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| Is the 8.4 brake set up drastically better than the 7.5?~?~ https://www.ausmini.com/forums/viewtopic.php?f=2&t=72880 |
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| Author: | Blunder [ Wed Sep 07, 2011 12:43 am ] |
| Post subject: | Is the 8.4 brake set up drastically better than the 7.5?~?~ |
ok, i'm shopping at the moment for parts for my new car and REALLY tempted to go down from the Rover 8.4 brake set up to the 7.5 brake set up, allowing me the option of 10 inch wheels should i ever want to go that way. Now i have not had the pleasure of being able to test these systems side by side or had the pleasure of using the 7.5 brake set up at all, so the question is... Would i really notice the difference down sizing my brakes? Is there any major reasons not too?!? I just want the option to be there and whilst im in the process of carrying out a few new car to me jobs thought i might chuck a 7.5 kit in it!! |
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| Author: | 1098 [ Wed Sep 07, 2011 1:09 am ] |
| Post subject: | |
With my thorough use of each disc brake size (disregarding the crappy 7" Cooper setup!) I think they are very comparable. Sure, the 0.9" bigger diameter is always going to be advantageous, but unless you're a brake dragger, you won't notice the difference. Whack the 7.5s on, pair them up with some hot 10" wheels, and you're onto a winner 
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| Author: | MORRIS COOPER S 501 [ Wed Sep 07, 2011 1:52 am ] |
| Post subject: | |
Go to 7.5 brake setup for sure, so you can run some 10" wheels
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| Author: | Babes [ Wed Sep 07, 2011 8:56 am ] |
| Post subject: | |
I found 7.9 4pot minisport set pulled up quicker than 8.4 metro turbo, or seemed to. Having said that the 7.5 on the cooper s pull up better than both of them. |
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| Author: | awdmoke [ Wed Sep 07, 2011 9:17 am ] |
| Post subject: | |
Both the 7.5 and the 8.4" will stop the car just as quickly, for the first few applications. The 8.4" brakes have the disadvantages of being heavier and limiting your wheel choice to 12" or bigger. Their advantage is that they can shed heat better and are then less prone to fade. I have only once managed to get brake fade on my 8.4" brakes once, and that was on a 40C practice day at the end of a 185kph straight. For a road car they are probably overkill. <edit> |
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| Author: | Super-mini [ Wed Sep 07, 2011 10:50 am ] |
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7.5's also work well. i dont think its worth the cost of conversion, but it does depend on how much you want the 10" look. |
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| Author: | Molina [ Wed Sep 07, 2011 12:03 pm ] |
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I have 8.4" discs and am wishing i had smaller ones so i could fit 10" wheels if i chose to. I won't be changing them, but if i had the choice i'd go for 7.5" simply for the wheel choice reason. |
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