MK-I MK-II MK-III MK-IV GULF MIRAGE J-CAR LOLA
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Why not start with your first post today and become an active part of GT40s.com now! And, if you find you enjoy GT40s.com think about becoming a Forum Supporter. | | GT40 Tech - Chassis,Brakes,Tires,&Wheels Chassis and Handling. | 
03-17-08, 07:08 PM
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#1 (permalink)
| | Doc Watson 5 Tenths 
Join Date: Feb 2005 Location: Devon, UK GT40: Replica Mk I
Posts: 505
Rep Power: 10  | Original Steering Rack?
Go grab your Legate Parts List and see if you can tell me whats wrong with this rack....
Andy
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replica mono chassis
original rear clip
1966 289
48IDA's
This month its going to be red
'This car you have to be measured for...' | 
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03-17-08, 08:04 PM
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#2 (permalink)
| | Mark IV Silver Supporter 
Join Date: Sep 2001 Location: W. New York GT40: Formerly P1116
Posts: 893
Rep Power: 15 | Re: Original Steering Rack?
Angle of the mounting bracket holes reletive to the angle of the steering shaft? Looks like they would be around 45 degrees off the surface of the chassis where they bolt up.
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The GT 40 reunion at the Glen in 1989 was as close to Heaven as I'll get... | |
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03-17-08, 09:53 PM
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#3 (permalink)
| | cushmancomp Rookie
Join Date: Dec 2003 Location: Maine
Posts: 91
Rep Power: 5 | Re: Original Steering Rack?
Doc heres the rack thats going in my car. Let me know if you need more pics. | |
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03-17-08, 09:56 PM
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#4 (permalink)
| | cushmancomp Rookie
Join Date: Dec 2003 Location: Maine
Posts: 91
Rep Power: 5 | Re: Original Steering Rack?
I think heres the pic
Last edited by cushmancomp; 03-17-08 at 10:03 PM.
Reason: pic
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03-17-08, 10:15 PM
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#5 (permalink)
| | Doc Watson 5 Tenths
Join Date: Feb 2005 Location: Devon, UK GT40: Replica Mk I
Posts: 505
Rep Power: 10 | Re: Original Steering Rack?
Just waiting for a correct casting of the rack and I'm swapping all the parts.......
__________________
replica mono chassis
original rear clip
1966 289
48IDA's
This month its going to be red
'This car you have to be measured for...' | |
| | |
03-17-08, 10:22 PM
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#6 (permalink)
| | cushmancomp Rookie
Join Date: Dec 2003 Location: Maine
Posts: 91
Rep Power: 5 | Re: Original Steering Rack?
I know thats been done but have you ever compared the internals of the MGB to the original CAM GEAR parts as used in the GT40's. Are the bearings and shafts the same size? I thought about doing that too but was concerned about the strength of the MGB parts as they were on lighter - smaller cars with alot less tire. Whats your thoughts? | |
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03-18-08, 05:23 AM
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#7 (permalink)
| | Doc Watson 5 Tenths
Join Date: Feb 2005 Location: Devon, UK GT40: Replica Mk I
Posts: 505
Rep Power: 10 | Re: Original Steering Rack?
I am not anticipating any problems, yes it is not as industrial as the original spec parts but I dont plan on hammering it around Le Mans flat out for 24 hours straight. Also after inspecting the internals last night its a basic design but sturdy. Now I need to find a good machine shop.
Will update on progress.
Andy
__________________
replica mono chassis
original rear clip
1966 289
48IDA's
This month its going to be red
'This car you have to be measured for...' | |
| | |
03-18-08, 07:20 AM
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#8 (permalink)
| | Charlie Farley 2 Tenths
Join Date: Sep 2005 Location: UK:East Anglia GT40: The 'Baby' has
Posts: 273
Rep Power: 6 | Re: Original Steering Rack?
One i made earlier.
Machining costs were not cheap. | |
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03-19-08, 07:33 AM
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#9 (permalink)
| | nota2266 Lifetime Premier Supporter 
Join Date: May 2004 GT40: Kurrajong, Australia
Posts: 347
Rep Power: 8 | Re: Original Steering Rack?
Or you could buy one of these very soon, exact original incl material spec.
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Trevor Booth,
Finished assembling a pile of bits incl, mono, 302W on IDF's,ZF, 15" pin drive BRM. | |
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04-15-08, 04:52 PM
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#10 (permalink)
| | Doc Watson 5 Tenths
Join Date: Feb 2005 Location: Devon, UK GT40: Replica Mk I
Posts: 505
Rep Power: 10 | Re: Original Steering Rack?
Found this...... now where was that milling machine......
__________________
replica mono chassis
original rear clip
1966 289
48IDA's
This month its going to be red
'This car you have to be measured for...' | |
| | |
04-16-08, 01:40 AM
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#11 (permalink)
| | JOHN SHAND Rookie 
Join Date: Apr 2003 Location: New Zealand GT40: Mk1 Mono
Posts: 67
Rep Power: 6 | Re: Original Steering Rack?
Quote:
Originally Posted by Doc Watson  Found this...... now where was that milling machine...... | you will also nead a lathe, and the exess casting on the front comes off | |
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04-16-08, 04:32 PM
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#12 (permalink)
| | cushmancomp Rookie
Join Date: Dec 2003 Location: Maine
Posts: 91
Rep Power: 5 | Re: Original Steering Rack?
What ratio are the mgb internals? The original cars had 3 different ratios 2 for different tracks and 1 for the MK3 street cars. Most all original race cars used the green stripe paint code as in my pics. This a NOS original I just found and is very quick. I will check the ratio when I get a few minutes to spare. | |
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04-16-08, 07:20 PM
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#13 (permalink)
| | Doc Watson 5 Tenths
Join Date: Feb 2005 Location: Devon, UK GT40: Replica Mk I
Posts: 505
Rep Power: 10 | Re: Original Steering Rack?
Will look tomorrow at my rack (later today......) and let you know Jay.
__________________
replica mono chassis
original rear clip
1966 289
48IDA's
This month its going to be red
'This car you have to be measured for...' | |
| | |
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