Steering, Suspension, & Brakes

tips, technology, tools and techniques related to non-driveline mechanical components

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Richard/SIA
Richard Brengman
No. Nevada
(399 posts)

Registered:
01/17/2014 07:47PM

Main British Car:
1969 Triumph GT6+ 225" Buick V6

Merkur/Sierra IRS pic and details.
Posted by: Richard/SIA
Date: July 15, 2014 12:06AM

Finally found a Merkur IRS pic.

As expected it is very similar to the T-Bird IRS but a bit smaller and lighter.
58" stock track so it would still have to be narrowed for most of our cars.
Same sort of mods used for the T-Bird should work for it.

Very popular in England, companies there sell bolt in conversions for MG's.

Apparently good for about 300+ HP in light cars.
159345390_merkur-ford-scorpio-xr4ti-hubs-differential-rear-end.jpg


rficalora
Rob Ficalora
Willis, TX
(2764 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Re: Merkur/Sierra IRS pic and details.
Posted by: rficalora
Date: July 15, 2014 04:48PM

Is that what the Hoyle kit uses?


mgb260
Jim Nichols
Sequim,WA
(2463 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: Merkur/Sierra IRS pic and details.
Posted by: mgb260
Date: July 15, 2014 09:07PM

Yep, Larry Shimp upgraded his with Dutchman's axles.

[www.britishv8.org]



Edited 1 time(s). Last edit at 07/15/2014 09:07PM by mgb260.
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Richard/SIA
Richard Brengman
No. Nevada
(399 posts)

Registered:
01/17/2014 07:47PM

Main British Car:
1969 Triumph GT6+ 225" Buick V6

Re: Merkur/Sierra IRS pic and details.
Posted by: Richard/SIA
Date: July 16, 2014 03:33AM

I am disappointed that the only units I can find reasonably close have drum brakes.
Looks like the U.S. version was cheapened.
But that can be upgraded later, first I want to get a rear into my car.


Richard/SIA
Richard Brengman
No. Nevada
(399 posts)

Registered:
01/17/2014 07:47PM

Main British Car:
1969 Triumph GT6+ 225" Buick V6

Re: Merkur/Sierra IRS pic and details.
Posted by: Richard/SIA
Date: July 25, 2014 04:10AM

I found a guy in England who was making a kit to fit Merkur rear's into GT6's!
He did a few then suddenly stopped posting about it.
Seems he wrecked his personal GT6 during a night rally on the continent.

I've emailed him to see if I can work out a way to get a set of his drawing$ or possibly one of his built unit$,


302GT
Larry Shimp

(241 posts)

Registered:
11/17/2007 01:13PM

Main British Car:
1968 MGB GT Ford 302 crate engine

authors avatar
Re: Merkur/Sierra IRS pic and details.
Posted by: 302GT
Date: July 29, 2014 02:42PM

The Hoyle kit only uses the Merkur/Sierra differential, CV joints, brakes and hubs. The rest is made by Hoyle. It has upper and lower A arms with coil overs, and everything is fitted to a custom tubular frame that bolts to the original MGB lever shock mountings, bump strap mounting, and front spring eye mounting. Also, be aware that there are small and medium size differentials. The small ones only work for 4 cylinder cars and will not hold up to a healthy V8. The larger units are used with V6 and turbo cars. Probably not a problem if the differential comes from a US market car but if ordered from overseas this becomes important.


Richard/SIA
Richard Brengman
No. Nevada
(399 posts)

Registered:
01/17/2014 07:47PM

Main British Car:
1969 Triumph GT6+ 225" Buick V6

Re: Merkur/Sierra IRS pic and details.
Posted by: Richard/SIA
Date: July 30, 2014 01:22AM

I'm disappointed the fellow who was doing GT6 conversions has not replied.

Found some Merkur units, ex 2.3 Turbo, but have not been able to buy one yet.



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