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Re: tubed type rearend switch from 68 to 73 , probs ?, MORE !

To: "Telewest \(PH\)" <paul.hunt1@blueyonder.co.uk>,
Subject: Re: tubed type rearend switch from 68 to 73 , probs ?, MORE !
From: "Dan Furbish" <BarnOwl@world.std.com>
Date: Sat, 8 Jun 2002 14:00:25 -0400
Thank you Paul for your complete answer !

(I didn't say originally-that though I have torn apart and rebuilt the 
rearends of many 55, 57 and 65 Chevy's,  at least 100 times while 
hot rodding in the 60'and 70's,
I have not opened up an MGB's rearend housing as of yet).

2 things that aren't 100% clear to me sorry,

1.  *If the Rostyles rub on the inside arch, what 's the cure ?

2.  AND, are the physical dimensions of a 1973 MBG Roadster/Salisbury 
axle housing the exact of a 1968 MGB GT Salisbury axle housing in width, 
wheel attachment location to wheel attachment location ??!

And of course I thought of something else, going by the Moss catalog 
MGB-0204, Issue 1 2002, effective 4/8/02 : page 115, it shows the 
"same axles" for both applications, 
but with item # 95, part # 267-720 and 267-730 hub 
extension L/R. wire wheel.  and item #  97, part # 125-690 hub.  disc wheel.

Having not handled these parts, I'm at the mercy of those that have. 
Why is there a width difference if the vehicle frames are the same ?   oh......
*There does seem to be a minimal distance difference in the pictured item # 95/ 
hub 
extension of the wire wheel, different than the thickness of the drum on the 
disc 
wheel hub, say 1/4".  If that's the difference, can a plate be drilled to the 
bolt 
pattern of the disc wheel and be fitted to the disc wheel hub to take up that 
difference ?
1. is that practical ?
2. is there enough thread extension of the disc wheel stud to do that 
effectively ? 

Dan 
68 MGB GT 
in Massachusetts
-----------------------------------------------

Paul wrote:
Not so much year to year but between wires and Rostyles.  GTs had the
Salisbury/tube axle from inception in 1965, roadsters started changing over
after that but had all changed by July 1967.  However there is also a width
difference between Banjo and Salisbury/tube axles - about 2" from brake drum
face to brake drum face I have been told.  However this is a larger
difference than between Banjo and Salisbury which seems odd.  

""Rostyles on a wire axle can rub the inside arch.  As far as Minilites go, or 
any
aftermarket wheel, it all depends on the offset of the wheel and the width
of wheel and tyre.""

> also, 1 thing I haven't even looked at yet, are the spring perches in the
same location as
> the 68's  ?

Yes.

> Then for the front wheels all I have to change is the front hubs right?

Yes.

> Are you saying mini lites will rub there too?

As for the rear.  But there is probably less chance of rubbing in the front
than the rear as long as the rack has an equal amount of lock both sides.

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