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Nick - Out of curiosity, have you found any truth to the claim that that new rack has a smoother feel than the originals due to new technology? If so, what specifically has been changed to accomplish that?
The website also specifies that the pinion has been shortened for "better clearance than original". If the pinion is shorter, than the intermediate shaft would also have to change, unless someone found having the steering wheel moved toward the dash is better for them. Sounds like playing with fire, as clearances like intermediate shaft to header tubes is often close to begin with. |
07-30-2013, 05:00 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
That is an exact replacement Cobra rack. If you want it to read Cam Gears down under the car where no one sees it you know what to do. We're talking 50 year old technology here. The MGB and Cobra are 50 years old. I believe the FR is smoother than the Cam Gears after comparing them side by side. You would expect it to be. Cam Gears is a smidgeon under the 3 turns lock to lock at about 2.9. The input shaft has been shortened for better clearance in the MG application. The Cobra rack has a 7.5" pinion shaft in both.
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07-30-2013, 07:01 PM
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CC Member / Sponsor
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Join Date: Jan 2002
Location: Provo,
UT
Cobra Make, Engine: Daytona Coupe
Posts: 1,356
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Not Ranked
There is a slow as well as a fast MG rack. The original Cobra used the fast rack. The Flaming River Rack is right in the middle speed wise.
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08-02-2013, 08:10 AM
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CC Member
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Join Date: Feb 2010
Location: Hermosa Beach,
ca
Cobra Make, Engine: ERA#520, Roush 427SR
Posts: 203
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Not Ranked
What Manufacturer's rack is on the CSX4000 series??
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11-04-2020, 03:19 AM
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CC Member
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Join Date: Dec 2004
Location: Colorado Springs,
Co
Cobra Make, Engine: Cobra FF5/BBM 482
Posts: 148
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Not Ranked
does anyone know if overall length of the pinion shaft in cobra rack is 7.5 or is that what the measurement is outside of rack?
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11-04-2020, 03:57 PM
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CC Member
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Join Date: Mar 2009
Location: Mendota,
IL
Cobra Make, Engine:
Posts: 693
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Not Ranked
I need to know to. I have a cam gears that I need to shorten the shaft and respline.
Last edited by MAStuart; 11-06-2020 at 06:12 AM..
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11-05-2020, 06:54 AM
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CC Member
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Join Date: Dec 2004
Location: Colorado Springs,
Co
Cobra Make, Engine: Cobra FF5/BBM 482
Posts: 148
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Not Ranked
David Kirkham was nice enough to send me a picture of an original, I cant get it to load but with the pinion shaft in you should have 4.75 out of the housing.
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