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Engine rebuild brains

G

Guest

Guest
I don't suppose anyone that knows about engine rebuilds would like to
accompany me on Monday would they? Someone who knows what sort of thing to
look for as the head is stripped off to see where it might have gone wrong?
I might as well wear Joo Janta 2000 Peril Sensitive Sunglasses and carry a
white stick for all the good my knowledge will be!
I'll pay you - sort of :)
Pete
 
Pete
It could be many things that may have gone wrong
1/ head not tightened correctly
2/ block face not cleaned so gasket has not sat correctly.
3/ gasket could have been damaged during install
4/ they may have used head old bolts that have may stretched so will not
tourk up right as the bolts may be to long to drop in to the bind holes
in the block
5/ could have a blockage in the water system causing back pressure
6/ head cracked
7/ block cracked
8/ badly corroded / scoured block face ( may need block skimming )
Best advice is to take note of what some of these members have told you
1/ get the pressure test done before you take the head off that should
give you an indication of where the problem may be I.E which
cylinder/area you need to pay more attention too
2/ take an independent (pay them if you need to)
3/ get the head tested
But it is your call, only you can sort it out. If not just pay the bill
and swallow your pride and put it down to a bad experience however
expensive it is.
Of if you scrap it I have the spares ;-)
Good luck
Yours
Ray
-----Original Message-----
From: [Email address removed] [mailto:[Email address removed]]
On Behalf Of Peter Browning
Sent: 08 June 2007 16:39
To: [Email address removed]
Subject: [ELCO] Engine rebuild brains
I don't suppose anyone that knows about engine rebuilds would like to
accompany me on Monday would they? Someone who knows what sort of thing
to look for as the head is stripped off to see where it might have gone
wrong? I might as well wear Joo Janta 2000 Peril Sensitive Sunglasses
and carry a white stick for all the good my knowledge will be!
I'll pay you - sort of :)
Pete
 
Don=92t let ray *have* it, I will pay you, lets see, at least =A3200 for the
engine, box and axles. Is it a manual or auto?
Malcolm Bagley
Stafford UK
FJ45 '75 & FJ45 '76
Of if you scrap it I have the spares ;-)
=A0
No virus found in this outgoing message.
Checked by AVG Free Edition.
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14:21
 
I know all that Ray
But it makes a difference if someone actually knows what to look for which I
don't. Something might be wrong and staring me in the face but to the
uninitiated it might be missed.
Pressure test has been requested.
Pete
________________________________
From: [Email address removed] [mailto:[Email address removed]] On
Behalf Of Ray Dadd
Sent: 08 June 2007 16:01
To: [Email address removed]
Subject: RE: [ELCO] Engine rebuild brains
Pete
It could be many things that may have gone wrong
1/ head not tightened correctly
2/ block face not cleaned so gasket has not sat correctly.
3/ gasket could have been damaged during install
4/ they may have used head old bolts that have may stretched so will not
tourk up right as the bolts may be to long to drop in to the bind holes in
the block
5/ could have a blockage in the water system causing back pressure
6/ head cracked
7/ block cracked
8/ badly corroded / scoured block face ( may need block skimming )
Best advice is to take note of what some of these members have told you
1/ get the pressure test done before you take the head off that should give
you an indication of where the problem may be I.E which cylinder/area you
need to pay more attention too
2/ take an independent (pay them if you need to)
3/ get the head tested
But it is your call, only you can sort it out. If not just pay the bill and
swallow your pride and put it down to a bad experience however expensive it
is.
Of if you scrap it I have the spares ;-)
Good luck
Yours
Ray
 
Peter,

I would like to but work requires me be busy, not sure feel qualified on you
engine to be useful - two pairs of eyes are always more useful though.
Do some checking on leak down testing and ask them if they can do it =96 only
needs a compressor and a gauge with an adaptor to fit a spark plug. My
thinking, although checking for a cracked block hasn=92t been mentioned in any
of the write ups I have seen, is this;
Put leak tester on and check with no 6 at TDC, do same with no 5 (and rest
if you want). If the failure is gasket, you will see a rapid pressure drop,
if it is a cracked block you most likely won't. It would be nice to put the
engine at BTD on no.6 and repeat the exercise but I think the exhaust valve
will be open!
What is the normal way for these blocks to "crack" if the do fail in that
way?
Malcolm Bagley
Stafford UK
FJ45 '75 & FJ45 '76
accompany me on Monday would they?
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.5.472 / Virus Database: 269.8.11/838 - Release Date: 07/06/2007
14:21
 
I'm glad to see that the good burghers of Stafford still have a sense of
humour! :)
 
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Pete
Ask Colin the one I told you originally to use.
He may go with you if you cross his palm with silver
But you will need someone that know something .it would be best to
speculate something to get some one there at least to protect your
interest
If I knew enough I would go but I don't. Try phone around to get some
one the AA or RAC might be able to help if you are a member some groups
do offer support like this, what have you to loose eh
Oh by the way I will increase Malcolm Bagley offer I though in a copy of
auto trader & fluffy dice so you can get another one.
Ray
 
Ray
Do you have Colins contact details please?
Hindsight is great but the reason I didn't go to him in the first place was
having to get the LC trailered there.
Pete
 
That's ok Pete I understand
01384 79499
So do you provisionally accept the auto trade and fluffy dice offer
then?
Yours
Ray
 
Ray
How does a phrase that contains two words that sound remarkably similar to
cluck and toff fit the bill?
Pete
 
Ok I take that as I no then ;-)
-----Original Message-----
From: [Email address removed] [mailto:[Email address removed]]
On Behalf Of Peter Browning
Sent: 08 June 2007 18:26
To: [Email address removed]
Subject: RE: [ELCO] Engine rebuild brains
Ray
How does a phrase that contains two words that sound remarkably similar
to
cluck and toff fit the bill?
Pete
 
Pete
How have you got on with your car?
Ray
-----Original Message-----
From: [Email address removed] [mailto:[Email address removed]]
On Behalf Of Peter Browning
Sent: 08 June 2007 18:26
To: [Email address removed]
Subject: RE: [ELCO] Engine rebuild brains
Ray
How does a phrase that contains two words that sound remarkably similar
to
cluck and toff fit the bill?
Pete
 
I've arranged for a mechanical repair assessor to visit the shop with me to
watch the stripdown and then compile a report. This will be done 19th June.
In the meantime I've got them to run a compression test on the cruiser -
pots 1 through 4 are 185psi, 5 is 195psi and 6 is 190psi. Does that give any
further clues to anyone as to the state of the engine?
Pete
 
Not knowing much about it Pete I would say the pots sound ok to me
,there is only a 10 psi difference which I think is ok ?
Ray
-----Original Message-----
From: [Email address removed] [mailto:[Email address removed]]
On Behalf Of Peter Browning
Sent: 12 June 2007 12:13
To: [Email address removed]
Subject: RE: [ELCO] Engine rebuild brains
I've arranged for a mechanical repair assessor to visit the shop with me
to
watch the stripdown and then compile a report. This will be done 19th
June.
In the meantime I've got them to run a compression test on the cruiser -
pots 1 through 4 are 185psi, 5 is 195psi and 6 is 190psi. Does that give
any
further clues to anyone as to the state of the engine?
Pete
 
If there was a crack in the block venting into the coolant system wouldn't
the affected pot be down on compression???
I'm getting very confused now.
Pete
 
Pete
I don't have the figures for the petrol engine, but those for the
unturbocharged diesel 12h-t are 400 to 427 psi, and its compression
ratio is 18.6 to 1. The compression ratio for the 1FZ-FE (I think
that's you) is supposedly 9.0 to 1, so on a not terribly scientific
pro-rata basis you should be looking for 193 to 207 psi.
The permitted variation between cylinders for the 12h-t is 28 psi, so
again scaling by a factor of 2 suggests 14 psi permitted for you.
On that basis your engine sounds a bit worn, but not unreasonably so,
and the variation between cylinders sounds OK too. I'd say "so far, so
good", since there isn't a cylinder that stands horribly out.
Sorry, not a lot of help. Good luck on the 19th
Christopher Bell
| I've arranged for a mechanical repair assessor to visit the shop with
me to
| watch the stripdown and then compile a report. This will be done 19th
June.
|
| In the meantime I've got them to run a compression test on the cruiser
-
| pots 1 through 4 are 185psi, 5 is 195psi and 6 is 190psi. Does that
give any
| further clues to anyone as to the state of the engine?
____________________________________________________________
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If there was a crack in the block venting into the coolant system wouldn't
the affected pot be down on compression???
I'm getting very confused now.
Pete
 
According to Haynes (all I have) it should be 171 psi +/- 30 between pots??
Pete
-----Original Message-----
From: [Email address removed] [mailto:[Email address removed]] On
Behalf Of Christopher Bell
Sent: 12 June 2007 13:42
To: [Email address removed]
Subject: RE: [ELCO] Engine rebuild brains
Pete
I don't have the figures for the petrol engine, but those for the
unturbocharged diesel 12h-t are 400 to 427 psi, and its compression ratio is
18.6 to 1. The compression ratio for the 1FZ-FE (I think that's you) is
supposedly 9.0 to 1, so on a not terribly scientific pro-rata basis you
should be looking for 193 to 207 psi.
The permitted variation between cylinders for the 12h-t is 28 psi, so
again scaling by a factor of 2 suggests 14 psi permitted for you.
On that basis your engine sounds a bit worn, but not unreasonably so, and
the variation between cylinders sounds OK too. I'd say "so far, so good",
since there isn't a cylinder that stands horribly out.
Sorry, not a lot of help. Good luck on the 19th
Christopher Bell
| I've arranged for a mechanical repair assessor to visit the shop with
me to
| watch the stripdown and then compile a report. This will be done 19th
June.
|
| In the meantime I've got them to run a compression test on the cruiser
-
| pots 1 through 4 are 185psi, 5 is 195psi and 6 is 190psi. Does that
give any
| further clues to anyone as to the state of the engine?
____________________________________________________________
Electronic mail messages entering and leaving Arup business systems are
scanned for acceptability of content and viruses
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European Land Cruiser Owners Mailing List Further Info:
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No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.5.472 / Virus Database: 269.8.13/844 - Release Date: 11/06/2007
17:10
 
So peter it defiantly looking as if it is the head?
-----Original Message-----
From: [Email address removed] [mailto:[Email address removed]]
On Behalf Of Peter Browning
Sent: 12 June 2007 15:16
To: [Email address removed]
Subject: RE: [ELCO] Engine rebuild brains
According to Haynes (all I have) it should be 171 psi +/- 30 between
pots??
Pete
-----Original Message-----
From: [Email address removed] [mailto:[Email address removed]]
On
Behalf Of Christopher Bell
Sent: 12 June 2007 13:42
To: [Email address removed]
Subject: RE: [ELCO] Engine rebuild brains
Pete
I don't have the figures for the petrol engine, but those for the
unturbocharged diesel 12h-t are 400 to 427 psi, and its compression
ratio is
18.6 to 1. The compression ratio for the 1FZ-FE (I think that's you) is
supposedly 9.0 to 1, so on a not terribly scientific pro-rata basis you
should be looking for 193 to 207 psi.
The permitted variation between cylinders for the 12h-t is 28 psi, so
again scaling by a factor of 2 suggests 14 psi permitted for you.
On that basis your engine sounds a bit worn, but not unreasonably so,
and
the variation between cylinders sounds OK too. I'd say "so far, so
good",
since there isn't a cylinder that stands horribly out.
Sorry, not a lot of help. Good luck on the 19th
Christopher Bell
| I've arranged for a mechanical repair assessor to visit the shop with
me to
| watch the stripdown and then compile a report. This will be done 19th
June.
|
| In the meantime I've got them to run a compression test on the cruiser
-
| pots 1 through 4 are 185psi, 5 is 195psi and 6 is 190psi. Does that
give any
| further clues to anyone as to the state of the engine?
____________________________________________________________
Electronic mail messages entering and leaving Arup business systems are
scanned for acceptability of content and viruses
--
European Land Cruiser Owners Mailing List Further Info:
http://www.landcruisers.info/lists/
--
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.5.472 / Virus Database: 269.8.13/844 - Release Date:
11/06/2007
17:10
 
Pete
That could be right. There would be more adiabatic heating in a diesel
(compression warming the air) and hence higher pressure, so comparison
wouldn't be exact.
It looks as if your compressions are good, which doesn't sound very like
a horrendously cracked block to me.
I know I keep saying this, but the only head replacement I ever had done
cracked when they fitted it, and had to be replaced. So it *does*
happen.
Nil desperandum!
CB
|
| According to Haynes (all I have) it should be 171 psi +/- 30 between
pots??
____________________________________________________________
Electronic mail messages entering and leaving Arup business
systems are scanned for acceptability of content and viruses
 
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