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| Author | Subject: Wilwood brakes |
 Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #51
phillipm wrote: Pretty sure the 307 285mm discs have more offset though, certainly mine have quite a lot more than a gti6 disc. They do, but they are way more expensive and bloody heavy ________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
 Posted 21st Aug 2008 at 04:46
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #52
Well, I can solve the latter, but not the first  ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 21st Aug 2008 at 04:47
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psjunkie
Seasoned Pro  Location: Halifax Registered: 31 Aug 2007 Posts: 1,565 Status: Offline |
Post #53
phillipm wrote: Pretty sure the 307 285mm discs have more offset though, certainly mine have quite a lot more than a gti6 disc. does this mean you could in theory run these with no spacers? would the bracket have to be different then ? edit! even with 7mm spacers you wont be able to tell. i would stick to that ________________________________________ 1997 P1 Gti 6 Charged |
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Posted 21st Aug 2008 at 04:49
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Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #54
psjunkie wrote: phillipm wrote: Pretty sure the 307 285mm discs have more offset though, certainly mine have quite a lot more than a gti6 disc. does this mean you could in theory run these with no spacers? would the bracket have to be different then ? Not quite, i can't find the sizes. I do have them somewhere. The other factor is that the 206 discs are thicker too. They won't fit into a wilwood caliper. And the offset is only about 4mm so not enough anyway. You would still have to run a spacer albeit a smaller one ________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
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Posted 21st Aug 2008 at 04:49
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #55
Yes, bracket would need altering, and I think you still need a shim.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 21st Aug 2008 at 04:50
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psjunkie
Seasoned Pro Location: Halifax Registered: 31 Aug 2007 Posts: 1,565 Status: Offline |
Post #56
im sure welly will come up with the best comprimise im excited about this wilwood adventure haha will the spacers be an optional extra in the pack welly? ________________________________________ 1997 P1 Gti 6 Charged |
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Posted 21st Aug 2008 at 04:51
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damien
Seasoned Pro  Location: kent Registered: 27 May 2005 Posts: 5,853 Status: Offline |
Post #57
Welly wrote:  snap   |
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Posted 21st Aug 2008 at 13:31
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rallyestyle
Seasoned Pro  Location: London Registered: 23 Jul 2003 Posts: 14,990 Status: Offline |
Post #58
Good work Welly  So am i right in thinking they will need spacers to fit under cyclones?  ________________________________________ Just Drive It |
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Posted 21st Aug 2008 at 14:18
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SteviePut
Seasoned Pro  Location: Down south Registered: 20 Oct 2005 Posts: 13,637 Status: Offline |
Post #59
I'm really interested in this Welly but I have few questions for you or Phil 1: Will running spacers on the front only have any detrimental effect to the handling of the car? I know it's only going to be ~10mm but even so. Or should you run the same spacers all round? 2: Will said spacers have a detrimental effect on the longevity of the wheel bearings? As they will be under more load ________________________________________ My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it? |
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Posted 21st Aug 2008 at 14:37
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Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #60
I'll let Phil answer those fully, but i run 25mm hubcentrics already.Not quite as cut and dry as that ias you'll need longer bolts too ________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
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Posted 21st Aug 2008 at 16:25
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #61
The effect of 10mm spacers on wheel bearing life will be negligable, there will be some effect, but nothing worth worrying about.Handling-wise, well it'll make the rear spring rate ever so slightly harder in roll, the extra track width will reduce roll, but you'll notice a touch less high-speed stability and brake imbalances will be more noticable (not that you should have any really but...), but the car will feel more responsive on initial turn in instead, and a bit more neutral under power on the way out. Steering will be a touch heavier as the tyre doesn't roll so much but rather twists on the contact patch. A touch more torque steer(not that's there's much anyway) over bumpy tarmac, compensated by the steering being a bit more benign over those same bumps. Worth noting that the effects will be very subtle though. I've actually been running at ET9 myself for 4 years as I've a touch more camber on the front, so it sorts itself out, no trouble. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 22nd Aug 2008 at 16:33
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SteviePut
Seasoned Pro Location: Down south Registered: 20 Oct 2005 Posts: 13,637 Status: Offline |
Post #62
Would it be ok to just run the spacers on the front? What effect would that have? I'd imagine make the rear a little skittish??________________________________________ My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it? |
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Posted 21st Aug 2008 at 17:18
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #63
It wouldn't make a huge amount of difference really, spacers on the rear have the effect of reducing the rear roll, but spacers on the front have the effect of softening the front suspension slightly, but with the caveat that the extra track width counteracts any extra roll effect.If anything spacers on the rear would make the back a touch harder, whereas on the fronts would leave the overall balance much the same. To be honest, there'll be bugger all in it, mines still on a negative scrub radius. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 21st Aug 2008 at 17:27
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SteviePut
Seasoned Pro Location: Down south Registered: 20 Oct 2005 Posts: 13,637 Status: Offline |
Post #64
Cheers Phil________________________________________ My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it? |
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Posted 21st Aug 2008 at 17:32
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richie_h
Seasoned Pro  Location: Walton-on-Thames, Surrey Registered: 05 Jul 2006 Posts: 2,594 Status: Offline |
Post #65
I could be very interested in these, is the disc offset the same on the late xsi as the 6?Keep us posted on when they are going to be available  |
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Posted 21st Aug 2008 at 18:15
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Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #66
It's a std off the shelve gti 6 disc. It's just a caliper upgrade________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
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Posted 21st Aug 2008 at 19:44
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Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #67
Welly wrote: To work braking force out, you need to measure 1 side of a caliper. To work out the square inch of overall piston size: 57mm = 2.24" Radius = 1.12" Piston area = Pi*R² or 3.14*1.12² = 3.93²" 35.1 = 1.38" Radius = 0.69" Piston area = Pi*R² or 3.14*0.69² = 1.49²" 2 pistons so 1.49 x 2 = 2.98²" As i said you only work out one side of the caliper Read hereWelly wrote: suffolkpaul wrote: standard is 2 x 57.1mm pistons wilwood is 4 x 35.1mm pistons an extra 22%ish think Ok this is how it brakes down. You need to work out the square inch of the calipers piston area. (one side of the caliper only) Std Gti6 is 3.93 square inch. Powerlites is 3.54 square inch Midilites is 4.8 square inch Brembo is 4.93 square inch By moving over to the powerlites your reducing your piston area by 10% over std calipers By moving up to Brembo's your going up 25% By moving up to Midilites your going up 22% ________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
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Posted 23rd Aug 2008 at 03:10
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psjunkie
Seasoned Pro Location: Halifax Registered: 31 Aug 2007 Posts: 1,565 Status: Offline |
Post #68
how are the brakes holding up welly?________________________________________ 1997 P1 Gti 6 Charged |
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Posted 23rd Aug 2008 at 17:50
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stilly
Seasoned Pro  Location: kent Registered: 13 Mar 2004 Posts: 3,487 Status: Offline |
Post #69
hi welly... these brackets, have you heli-coiled where the bolt goes through to hold the caliper to the bracket... or you using a nut and bolt system...???????________________________________________ deaf in 1 eye blind in 1 ear ......307 136bhp daily drive..... 306 rallye stripped out and charged..... lee_gti6 also known as "the tit"..... stan_306gti6 also known as "stan the dick"....... |
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Posted 23rd Aug 2008 at 19:54
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psjunkie
Seasoned Pro Location: Halifax Registered: 31 Aug 2007 Posts: 1,565 Status: Offline |
Post #70
pretty sure he's heli-coiled them pal.________________________________________ 1997 P1 Gti 6 Charged |
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Posted 23rd Aug 2008 at 22:15
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Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #71
Currently haven't done anything to themThey are still sat on my desk. ________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
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Posted 23rd Aug 2008 at 22:34
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psjunkie
Seasoned Pro Location: Halifax Registered: 31 Aug 2007 Posts: 1,565 Status: Offline |
Post #72
________________________________________ 1997 P1 Gti 6 Charged |
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Posted 24th Aug 2008 at 00:07
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Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #73
Well they are on.Only gunna give a brief run down now and a full one later. Hoses made, bolted them on and away we went. Simple. Still need another bleed yet to make them 100% and pads all but bedded but slowly getting there. Feel just like the brembos ________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
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Posted 31st Aug 2008 at 00:53
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Welly
Forum Admin Location: Brizzle Registered: 11 Jan 2004 Posts: 21,796 Status: Offline |
Post #74
The hose ends i am using are goodridge 600 series. Easy enough to make up and cheap enough The Car end  After the original hose comes  Empty hub  My lovely assistant.  New hoses on  Disc, caliper with hose attached  Fitted and road tested   Check out the heat gone into them buggers     ________________________________________ Life is a lie. The only certainty of which is death. Go live and enjoy yourself. The clock is tickingVrs power!! |
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Posted 31st Aug 2008 at 02:34
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Rich E
Forum Admin Location: Hertfordshire Registered: 27 Apr 2005 Posts: 7,757 Status: Offline |
Post #75
What sort of price are you looking at for calipers and brackets?________________________________________ Rich |
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Posted 31st Aug 2008 at 02:53
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