yes I sure did... not pretty stuff guys..,, valve pushed into the cylinder head.. i had that same cam as you.. the BP300.. it was wayy to big

the C-AEA526 are whats in mine atm right doc?

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Bluey-1973 Clubby - 1330, high lift, big cam, 7 port madness in progress..

Gumby-1978 Minivan, British Racing Green - 1310, high lift, mild cam, enlarged porting and chamber shape with big valve head, supercharged build in ever slow progress!

funny you should post on this mate.. i was reading this thinking, i rekon the springs you had caused your cam to be ****ed...

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Bluey-1973 Clubby - 1330, high lift, big cam, 7 port madness in progress..

Gumby-1978 Minivan, British Racing Green - 1310, high lift, mild cam, enlarged porting and chamber shape with big valve head, supercharged build in ever slow progress!

yep, easy as. Did this and no problem at all.. My rockers didn't even hit on the alloy rocker cover, so I dunno why.. but once I found out I filled it down just to ensure.. no bends, dints, or signs of scratches

easy as... and looks much better, and no drama's

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Bluey-1973 Clubby - 1330, high lift, big cam, 7 port madness in progress..

Gumby-1978 Minivan, British Racing Green - 1310, high lift, mild cam, enlarged porting and chamber shape with big valve head, supercharged build in ever slow progress!

yep, easy as. Did this and no problem at all.. My rockers didn't even hit on the alloy rocker cover, so I dunno why.. but once I found out I filled it down just to ensure.. no bends, dints, or signs of scratches

easy as... and looks much better, and no drama's

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Bluey-1973 Clubby - 1330, high lift, big cam, 7 port madness in progress..

Gumby-1978 Minivan, British Racing Green - 1310, high lift, mild cam, enlarged porting and chamber shape with big valve head, supercharged build in ever slow progress!

Cheers for all the replies guys. Was going to try fit them on Friday but my Dad needed a hand so the Mini got no love. Might have a go one afternoon this week if the weathers good.

Had a quick read through the service manual on removing the rockers and replacing. Basically the manual says

1 ) Drain coolant.
2 ) Loosen ALL head bolts/nuts in the correct order
3 ) Completely undo the 8 nuts/bolts holding down the rocker gear
4 ) Remove rocker gear
5 ) Replace rocker gear with shiny new stuff
6 ) Do up head bolts/nuts in correct order to correct torque
7 ) Check rocker clearances
8 ) Refill coolant
9 ) Drive away into the sunset

Does this sound about right?

Also, the rocker cover I have is just one of the standard pressed ones I got chromed up awhile ago. Any chance this is going to clear?

Cheers again,
Keels.

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-Wasabi
1972 Clubman - Daily Driver
1962 850 - EW1 Powered

Nope the standard one you have definitely wont fit. It doesen't allow for the bigger rockers.. as meantioned above

You shouldn't have to drain the coolant if you dont want to. I guess it says to do that because it wants you to undo all head bolts, but, you dont have to touch the front head bolts, leave them in place, if your gentle, you can get away with leaving it in no drama's. This is how Dr mini and others told me how to do mine, when I did it, and no worries. Good as gold. So long as the engine is dead cold when you do it, then your fine.

Once you've done it all back up again, loosen the front head bolts off half a turn and re torque them. Good habbit to get into.

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Bluey-1973 Clubby - 1330, high lift, big cam, 7 port madness in progress..

Gumby-1978 Minivan, British Racing Green - 1310, high lift, mild cam, enlarged porting and chamber shape with big valve head, supercharged build in ever slow progress!

we have only recently fitted 2 totally different types of 1.5:1 ratio roller rockers to 2 different minis, both with std rocker covers & both fit fine without fouling anywhere

"Some" roller rockers obviously do fit with std rocker covers

suck it & see i say

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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.

If your rocker cover doesn't quite make it, rather then get another cover you could just glue 2 gaskets together and look at that, it clears now.

I've found that it's not the height with mine, but with the front to back clearance....

That's why Doc says to file out the holes...... you naughty boy!

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Bluey-1973 Clubby - 1330, high lift, big cam, 7 port madness in progress..

Gumby-1978 Minivan, British Racing Green - 1310, high lift, mild cam, enlarged porting and chamber shape with big valve head, supercharged build in ever slow progress!

Fine then, use a hammer and bend the studs, that'll fix it

hehe.. yep sounds just like me

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Bluey-1973 Clubby - 1330, high lift, big cam, 7 port madness in progress..

Gumby-1978 Minivan, British Racing Green - 1310, high lift, mild cam, enlarged porting and chamber shape with big valve head, supercharged build in ever slow progress!