+ another.
ps. use a BK450 gasket, not one of those (now) poor quality copper ones.

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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.

did you say it was a late A+ engine???

if so,,, (i`m too lazy to look back & re-read it sorry)

then my money is on a Pourous block

how`s that for a guess of the top of my ,,, ah,,, er,,, finger

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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.

someone here recons they're not pourous.......

Someone else reckons that copper head gaskets are good.

But if they were found to be porous they were sleeved , weren't they ?

I,m sure Brett would know if his block is sleeved or not
.

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What if they didn't find it?

Well they sold it anyway , then the owner probably fitted a copper head gasket to fix the problems


Brett , people have hijacked your thread come back !!!
.

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I have had to be the barer of bad news about pourous A+ blocks on quite a few occasions,,, some of those people are on this forum too

I`m just guessing at this one tho,,, i havn`t got teleportable eye balls & i certainly don`t have x-ray vision even if my eye-balls were teleportable, so it`s just a guess,,, but if there`s no "Decent" sized bubbles (as he said he can`t """see"""" any bubbles doesn`t mean there """isn`t""" ) & if everything else is """"perfect"""",,, then there`s absolutely nothing wrong with it & it really isn`t overheating right???,,, & obviously this thread doesn`t actually exist ,, Right???

oh,,, but it does exist

Hmmmmm ?????

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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.

So what do you think Matt, hook the air hose up to each cylinder in turn and see which one blows bubbles?

Whats happening Brett, any luck Have you by chance been able to do a compression test and or cooling system pressure test

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http://www.youtube.com/watch?v=nDMkVq1jRGU

Yes, it's a late A+ engine. I've never had the head off it. It came out of a Metro in the UK, into a container, out of the container in sunny Melb., tested in a mate's buggy, bands tightened and a few other tweaks and then into my Moke.

I have sucessfully ignored the Moke for over a week now. A have a new BK450 gasket and a head-ectomy was scheduled for this weekend. But my daily broke a wheel stud yesterday when I was taking off the stockies to replace them with bling Dragways. (What an ungrateful bitch!) So I have to fix the stupid daily first, before I can start on the Moke.

1071 visited the other day, and he witnessed the bubbles. It only happens above idle.

I'm not going to look for a porous block. It can't possibly be a porous block (buries head in the sand, ostrich style).

I'll take off the head and see what I find. Maybe time for a little head-work while it is off?

Cheers,

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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

It might just have one of those POS copper head gaskets in there...

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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.

So it shows its ugly head when the engine is (in theory) under load . . . Hmmmmm . . . the head isnt lifting off the block by chance letting exhast gasses into the cooling system when under load/increased engine speed, it only has to lift an oompteenth . . . have you checked the torque on the head studs by chance Maybe a crack in the head too.
Do a comp test and cooling system pressure test before . . . "off with its head"



You cant call them "Sh!t" Doc . . . 'coz that sticks

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http://www.youtube.com/watch?v=nDMkVq1jRGU

Compression test (done last week) was 195psi on all four. I have not checked the head studs, will try that.

I haven't got the equipment to do a cooling system pressure test. Unless anyone knows of a "ghetto" way of doing it? I do have two vaccum/pressure gauges I use for balancing carbs.

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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

Check the brass plugs in the head, where the gasket goes over them. They are (were) just a press fit.
If they sink into the head, it blows bubbles...

I pull them out if moved, tap the holes 3/8 BSP, screw drilled hex brass 3/8 plugs in with Loctite 262, then deck them and the head. They never move again...

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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.