darrenga
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| posted on 4/5/06 at 04:25 PM |
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disc or drums
going ordering my indy on saturday last thing i need to decide is wether to use disc or drums on the rear.
i have a sierra 4x4 rear end but the calipers were missing anyway,can drums be fitted on to the 4x4?
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nitram38
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| posted on 4/5/06 at 04:33 PM |
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I don't know about 4 X 4 brakes but I would always go for discs.
This is not just for an easier life for maintenance, but discs suffer less brake fade than drums.
You can always balance the braking with the correct master cylinder, brake bias or brake bias valve.
It is better to overbrake than underbrake your car.
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Hellfire
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| posted on 4/5/06 at 04:36 PM |
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Disc's look better and are more modifiable (good english?) therefore could be much lighter.
Front Sierra Calipers and Disc's 11Kg
Modified Hi-Spec 4Kg
Saving 7Kg's per side! 
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muzchap
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| posted on 4/5/06 at 04:40 PM |
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Hi mate - try and get some old calipers and get them exchanged
Give these guys a call:
Eastfield Discount Auto Spares:
01733 347555 - ask for Avtar or Gavin, say 'Murray' told ya to ring. They should be able to do some GOOD prices for ya 
Gav's also building an MK Indy - so he's a good lad to chat too
Discs rule - much nicer !
Cheers,
Murray
------------------------------------
If you believe you're not crazy, whilst everybody is telling you, you are - then they are definitely wrong!
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v8kid
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| posted on 4/5/06 at 04:45 PM |
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Another point in favour of discs is they need less pedal travel.
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andyharding
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| posted on 4/5/06 at 04:47 PM |
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I have 9" drums on my car from a Sierra estate.
I have never had brake fade and it's not for lack of trying
When I throw down the anchors all four wheel lock at exactly the same time.
I had to use drums due to my DeDion design but if I had the choice I would go with drums again.
Pro points for drums:-
- Better handbrake
- No bias valve needed
- Works fine with standard Sierra MC
- Cheaper spares
- You can adjust your rear track/camber by using washers under the hub carriers without messing up disc alignment.
Pro points for discs:-
- Look better
- Less prone to fade (but doesn't happen anyway with such a light car)
Are you a Mac user or a retard?
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MikeR
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| posted on 4/5/06 at 05:04 PM |
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interesting, i'm asking pretty much the same question 
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nitram38
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| posted on 4/5/06 at 05:22 PM |
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If you think drums are good, why not fit them on the front aswell!
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JAG
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| posted on 4/5/06 at 07:31 PM |
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quote:
Another point in favour of discs is they need less pedal travel
Not true I'm afraid.
Caliper piston is 43mm diameter and it moves approx' 1mm during a brake application = 1452mm^3
Drumbrake wheel cyl' is 19.05mm diameter and it moves approx' 3mm during a brake application = 855mm^3
So using the same bore m/cyl' on both situations the drumbrake will give LESS pedal travel.
A good drum brake set-up is just as good as a disk on the rear axle of our cars.
These cars are so light and the original brake system was designed for cars so much heavier than ours that even with the lower C of G you'll
find that your brakes don't get hot enough for disks to give any advantage.
Justin
Who is this super hero? Sarge? ...No.
Rosemary, the telephone operator? ...No.
Penry, the mild-mannered janitor? ...Could be!
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coxylaad
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| posted on 4/5/06 at 07:56 PM |
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sorry this has nothing to do with the topic, but Nitram?! what are you doing here?!!!
and are you still making those leds
I am assuming its the same Martin who used to ride a tdm but has since dissapeared into motorcycling obscurity
Nice to see you again buddy!
Ian
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tom_loughlin
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| posted on 4/5/06 at 09:14 PM |
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I reckon discs look loads better, but mine presented me with loads of handbrake problems when it came to sva time - well, the same problem twice!
handbrake was not sensetive enough - in the end i sorted it, but it basically needs to be able to lock the wheels when driving slowly.
Tom
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nitram38
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| posted on 4/5/06 at 09:38 PM |
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quote:
Originally posted by coxylaad
sorry this has nothing to do with the topic, but Nitram?! what are you doing here?!!!
and are you still making those leds
I am assuming its the same Martin who used to ride a tdm but has since dissapeared into motorcycling obscurity
Nice to see you again buddy!
Sorry, wrong nitram!
Never ridden a motorcycle in my life
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zxrlocost
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| posted on 4/5/06 at 11:31 PM |
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discs 100%
drums look shite
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PLEASE NOTE: This user is a trader who has not signed up for the LocostBuilders registration scheme. If this post is advertising a commercial product or service, please report it by clicking here.
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MikeR
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| posted on 4/5/06 at 11:48 PM |
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I don't think drums look that bad - but i was expecting to have them due to having a live axle.
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MikeR
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| posted on 4/5/06 at 11:50 PM |
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and if it comes to it, i'll sandwich a 1mm steel ring between the drum and the wheel to look like a disk!
:p
Then when Chav's ask i'll say its a titanium carbon alloy, incredibly thin due to its exceptional heat disapation capacity & because
of its incredible high strength i only need a pad on one side thereby saving even more weight!!!!!!!
yeah man, it'd be the dogs in chav!
(hope that makes sense, i'm a bit old to speak chav)
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locost_bryan
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| posted on 5/5/06 at 04:11 AM |
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Horses for courses.
Many 4-wheel disc cars will fade quickly because they're underbraked for the weight (Holden Commodores for example) - deliberate action by the
manufacturers to get better response at town speeds.
One of the top F3 teams runs smaller brakes so they perform better on the crucial first lap
The only time I've had sweaty palms brake fade was on a 4-wheel disc Primera. 
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locost_bryan
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| posted on 5/5/06 at 04:11 AM |
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Horses for courses.
Many 4-wheel disc cars will fade quickly because they're underbraked for the weight (Holden Commodores for example) - deliberate action by the
manufacturers to get better response at town speeds.
One of the top F3 teams runs smaller brakes so they perform better on the crucial first lap
The only time I've had sweaty palms brake fade was on a 4-wheel disc Primera.
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MikeR
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| posted on 5/5/06 at 07:37 AM |
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I've had fade a number of times when (to coin NS Dev's phrase) pushing on.
Which for me mean sticking to the legal limit but with a lot of breaking.
Worst was when going down a big hill near my parents. Only realise i was getting fade when i needed to stop at the bottom............
at a T junction............
Managed it with LOTS of pressure and "oh [beeep]"
It was late at night and a nice brake dust cloud then drifted into the headlights .......
moved round the junction and pulled over for 5 minutes.
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NS Dev
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| posted on 5/5/06 at 10:11 AM |
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quote:
Originally posted by MikeR
and if it comes to it, i'll sandwich a 1mm steel ring between the drum and the wheel to look like a disk!
:p
Then when Chav's ask i'll say its a titanium carbon alloy, incredibly thin due to its exceptional heat disapation capacity & because
of its incredible high strength i only need a pad on one side thereby saving even more weight!!!!!!!
yeah man, it'd be the dogs in chav!
(hope that makes sense, i'm a bit old to speak chav)
LOL!!!
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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britishtrident
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| posted on 5/5/06 at 10:13 AM |
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Never ever needed to use the brakes going down very steep hills, even the much cursed Halley Brae which most West of Scotland groupies will know.
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coxylaad
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| posted on 6/5/06 at 10:19 AM |
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quote:
Originally posted by nitram38
quote:
Originally posted by coxylaad
sorry this has nothing to do with the topic, but Nitram?! what are you doing here?!!!
and are you still making those leds
I am assuming its the same Martin who used to ride a tdm but has since dissapeared into motorcycling obscurity
Nice to see you again buddy!
Sorry, wrong nitram!
Never ridden a motorcycle in my life
Balls! It would seem everyone called Martin like to spell their name backwards as a username, and I only just realised that lol
Sorry dude - great car BTW
Ian
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MikeR
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| posted on 6/5/06 at 01:37 PM |
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quote:
Originally posted by britishtrident
Never ever needed to use the brakes going down very steep hills, even the much cursed Halley Brae which most West of Scotland groupies will know.
Well the hill from red rock (haigh / bolton side) into standish is a bit steep, twisty and stops dead at the bottom, unless i'm in second
rev'ing the nads off the car it rolls too fast for a tin top and you need to use the brakes. Have them hot before you start and ......
you'll have fun.
(this was a tin top with non vented disks)
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locost_bryan
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| posted on 9/5/06 at 02:24 AM |
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more bling with discs - especially if cross-drilled and slotted with red Brembo calipers 
Bryan Miller
Auckland NZ
Bruce McLaren - "Where's my F1 car?"
John Cooper - "In that rack of tubes, son"
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