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. |
09-17-07, 08:57 AM
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#1 (permalink)
| | John Lowe Bronze Supporter 
Join Date: Apr 2006 Location: Lindfield, UK GT40: RCR MK1
Posts: 226
Rep Power: 5  | SVA handbrake Hi
Does anyone have any experience getting the HiSpec Monster4 combined handbrake/rear caliper through SVA. Looks a good solution but was told that the fact that the handbrake was mechanical/hydraulic in operation (even though it has a failsafe one way valve so that the brake remains "on" even if hydraulic pressure is lost) could mean a fail.
Any advice would be much appreciated.
John |
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09-17-07, 11:07 AM
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#2 (permalink)
| | spg Rookie 
Join Date: May 2007 Location: Much Wenlock,UK
Posts: 61
Rep Power: 2  | Re: SVA handbrake Believe that the southern has this arrangement, just went through SVA, |
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09-17-07, 11:31 AM
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#3 (permalink)
| | ssm Rookie 
Join Date: Feb 2004 Location: southampton UK. GT40: GTD.SGT001.
Posts: 26
Rep Power: 5  | Re: SVA handbrake Hi John give me a call 01489 784994 or 01489 789143 regards mick.
southern gt. |
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09-17-07, 01:45 PM
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#4 (permalink)
| | John Lowe Bronze Supporter 
Join Date: Apr 2006 Location: Lindfield, UK GT40: RCR MK1
Posts: 226
Rep Power: 5  | Re: SVA handbrake Mick
Thanks, I'll give you a call
Best
John |
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09-17-07, 01:58 PM
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#5 (permalink)
| | John Lowe Bronze Supporter 
Join Date: Apr 2006 Location: Lindfield, UK GT40: RCR MK1
Posts: 226
Rep Power: 5  | Re: SVA handbrake Spoke to SVA in Kent this pm . The calliper must be mechanical only therefore the monster 4 is out (I think they had been getting through but an SVA guy spotted that they were not strictly mechanical only and SVA engineers in the UK have been told to fail them ). However HiSpec have just launched a mechanical spot calliper which will meets the regs. They are emailing details this afternoon and I will post them to the site. John |
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09-17-07, 04:42 PM
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#6 (permalink)
| | brettmcc 10 tenths 
Join Date: Jan 2003 Location: Essex, UK GT40: RSGTD
Posts: 1,304
Rep Power: 20  | Re: SVA handbrake John,
I am going to try the Wilwood Handbrake caliper. Ofcourse it isn't roven on a 40 yet, but it is only mechanical.
Brett |
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09-17-07, 04:48 PM
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#7 (permalink)
| | brettmcc 10 tenths 
Join Date: Jan 2003 Location: Essex, UK GT40: RSGTD
Posts: 1,304
Rep Power: 20  | Re: SVA handbrake This is them attached to the hubs running a standard Granada Cosworth 278mm vented disc (pic taken when I was having Mick's rear end put on last week) |
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09-18-07, 04:07 AM
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#8 (permalink)
| | John Lowe Bronze Supporter 
Join Date: Apr 2006 Location: Lindfield, UK GT40: RCR MK1
Posts: 226
Rep Power: 5  | Re: SVA handbrake Bret
Thanks for that. Do you know when you will be SVA'ing this set up?
Live quite close to you (borders east/west sussex), you'd be welcome to view Frans workings (and mine!) when it arrives.
Best
John |
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09-18-07, 07:10 AM
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#9 (permalink)
| | brettmcc 10 tenths 
Join Date: Jan 2003 Location: Essex, UK GT40: RSGTD
Posts: 1,304
Rep Power: 20  | Re: SVA handbrake Hi John,
I am hoping early next year, that's with fingers very crossed!! I want to try and get the car at least driveable for Classic next year!
Brett |
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09-19-07, 12:34 PM
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#10 (permalink)
| | Paul Bearman 4 Tenths 
Join Date: Oct 2001 Location: UK, Kent GT40: Ex GTD40 owner,
Posts: 437
Rep Power: 11  | Re: SVA handbrake Hi John,
Another option is to use this type of AP caliper which I fitted to my GTD. I believe these were fitted to the Ford RS200 rally car & several types of Ferrari. This is a very sturdy mechanical caliper & wasn't to difficult to fit. Although I made the bracketry myself, Hi-spec motorsport has the CAD drgs for these as they have supplied caliper mounting hardware to Wealden Engineering for their 4 pot & 6 pot Monster brakes. |
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09-20-07, 05:46 AM
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#11 (permalink)
| | lotus-62 Rookie 
Join Date: May 2006 Location: lowlands
Posts: 31
Rep Power: 3  | Re: SVA handbrake Quote:
Originally Posted by brettmcc John,
I am going to try the Wilwood Handbrake caliper. Ofcourse it isn't roven on a 40 yet, but it is only mechanical.
Brett | brett, ad wilwood they told me that the calipers mechanical handbrake is up to +/_ 800kg cars.............. so unless you are making a 2/3rd model don't park on top a hill |
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09-20-07, 08:12 AM
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#12 (permalink)
| | JIMMYMAC Lifetime Premier Supporter 
Join Date: Jul 2003 Location: Scotland
Posts: 866
Rep Power: 15  | Re: SVA handbrake I can't remember where I found this but it might be worth following up : FOR SALE:Emergency (Hand) Brake calipers. Made from Billet Aluminum and anodized. Replacement Brake pads available form any race car supplier. Easy adjustment for different disk widths, Up to 30mm. 6 different angle adjustments for cable operation Solid mounting system. Simple adjustments for pad wear. Captured components so parts cannot be lost. Stainless steel components.Contact Robert at: rnyenkamp@optical.co.nz
If you think it's OK please post some decent pictures.
__________________ Cordially, James MKI monocoque. XE' 289 short blocks, C6FE heads, Webers, ZF Graviner Fire Suppression |
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09-20-07, 08:44 AM
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#13 (permalink)
| | brettmcc 10 tenths 
Join Date: Jan 2003 Location: Essex, UK GT40: RSGTD
Posts: 1,304
Rep Power: 20  | Re: SVA handbrake Quote:
Originally Posted by lotus-62 brett, ad wilwood they told me that the calipers mechanical handbrake is up to +/_ 800kg cars.............. so unless you are making a 2/3rd model don't park on top a hill | Interesting, would like to see how they measure their figures to say it is only good for 800Kg. Not that I can rubbish the data, I just would like to understand how they get there.
Anyway, if I can get it to holdfor SVA I won't worry. If I have to park on a hill, I'll just use it and 1st gear
Brett |
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09-20-07, 01:08 PM
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#14 (permalink)
| | John Lowe Bronze Supporter 
Join Date: Apr 2006 Location: Lindfield, UK GT40: RCR MK1
Posts: 226
Rep Power: 5  | Re: SVA handbrake James, have sent off for details.
Still waiting for details from HiSpec, will chase Friday.
Brett be carefull of under achieving hanbrakes, the one on my Cobra only gets through the MOT because the mechanic is a beefy lad with a strong right arm! Like you in reality I slap it in first and even on a v, steep hill there are no problems
Paul, will follow up on the ap solution.
Thanks for the info
John
Last edited by John Lowe; 09-20-07 at 01:18 PM.
Reason: ap caliper
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09-20-07, 01:29 PM
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#15 (permalink)
| | John Lowe Bronze Supporter 
Join Date: Apr 2006 Location: Lindfield, UK GT40: RCR MK1
Posts: 226
Rep Power: 5  | Re: SVA handbrake James
Just found this on Lamborghinireplica.com. Await further details - John  |
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09-20-07, 01:55 PM
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#16 (permalink)
| | brettmcc 10 tenths 
Join Date: Jan 2003 Location: Essex, UK GT40: RSGTD
Posts: 1,304
Rep Power: 20  | Re: SVA handbrake Quote:
Originally Posted by lotus-62 brett, ad wilwood they told me that the calipers mechanical handbrake is up to +/_ 800kg cars.............. so unless you are making a 2/3rd model don't park on top a hill | Rick,
Which model where they talking about when you asked. I know the US site, don't show the Powerlite version that I have, as it is soley licenced through Rally Design. Was it this one: Wilwood Engineering - GM*Metric Caliper ?
Brett
__________________ Roy Smart GTD Chassis with complete Southern GT Rear modification
Chris Melia Body
Mexican block
Audi 01X that just needs the gear change sorting |
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09-20-07, 02:12 PM
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#17 (permalink)
| | John Lowe Bronze Supporter 
Join Date: Apr 2006 Location: Lindfield, UK GT40: RCR MK1
Posts: 226
Rep Power: 5  | Re: SVA handbrake This caliper is "hydra/mechanical". Not sure if SVA would pass it (the HiSpec monster 4 seems to use the same technology) Of course they may not notice as the HiSpec has only recently gone onto a "verboten" list having been passed on earlier occasions.
John |
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09-20-07, 03:30 PM
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#18 (permalink)
| | JIMMYMAC Lifetime Premier Supporter 
Join Date: Jul 2003 Location: Scotland
Posts: 866
Rep Power: 15  | Re: SVA handbrake John,
Thanks for pursuing it.
The Kiwi version looks as though it will fit the bill for you.
__________________ Cordially, James MKI monocoque. XE' 289 short blocks, C6FE heads, Webers, ZF Graviner Fire Suppression |
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09-20-07, 03:55 PM
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#19 (permalink)
| | wealdenengineer 10 tenths 
Join Date: Oct 2001 Location: East Sussex, UK
Posts: 1,059
Rep Power: 17  | Re: SVA handbrake John, another picture option, Frank |
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09-20-07, 04:21 PM
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#20 (permalink)
| | Lee 5 Tenths 
Join Date: May 2002 Location: Silverstone, UK GT40: GT40 Australia
Posts: 524
Rep Power: 12  | Re: SVA handbrake Those ap spot calipers are OK, but | |