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[Migv6 le Frog Fan]

That sounds more plausible to me. If it is a case of failed head gasket, it will be the first one known on a 2.6 / 3.2 as far as I know.

[terry paget]

Could have previously been driven through a puddle, thrown the belt and left standing for a period of time pending repair... more than one way to get water into the bores...

Good thinking. That would explain why only 1,2 3 and 4 are affected. Though it still ran so belt was on then. Unlikely previous owner would have replaced bent valves.if the belt was thrown. 

[05omegav6]

Depends on removal when engine locked up... Certainly a bodge would be to throw a new belt on and see if it ran, then flog it... X'000 miles later and here we are

[omega2018]

wow that's it, it's not a head gasket failure it was driving through a puddle. i don't know how i ever though it might be hg how silly of me .

[05omegav6]

Depends on rpm when engine locked up... Certainly a bodge would be to throw a new belt on and see if it ran, then flog it... X'000 miles later and here we are

Typo corrected, and BTW, I am not the only person unconvinced by the HG diagnosis...

[terry paget]

So the car entered the water with the engine at low rpm, water was sucked in, first entered cylinders 1-4, and the first piston rising on compression with water above it stopped the engine instantly; no belt failure, no valve damage. I'll believe that. Car was towed out of the water and parked,long enough for rust to set in.

[omega2018]

i think we can run with puddle theory .

lets see, hydraulic damage (bent con rod, crank damage, main bearing damage, hg damage) might not occur if the revs were so low that none of the other cylinders made much attempt to overcome the pressure in the flooded one

that when the engine stalled the driver wisely resisted the first thing anyone would try - to re-start it

maybe the water hit cylinder 6 first and the water stopped coming by the time 4 had finished sucking.

the car was recovered and ran with the rust (no blown hg) and the water in the oil is  from the original puddle despite any oil changes and boiling off in normal running

Hmmmm......

IT'S A BLOWN HG GET OVER IT

[YZ250]

Hmmmm......

IT'S A BLOWN HG GET OVER IT

Two blown head gaskets apparrently.       Not impossible I grant you, but I'd like the OP to post a picture up when the heads have been removed and before the gaskets have been lifted off. I'd like to see the condition of the gaskets and the valve seating condition when the cam is turned.

I'm not looking to argue with anyone as it's not my car to worry about, I just have my own thoughts on this.     My particular interest would be the heads, so any update from the OP would be appreciated. 

I've had a head gasket go on my old V6, it went outwards though, not between bores. 

[terry paget]

i think we can run with puddle theory .

lets see, hydraulic damage (bent con rod, crank damage, main bearing damage, hg damage) might not occur if the revs were so low that none of the other cylinders made much attempt to overcome the pressure in the flooded one

that when the engine stalled the driver wisely resisted the first thing anyone would try - to re-start it

maybe the water hit cylinder 6 first and the water stopped coming by the time 4 had finished sucking.

the car was recovered and ran with the rust (no blown hg) and the water in the oil is  from the original puddle despite any oil changes and boiling off in normal running

Hmmmm......

IT'S A BLOWN HG GET OVER IT

Hydraulic damage less likely than you think. Following C-section birth of my grandson Tom, mother Emma's Rover Streetwise did not move for a month. Then it would not start, nor even turn over. Grandpa tried bigger battery, new starter, finally tow start, all to no avail. I towed the car home, took advice from this forum, found water in no. 1 cylinder, changed head gasket, and car runs again. It has run ever since. My point is no hydraulic damaged had occurred.

[Kevin Wood]

If there is rust visible on the bottom of the valves, that cylinder has not been firing at all. (otherwise, the rust would have been covered up by soot)

All bar 2 cylinders low on compression doesn't sound like a head gasket to me, unless it's been seriously overheated.

Have you checked for a spark in all cylinders? Thinking a coil pack failure might be causing it to misfire. I have seen bore wash cause poor compression figures in an otherwise healthy engine that has been missing badly before now. Then again, a compression test with oil added to the cylinders should have eliminated that.

Failing that, it's had a cam belt failure, has sat for some time before someone's slapped a belt on, found it runs and moved it on. This is a common scenario for this engine.

[Ulap31]

Sorry for not posting earlier,
Right then 1st things first need to know how to post pictures
I'll take pictures on the I pad as I dismantle.
Will picture everything as i get to the heads feel if this will help anybody else then great.
Second I have tried 3 different coil packs so can't be these.
Third I've done about 10000 miles in the car from getting it.
This was owned by a women and ( no disrespect here to women) maybe she never checked things like water etc, maybe it run dry and overheated, blew the gaskets bit of k seal to cover the problem then get it sold to unsuspecting buyer.
I'm lucky that we have a company called power units in Hatfield who will pressure test the engine once it's out so at least I'll know if engines fuballed
I could scrap it but I need to know as on tick over it runs fine soon as you drive in gear it runs rough

[terry paget]

on tick over it runs fine soon as you drive in gear it runs rough, yet is still goes fast as f*ck (#68). It must be firing on six some of the time. OP has run it 10000 miles and previous owner was a woman. Emma's Rover had water in no.1 for 2 months, but there was no sign of rust on bores or valves. We all have our theories, ulap, and eagerly await your stripdown.

[omega2018]

i can see the way this is going.  the strip down reveals burns through the gasket but of course that won't be hg failure oh no it'll be that puddle again.  or lightning strike.  or damage caused during the head removal. etc.. etc...   

[jimbo125]

6 pages to this thread and still no answer as to what happened to this engine, War and Peace made easier reading so what is the problem!

[Lazydocker]

i can see the way this is going.  the strip down reveals burns through the gasket but of course that won't be hg failure oh no it'll be that puddle again.  or lightning strike.  or damage caused during the head removal. etc.. etc...

Why do all of your posts have to be argumentative and aimed at getting a rise? Actually... It seems to be a general trend. Probably part of the reason many of the long established members have lost interest