You are right. 12" wheels and 9" discs rock!
I've got the 1st set (NZ Honda City 7.9s) on the Clubbie, wouldn't mind some 9" Hondas on mine but I've got 10" Contessas, and 2 new sets of 10" tyres already... so I'll keep the S brakes on it for now.
Might do it to the 850 later though (if it's ever finished...)

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Doc, ive got my honda setup complete pretty much except for the machining on the front of the hubs.. but ive showed a few people and they recon it wont pass herhe because of the thickness of the 3 8mm bolts that hold the plate onto the hub, if i just get high tensile longer bolts, will this be ok? what bolts are you using?

thanks
Ben

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GTi Turbo'd mini, abused daily

Go buy some Unbrako (allen head) cap screws, 5/16" UNF x 3/4" long.
These are high tensile steel and stronger than the `grade 5' originals.

If they bottom in the swivel hub threads, just shorten them a bit.

I used the original bolts on the first couple I did, which had 3.5mm caliper mounting plates, but they are really too short for the thicker 8mm plates.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

grade 5, hrm.. the guy next door said to get grade 1 if possible, ill pick some up this week fromt the nut n bolt shop, and see how things go

thanks Doc

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GTi Turbo'd mini, abused daily

Grade 5 (strong) and Grade 8 (stronger) are high tensile bolts. Unbrako cap screws, available in either Grade 9 or 12, are even stronger- not that it matters here. Even Grade 5 is plenty strong in this application.

Grade 1? I dunno--- maybe he means `first grade' or something.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

I just tried a Revolution 10x6 wheel on the Honda 7.9" discs & calipers (my Clubbie).
These wheels have offset to suit early Mini drums (non-spacered).

Hey guys, they fit, without any spacer....

U still do need flares though to be legal, but Inno ones are probably wide enough.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

My cars got the same brake setup as kevs, cept for the pads, but its got 10X6 revolutions on it, which stick out a mile, looks cool, although the cops often dont think so, but it does bugger up your handling as i mention i my thread regarding the reliability of this conversion, after one turns when one should be able to let go of the wheel and have the car go straight, it doesn't, it almost keeps turning, it sucks....im contemplating putting these discs on my car as the S ones are a bit sad and this is cheaper than reconditioning them! Ive already put stock drums on the back and ive test fitted the front on Kevs sons honda disced clubman and they fit without the spacers... cept for the wheel weight fouling which is no biggie...

Moral of the story i spose is wheels which hang out a mile bugger up your handling...

Howdy there Gareth, buddy, pal, I'd be surprised if your car doesn't handle better when you get them in a bit. The torque steer must be gross like it is now..

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

If you use the Honda disks without spacers under whatever wheels, what wheel studs do you use?

The standard non-spacer drum Mini wheel studs (1 1/2" long I think) are not long enough. The thread does not come through the wheelnut when torqued down on a std steel Moke rim.

Spacer drum studs (2 1/4" long I think) are too long - thread bottoms before the wheel is torqued down...


Does anyone make 1 3/4" length Mini studs?

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Brett Nicholson
Greendale (near Ballan) VIC.
1971 Morris Mini Moke
1966 Austin Mini
1965 Morris Mini Traveller
1973 LR Series 3 88
2007 LR Freelander 2

Yep, try Moke rears. They were made for a 3/4" spacered Moke drum- dunno what model- 13" wheels maybe. they are around 1-3/4" long, from memory.


<edit> try AYK4147.

<edit 2> Just read your post again. The Honda disc is hardly thicker (maybe 1/8"?) than an early Mini drum- so what is the problem? the threads are about flush with the nuts on a drum brake Mini- 2-3mm less won't hurt. I run a 5mm spacer on my RH rear wheel... (don't ask!)

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

hehehe someone will ask this sooner or later, why the 5mm spacer kevin?

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GTi Turbo'd mini, abused daily

Wellllll... the car had a LH rear hit long before I bought it. After finally getting the rear wheel alignment correct, the RH one was in 5mm more than the left one. So now it's not...

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Using a std 13" Moke steel wheel the thread did not not protrude through the wheel nut - it was about four threads inside the nut. So I need six to eight threads more length.

Maybe the drive flange I was experimenting with had cut down studs or something odd. Or maybe a Moke wheel is thicker than a Mini one. I'll measure all my drive flanges and try again.

Regarding Dr Mini's alignment issues, I had issues on the back with the Moke. RH trailing arm had taken a hit and was slightly bent. I did not realise it until I went to refit the cones and trumpets. The back of the arm fouled on the subframe!

After filing the outer trailing arm bracket hole oval, I managed to get it lined up correctly. Then I welded a washer onto the bracket in the correct position to hold it steady. But I haven't checked if one wheel sticks out more than the other yet...

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Brett Nicholson
Greendale (near Ballan) VIC.
1971 Morris Mini Moke
1966 Austin Mini
1965 Morris Mini Traveller
1973 LR Series 3 88
2007 LR Freelander 2

hey guys just wanted to drop you a line and say thanks all the info on the honda discs under 10" wheels

Mine are finally on and STOP.....yeah

anyway if any drawing files for the backing plate (same shape as DR Minis first ones) just email and I will send it through in whatever format you require.. I had my plates laser cut and all the guy needed was a DXF file so simple.. and you can getcut out of any thickness plate you want (Stainless anyone?)

anyway I will have some pics soon.

Stuart

I have done a manual drawing of the adaptor plate for CITY (not Civic) disks running at std size - not cut down for 10" wheels. Mock-ups using 12mm plywood look good, just got to get the real things made up. With City disks 12mm wide plate fits perfectly! (Honda City disks are smaller diameter and narrower than Civic ones.)

I would like to do a DXF - can anyone recommend a freeware/shareware CAD program?

Maybe we need a library of DXF files or scans of the adaptor plates. eg: Civic under 10", City under 10", City std size, Civic std size etc... Big disclaimers all over it in case some idiot makes a mess of it and tries to sue...

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Brett Nicholson
Greendale (near Ballan) VIC.
1971 Morris Mini Moke
1966 Austin Mini
1965 Morris Mini Traveller
1973 LR Series 3 88
2007 LR Freelander 2