Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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Hi,
Ive got these:
Are they easy enough to fit? Which ones are the rears and which are the fronts?
The main reason for posting is:
I've V6 brakes and calipers whcih are about to go on. I've been told that they really need dot 5 brake fluid to be effective, and that my car as it stands will be running on dot 4.
How do I transfer to dot 5? will it be ok to do this?
What is the dot 5 mixes with the dot 4?
Will the dot 5 eat-away my seals and ruin the braking?
How did you do yours?
Please advise. NO GUESSING PLEASE.
Thanks guys,
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Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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Looking at this thread:
http://www.migweb.co.uk/forums/showthread.php?s=&threadid=104092
It seems that dot 5.1 is the bes tto go for - is this correct for fitting V6 brakes onto a corsa?
do halfords sell it? How much ££ does it cost?
Thanks
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vibrio
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Registered: 28th Feb 01
Location: POAH
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Dot 5.1 is not required
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Jamie @ SAS
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Registered: 15th Nov 02
Location: Manchester
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Hi Mav
I'm running the exact same as you're gonna be putting on mate.
Use Dot 4, 5.1 is a waste of time. Watch the bleed nipples on the drums when you're fitting the hoses as they snap off quite often. I'm reasonably sure the short ones are the rears.
The kit is gonna make the brakes feel very spongy for a few weeks, even after the discs & pads had bedded in well. It is possible to lock then up especially in the wet. There's a lot of pedal travel because your standard Master Cylinder & Servo are a lot smaller than that off a Vectra V6. I first thought of transplanting one from an Astra but after a couple of months I drove a Corsa with standard brakes and I was horrified by it. I'm not gonna bother with the Master Cylinder until my 2.0l goes in.
And whatever you do don't go for Pagid pads, they piss dust all over your alloys.
Jamie
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Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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Thanks Vibrio.
Thanks Jamie - so I'll go for Dot 4. Is this simply put into the brake fluid revevoir now - am I using dot 4 currently?
I hope the brake travel isn't too bad or spongy - did you mean that after a few weeks it does firm up a little?
I was told that bedding in takes as much as 500 miles! Is this accurate?
Would you say that the V6 brake setup is considerably better than the standard ones then even with spongyness?
Thanks for the replies guys. More welcome 
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TOMAS
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Registered: 7th Aug 02
Location: Nottinghamshire
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Mav ive just refurbished my 16V calipers and got me some Goodridge hoses too, but not yet fitted them. I think Dot 4 is plenty good enough and didt go for the V6 because of the side-effects mentioned above.
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Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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So when you fit the new calipers, do you have to totally bleed the system and use new dot 4 brake fluid?
Thanks,
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SetH
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Registered: 15th Jul 01
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yes
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TOMAS
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Registered: 7th Aug 02
Location: Nottinghamshire
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Anyone think I should go for the PVD (HiSpec) brake upgrade - 300mm bells and rotars with 16V 2L calipers? - £400 though for bells rotars and new caliper mounting brackets OUCHY... imagine all that squeeezed under 16's mmm...
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Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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Don't vented and grooved disks eat up the brake pads faster? brake dust?
Anyway do you need NEW brake fluid or do you just pour the existing stuff that you take out the four bleed nipples back into the revevoir?
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Hi spec stuff is shite.
Get a decent brake line spanner for when you change the lines, you dont want to round off the connections.
The shorter of the lines are the rear ones, if you look there is only one way around they will fit, due to the banjo bolt on the front calipers.
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vibrio
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Registered: 28th Feb 01
Location: POAH
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the high spec stuff on AK's corsa was rather good. grooved discs do eat at pads but vented does not. vented cools better
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Paul H
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Registered: 11th Aug 03
Location: Lincoln.
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quote:
Originally posted by Mav 3000
Anyway do you need NEW brake fluid or do you just pour the existing stuff that you take out the four bleed nipples back into the revevoir?
no don't pour the old stuff back in as it becomes contaminated(spelling)you should always use fresh brake fluid when bleeding brakes
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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High spec as a company are awful from what I've heard on mig. Customer service is no existant. I think I remember someone warping some disks with normal fairly light use and hi spec said their brakes are not designed to improve braking, but are for improved looks!
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vibrio
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so you've not actual had any dealings with them then.
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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No, just read horror stories. Do a search on mig for hi spec and Im sure you can dig some out.
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vibrio
Banned
Registered: 28th Feb 01
Location: POAH
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nice to see your own opinion is formed on your actual experiance then 
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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If someone has said bad things about a company and their products, Im not going to promote them or buy them, I feel it is my duty of companies offering good products, to spread the word!!!
Why anyone would buy hi spec stuff when you can buy wilwood for less is past me!
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vibrio
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do willwood have dust seals?
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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feck knows.
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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The Rally Design site has loads of info pages on wilwood products.
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vibrio
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no they don't
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Seems like the calipers are high quality and highly rated, and that the disks are the problem.
HERE
HERE
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luca2020
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Registered: 26th May 02
Location: Maidstone, Kent
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ive got:
V6 brakes an disks(grooved and semi-drilled)
OE Pads
Goodridge Braided hose lines
DOT5.1 brake fluid
cant complain, i think there pretty shit hot once uve had them after a few months
[Edited on 27-10-2003 by luca2020]
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Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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Is it worth upgrading from dot 4 to dot 5.1? Isnt that just for high speeds?
If you go up to 5.1 do you simply go to Halfords and buy a bottle of it and pour it in to the resevoir once the old stuffs been bled out?
thanks for all the comments people. glad its made everyone discuss the topic
Do I need to buy al new seals, washers and bolts or is it ok to re-use the exsting ones? do Halfords sell threadlock stuff?
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