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  Author    Marcos 7184  (currently 2,305 views)
Herve_barriere
Posted on: June 8th, 2014, 14:17:10 Quote Report to Moderator
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Location: France
Posts: 47
Hi

I just bought a mini marcos MkIII from 1968, number 7184
The mini based is a BMC Saloon from 1972 (thanks Richard for information).

I hope learn more informations on Mini Marcos, my target is to do some modification regarding suspensions, brakes... to drive it in regularity rallye.

I will restore the body too. Delete the rear fin to have the genuine body shape...
Color not choose for moment, I am looking for mini color on 1968.

See you on forum or french roads.

Herve

Last modified November 27th, 2017, 23:49:25 by admin
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Brian
Posted on: June 8th, 2014, 16:33:51 Quote Report to Moderator
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Location: San Mateo, CA, USA
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Welcome, and congrats on the new purchase!

You mentioned that you were trying to learn more about the car; did you have specific questions?

And, pictures, please?
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Herve_barriere
Posted on: June 8th, 2014, 19:07:31 Quote Report to Moderator
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Location: France
Posts: 47
Thanks,

for the moment, I have no specific questions, I read diffirent forum, more mini at this time to see all what is done on suspension....
After, I will see whith what I will start. One of my disapointed is the engine, it is a 12A2B so not from 1968. No important for that time, perhaps I change it in the future.

My idea is to put disk brake, tie bar rod adjustable, HI LO kit, new cones.... to have a better feeling on road. After, make a new interior. I will keep the seats but change carpet, dashboard & steering wheel.

for more pictures of the car, find below a link.

https://picasaweb.google.com/h.....&feat=directlink
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Denis
Posted on: June 9th, 2014, 11:02:54 Quote Report to Moderator
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Bonjour Herve,

Bievenu au forum.
Tu et d'ou en France?

Denis
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Herve_barriere
Posted on: June 9th, 2014, 11:47:49 Quote Report to Moderator
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Location: France
Posts: 47
Hi Denis

Je suis sur les yvelines, presque en Eure et loire.

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Denis
Posted on: June 10th, 2014, 14:13:24 Quote Report to Moderator
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Pas loin de ce moi.  

Juste a cote de Lille 59.

Quand tu passe par ici tu me rend visité.
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Nigel_Holmes
Posted on: June 14th, 2014, 17:07:27 Quote Report to Moderator
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Posts: 78
Herve, welcome to the MM forum.

You mention suspension mods, some suggestions :
- use 1.5 negative camber front lower arms (minispares, non adjustable)
- would not bother with adjustable tie-rods in first instance
- careful with uprated tie-rod rubbers, too hard will cause other problems
- my preferred disc set-up would be 7.5 inch, allows you to use 10 inch wheels
- if you can get old style hi-los use these on front only
- for rear suspension watch out, this uses van/estate trumpets and shocks
- keep rear brake cylinders 5/8 bore or less to avoid wheels locking
- put rear wheels dead vertical, with small amount of toe-in

On my mk3 this gives good road holding, but still tends to be tail-happy in wet
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Herve_barriere
Posted on: June 14th, 2014, 21:21:49 Quote Report to Moderator
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Location: France
Posts: 47
thanks for advises.
For brake system, yes, I will put 7,5 because I wanto to keep my 10 inch wheel.
A little beat expense but I think that will completly change the brake filling.
For the suspensions mod, I am looking for the good compromise between road use & rallye use (but regularity rallye - don't know if regularity is the good word). I don't want drive on track.
At first, I have to build new garage, mine is full with my Alpine & old russian sidecar.
Restoration will start end of the year I think.
Just time to catch information & save money  
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Steve_Schmidt
Posted on: June 15th, 2014, 00:53:38 Quote Report to Moderator
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Location: Gippsland, Victoria, Australia
Posts: 167
Thank you for posting the link to your album of photographs, to see all the detail shots of the way your Marcos was built helps me, and I'm sure many others, to work out how their cars are meant to go together.
Are you intending to convert it to left-hand-drive? I guess it would be a fairly simple conversion, and would be worthwhile seeing as you live in France.

Steve (MM 7056) Downunder
http://www.mm7056.wordpress.com

Last modified June 15th, 2014, 00:55:10 by Steve_Schmidt
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Herve_barriere
Posted on: June 15th, 2014, 05:18:07 Quote Report to Moderator
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Location: France
Posts: 47
Hi Steve

It is just the beginning, i Will take more pictures during the disassembly ( help other people but particulary me to remerber how it was assembly first   )
Concerning the RHD, defenitely not. I keep it. Marcos is English car, RHD is in the package. No problem in France, just a habit to take. Besides, my Marcos does not be my daily car so it is not important.
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Nigel_Holmes
Posted on: June 16th, 2014, 19:27:36 Quote Report to Moderator
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Herve,

If you have time before taking the MM apart would be worth checking all of the suspension camber angles front and rear. This will tell you how much you may need to alter the camber. The rear in particular can go positive if the car has been spun into a kerb, this can bend the rear radius arm.

Just about all of the suspension mods used for Minis will also be relevant for MM, but remember that the weight on rear wheels of MM is much lower than Mini. All up weight for a Mini is about 650kg, but my std Mk3 MM is about 530kg with roll hoop (no roll cage) and much of this weight comes off the back...
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Herve_barriere
Posted on: June 24th, 2014, 16:43:23 Quote Report to Moderator
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Location: France
Posts: 47
Thanks Nigel, i Will Check.

Another question

Currently my bonnet is attached with 2 quick clips and two straps.
While searching in the photo gallery, I see that some bonnets are fastened with 4 quick clips or with 2 quick clips & with a classic opening pivot system (forward opening).

Do you have pictures of the implantation of the rod for the quick clip (rear & front) because mine are not stiff.
For those who have classic opening, do you have pictures of the shaft & pivot in order to know where there are positioning.

thank you
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Herve_barriere
Posted on: July 20th, 2014, 19:43:10 Quote Report to Moderator
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Location: France
Posts: 47
hi
i have bad surprise end of week, when i put my MM in the garage by pusing by hand, i heared a "crack" and saw my damper on the wheel. The shock absorber top front bracket was snatched from the body. it seems that the plate to screw the bracket are into the fibre body shell.
do you think it is realist to repair without disassembly the subframe or engine ?
does someone do repair in this area ?
thanks you
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Brian
Posted on: July 21st, 2014, 03:57:49 Quote Report to Moderator
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Location: San Mateo, CA, USA
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Do you have a picture?

The top of the shock should attach to a standard mini shock top bracket, which should bolt to the shell just above the top subframe bolts. I haven't mounted mine yet, so I don't know the exact location yet.

Did your shell break where the top shock bracket gets bolted to it? Or the bolts pulled through? I don't believe there's any metal embedded in the fiberglass there, at least not on my mk6.

I haven't yet decided what I want to do for mounting, or whether I want to do some sort of reinforcement, so I'm interested in the outcome of this discussion for that.
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mike brown
Posted on: July 21st, 2014, 05:49:40 Quote Report to Moderator
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Location: Southampton
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The mk3 has the cross member from a mini bulkhead inside the fibreglass at the front and an additional steel plate either side the shock brackets bolt through both. Unfortunately these bits rust causing movement the cheap but temporary fix is remove the bolts put a spreader plate on the inside top and bottom and refit with longer bolts. The complete fix is remove subframe etc cut out steel and either replace with new or rebuild with more fibreglass not snob for the faint hearted. I've just done this job on Dave farmers mk3 see  fibreglasser wanted for hire thread in greasy bits.
Mike
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