I've been putting together my BMW twin cam engine bits and I have almost everything but a flywheel and clutch.

I'm using an A+ 1275 block but I assume this doesn't dictate whether the clutch has to be verto or not.

The car will be almostly solely for road use. What clutch and flywheel combination do people recommend?

_________________
1970 Mini Deluxe - 1275, Weber, Clive 346 cam, MS 4-pot slotted discs, Megajolt ignition Now with new improved Mambas... almost on the road
1966 Van with Traveller rear seat conversion
2008 Prado GXL
All in various states of repair...

If power output be up to about 120 HP and you're not going to rev the ring out of it, then my combination of choice would be -

* lightened std pre verto flywheel, .200" is enough
* lightened S back plate
* bonded & riveted clutch plate
* orange diaphram

If it going to make more power, the use grey diaphram.

_________________
Steve

I agree ^^^, however a light steel backplate is more durable with the grey diaphragm (as Benjamin found out on his turbo 1152 when his lightened S backplate shattered). Perhaps it was how it was lightened though.

_________________
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.

Rts verto clutch proven to 200 bhp light pedal. Search on turbo minis

Yes seen the RTS clutch on turbo minis but the DIY factor is a bit beyond me.

_________________
1970 Mini Deluxe - 1275, Weber, Clive 346 cam, MS 4-pot slotted discs, Megajolt ignition Now with new improved Mambas... almost on the road
1966 Van with Traveller rear seat conversion
2008 Prado GXL
All in various states of repair...

Is anyone selling RTS clutches?

_________________
1970 Mini Deluxe - 1275, Weber, Clive 346 cam, MS 4-pot slotted discs, Megajolt ignition Now with new improved Mambas... almost on the road
1966 Van with Traveller rear seat conversion
2008 Prado GXL
All in various states of repair...

no one is selling them but some one on TT would knock one up if you asked nicely

good blokes.

Been watching that forum for years, only just realised I'm not a member .

_________________
1970 Mini Deluxe - 1275, Weber, Clive 346 cam, MS 4-pot slotted discs, Megajolt ignition Now with new improved Mambas... almost on the road
1966 Van with Traveller rear seat conversion
2008 Prado GXL
All in various states of repair...

we do a nice light package, but using a "Blue" diaph,,, gives over 1200-1400lbs clamp (depending) pressure & still fairly light on the foot



Now that pic shows it with a puck plate but a decent AP comp material plate will be fine

if you notice we use our own CNC lightened (2-piece) flywheel, but we machine & press fit a new clutch spring "seat ring" into the flywheel, which moves the spring pivot point to effect WAY more clamp-age using the blue diaph , without the problem of being heavy on the foot

pretty tricky hey?

Edit--> Vertos are heavy as lead,,, no matter what you do to them & besides they`re for skinny little girls

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.

oi steady on matt ^^^^^ lol.

the first rts weighed 19.8 lbs all up ,an ultralight weighed 16 lbs all up ,so not that bad .

i do drive like a little girl though

robert.

_________________
just try it ..see if it works .

http://www.youtube.com/user/legrandphromage

Dave I reckon either get a rts or drill your clutch bearings with the oil feed mod so they don't die from a heavy clutch

Any engining mob can do it when building the block.

Ps clutch bearings I mean something else but I cant think of the name right now.

i expect you meant to say "Main cap Thrusts"

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.

hee hee, Hey Robert, good to see you here again, How`s the weather up there?

& yeah the RTS looks good-ish,,, i personally havn`t tried one so i can`t comment, but still to heavy for me tho

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.

Lol that's it the thrusts.! And one of mattered ups you can't go wrong!

Lol that's it the thrusts.! And one of mattered ups you can't go wrong!