8.4 or 7.5

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patrick mackessy - 23 Nov 2003 17:27 GMT

i'm about to change my front drums to disc. i was wondering if there is any
difference in quality between the 8.4" or 7.5" discs? any help would be
appreciated.

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iBuyMinis.Us - 23 Nov 2003 17:40 GMT

Bigger disc theoretically means more powerful stops.

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Team EuroMeko
------------------------------
http://iBuyMinis.Us

> i'm about to change my front drums to disc. i was wondering if there is any
> difference in quality between the 8.4" or 7.5" discs? any help would be
> appreciated.

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tim_lis - 23 Nov 2003 20:29 GMT

what size rims are you using> 8.4 will not fit inside 10inch rims, you need
a minimum of 12inche. 8.4 should be slightly better than 7.5. Also 7.5 are
Cooper S discs and are like rare as hens teeth in good second hand
condition, you can buy brand new but they are expensive. 8.4 are ten a penny
(well not quite LOL) and there fore much cheaper and easier to source. If
you are currently on 10's the you'll need 7.5, but you may find the cost of
buying 7.5's is more than gettine 8.4 and up sizing to 12 inche rims??? Its
up to you really to do the maths and work out for your self what you need.
Both will stop better than drums.

Tim
NZ

> i'm about to change my front drums to disc. i was wondering if there is any
> difference in quality between the 8.4" or 7.5" discs? any help would be
> appreciated.

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Steve - 24 Nov 2003 17:17 GMT

> what size rims are you using> 8.4 will not fit inside 10inch rims, you need
> a minimum of 12inche. 8.4 should be slightly better than 7.5. Also 7.5 are
[quoted text clipped - 8 lines]
> Tim
> NZ

In either case, you need to be aware that the wheel mounting face moves out
by nearly 1". The 12" wheels are more inset to compensate so you will need
spacers or the spacer drums on the rear to use 12" wheels.

Unles you use Cooper S wheels on 7.5" discs, you will also require wheel
arch extensions to cover the wheels.

Signature

Rgds
Steve
steve@dsnclassics.co.uk
www.dsnclassics.co.uk

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K - 23 Nov 2003 21:13 GMT

> i'm about to change my front drums to disc. i was wondering if there is any
> difference in quality between the 8.4" or 7.5" discs? any help would be
> appreciated.

Hi,
If you want to retain the 10 inch wheels, then it's 7.5. If you are not
worried about handling then you could go for 8.4 and 12 inch wheels.
7.5 could cost you up to ?400 for a decent set, but 8.4s are available in
any scrappy for peanuts.

Keith

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The Muffin Man - 23 Nov 2003 23:22 GMT

This is the guy I bought a load of stuff from and who is forever in Mini
World...
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=2444219692&category=431
22

The Muffin Man

> > i'm about to change my front drums to disc. i was wondering if there is
> any
[quoted text clipped - 8 lines]
>
> Keith

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