MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

MG disks on a Ford 8.8
Posted by: nobogez07
Date: January 24, 2013 09:59AM

I'm curious if anyone has used their front MG disks on a Ford 8.8?

Is there issues with the mounting pattern?

I am getting close to sending my 8.8 out to get cut and will use Moser for the new axles. Is there anything I should know before I start moving forward?

Silly me!! I'm just trying to not have to do things twice or three times!!!


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5868 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: MG disks on a Ford 8.8
Posted by: BlownMGB-V8
Date: January 25, 2013 01:30PM

Doug, the rotors won't work because the bolt pattern is too small. They bolt to the back side of the front hub. The calipers are rather heavy, you can do better. They also have too much piston area. Also no provision for an e-brake.

Jim


nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Re: MG disks on a Ford 8.8
Posted by: nobogez07
Date: January 26, 2013 03:12PM

Thanks Jim!!

I was affraid that was the case when looking at it but rather than guess I figured someone must of had the same idea in the past! It was worth a try!!

Doug


rkas3882
randy kassed

(84 posts)

Registered:
05/30/2010 09:14AM

Main British Car:
1973 mgb gt rover 3.5

Re: MG disks on a Ford 8.8
Posted by: rkas3882
Date: January 29, 2013 11:35AM

Doug, you are shortening an 8.8 already I take it? Youll have to order custom axles anyway.....I had my 8.8 shortened and bought moser custom axles and I am using nissan 240sx rotors which have the same bolt pattern as the mgb.


MGB-SBC-Jimmy
Jimmy Geske

(35 posts)

Registered:
01/27/2011 08:02AM

Main British Car:


Re: MG disks on a Ford 8.8
Posted by: MGB-SBC-Jimmy
Date: January 29, 2013 11:51AM

I have an place near me that will narrow your Ford 9" axles and housing for a flat rate but the splines are ground. Some folks have told me that this method of splining isnt good for a ton of power, does anyone else know the truth about the durability of cut splines?


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5868 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: MG disks on a Ford 8.8
Posted by: BlownMGB-V8
Date: January 29, 2013 01:08PM

In an MGB? Since a 9" is massive overkill you should have no worries.

Jim


MGB-SBC-Jimmy
Jimmy Geske

(35 posts)

Registered:
01/27/2011 08:02AM

Main British Car:


Re: MG disks on a Ford 8.8
Posted by: MGB-SBC-Jimmy
Date: January 29, 2013 01:45PM

Thats what I thought too. I have a variety of stock 9"s laying around, some truck and some car and I thought this is probably the least expensive route for me to get the gear ratio I want. I could get on of the axles I have narrowed and buy a gear set for less than the 650 it costs to replace the gears in the stock axle, which is what I'd prefer but I just can see paying that much for just the gears.



BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5868 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: MG disks on a Ford 8.8
Posted by: BlownMGB-V8
Date: January 29, 2013 04:11PM

True. But check the fit, that 9" might be kinda tight.
I like the Dana-44 for size, weight, efficiency, cost and parts with the bigger engines, or the later 8-1/2" 10 bolt GM. But the 8" Ford is also a good choice, if a bit less efficient and not as strong. If you can find an old mail Jeep that axle is nearly perfect.

Jim


nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Re: MG disks on a Ford 8.8
Posted by: nobogez07
Date: February 01, 2013 01:10PM

I've got a 8.8 that needs rear brakes. I'm just trying to get an idea of what might work.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5868 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: MG disks on a Ford 8.8
Posted by: BlownMGB-V8
Date: February 01, 2013 04:55PM

One thing you might look at is the Speedway catalog. They have some reasonable prices on stuff like light weight rotors.

Jim


mgb260
Jim Nichols
Sequim,WA
(2019 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: MG disks on a Ford 8.8
Posted by: mgb260
Date: February 01, 2013 08:58PM

Here is the easy way. 7.5 and 8.8 have same bearing flange.

[www.fordrangerforum.com]


MGBV8
Carl Floyd
Kingsport, TN
(3829 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB, Buick 215

authors avatar
Re: MG disks on a Ford 8.8
Posted by: MGBV8
Date: February 02, 2013 08:24AM

Great how-to, nice find!


ex-tyke
Graham Creswick
Chatham, Ontario, Canada
(1095 posts)

Registered:
10/25/2007 11:17AM

Main British Car:
1976 MGB Ford 302

authors avatar
Re: MG disks on a Ford 8.8
Posted by: ex-tyke
Date: February 02, 2013 09:58AM

Quote:
Great how-to, nice find!

That is interesting info - wonder how one switches from rear drums to 12" vented discs without some expected change to the hydraulic circuit valving....especially in a light rear chassis like a Ranger.
Seems to work for this chap tho'


mgb260
Jim Nichols
Sequim,WA
(2019 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: MG disks on a Ford 8.8
Posted by: mgb260
Date: February 02, 2013 11:33AM

He did the large Cobra front discs also, I don't know if he changed the master.

[www.fordrangerforum.com]



Edited 1 time(s). Last edit at 02/02/2013 11:36AM by mgb260.


MGBV8
Carl Floyd
Kingsport, TN
(3829 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB, Buick 215

authors avatar
Re: MG disks on a Ford 8.8
Posted by: MGBV8
Date: February 02, 2013 02:47PM

Don't think anyone here really needs 12" rotors on the rear.



BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5868 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: MG disks on a Ford 8.8
Posted by: BlownMGB-V8
Date: February 02, 2013 02:53PM

Don't really think anyone here needs 12" rotors on the front either.

Jim


Moderator
Curtis Jacobson
Portland Oregon
(4414 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
Re: MG disks on a Ford 8.8
Posted by: Moderator
Date: February 02, 2013 03:55PM

As if the rear of that guy's Ranger needs 12" vented rotors! The conversion is pretty interesting nonetheless. It left me wondering about ABS. Seems like the Ranger would really benefit... That extra hole in the bracket is an ABS sensor mount, isn't it? I expected trigger-wheel bumps would be cast into the back side of the brake rotors, but apparently not.


mgb260
Jim Nichols
Sequim,WA
(2019 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: MG disks on a Ford 8.8
Posted by: mgb260
Date: February 02, 2013 06:49PM

Hey, It does make the 7.5/8.8 look cool though! You can use the standard Mustang bracket and 10 1/2" solid rotor,same principle.



Edited 1 time(s). Last edit at 02/02/2013 06:51PM by mgb260.


nobogez07
Doug Brown
Webster, South Dakota
(58 posts)

Registered:
12/11/2012 05:38PM

Main British Car:
1971 Mk II MGB coupe 1992 302 Ford H.O. EFI

Re: MG disks on a Ford 8.8
Posted by: nobogez07
Date: February 28, 2013 03:12PM

So the jist of it is to find a Nissan 240 X and get the rear disk brakes off of it?


mgb260
Jim Nichols
Sequim,WA
(2019 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: MG disks on a Ford 8.8
Posted by: mgb260
Date: March 01, 2013 11:00PM

Doug, Standard 95-04 Mustang V6 rotors and calipers are the easy way.
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