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. | 
09-20-05, 05:58 PM
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#1 (permalink)
| | Geoff Deakin Rookie 
Join Date: Dec 2001 Location: Carlisle, England
Posts: 95
Rep Power: 7  | RF40 front Uprights
Having spent some time studying photographs of the RF40 front uprights on various sites, they don't look particularly strong.
What are they like in use?
The inclusion of AP calipers in the kits is tempting, but I'm not sure of those uprights. | 
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09-20-05, 08:31 PM
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#2 (permalink)
| | ahirsbrunner Administrator
Join Date: Feb 2005 Location: Chicago, IL USA GT40: RCR-40 #24
Posts: 478
Rep Power: 8  | Re: RF40 front Uprights
Hi Geoff,
This is the photo I recalled seeing, which didn't leave me with any concerns. Granted I can't see all of it, but the spindle, a-arms etc. look as good as what I have on my track car. I am missing something?
Regards,
Al H | |
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09-20-05, 08:55 PM
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#3 (permalink)
| | A Tenth
Join Date: Jan 2003 Location: Chairman dept of Surgery, Mc Cullough-Hyde Memorial Hospital, Used to fly a T-33, looking forward t GT40: Oxford, Ohio
Posts: 186
Rep Power: 7 | Re: RF40 front Uprights
I recently compared my RF40 uprights (front) to those of a Porsche 928( a friend is currently restoring one). The RF's are massive in comparison. I've had my car over 120 mph and have no complaints. | |
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09-20-05, 09:10 PM
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#4 (permalink)
| | Ron Earp Site Administrator
Join Date: Sep 2001
Posts: 3,933
Rep Power: 57 | Re: RF40 front Uprights
They look decent size for the car and weight. Miata uprights are smaller on a car at about 2300lbs. There are over 700 SCCA spec Miatas running in the US and front upright failure has not been an issue with more track miles on them than any other SCCA race car these days. Cornering loads for both cars will be somewhat similar I bet, with the RF having less load due to weight distribution. | |
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09-20-05, 09:31 PM
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#5 (permalink)
| | ross nicol 10 tenths 
Join Date: Dec 2002 Location: melbourne austr
Posts: 1,066
| Re: RF40 front Uprights
2 years racing with them,thats 36 races and no problems.In my mind a non issue.However I do have spares just in case I have a shunt.Please don't bring me bad luck anyone.
Ross | |
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09-20-05, 11:13 PM
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#6 (permalink)
| | iraceone 4 Tenths
Join Date: Aug 2002 GT40: Tulsa,OK RF GT40
Posts: 440
Rep Power: 11 | Re: RF40 front Uprights
And just think that 928 has the engine up front . [img]/ubbthreads/images/graemlins/crazy.gif[/img] | |
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09-21-05, 07:40 PM
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#7 (permalink)
| | aero 3 Tenths
Join Date: Jul 2004 Location: Portland, OR - USA GT40: Currently designing scratch built mid engine sports car.
Posts: 302
Rep Power: 8 | Re: RF40 front Uprights
Is that an RF designed upright or is it off a road car? | |
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09-21-05, 08:00 PM
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#8 (permalink)
| | Ron Earp Site Administrator
Join Date: Sep 2001
Posts: 3,933
Rep Power: 57 | Re: RF40 front Uprights
I think off a road car, I remember seeing Ford stamped on it as I recall.
Ron | |
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09-21-05, 08:33 PM
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#9 (permalink)
| | ross nicol 10 tenths
Join Date: Dec 2002 Location: melbourne austr
Posts: 1,066
| Re: RF40 front Uprights
Yep that's right Ron, they're off a Ford Cortina.Used quite a lot in replicas and kits.
Ross | |
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