Morph's depressed.

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L

Lee_D

Guest
Well today I finally got around to doing the compression test I should
have done along time ago but never had the kit.

Results.

1 = 130 lbs
2 = 135 lbs
3 = 135 lbs
4 = 130 "
5 = 135 "
6 = 150 "
7 = Zero...zilch...nothing... not a titter on the meter.
8 = 152 lbs

So Dad recons a burnt exhaust valve...

Plug was well oiled up when removed.

Engine make no noises of note... perhaphs a rattle similar to one
tappet.

Morph was running ok, all be it hills became a chore, 65 mph was my
fastest ever acheivement although it's a long time since I've seen him
there come to think of it.

No overheating to speak of either.

What is the groups considered opinion please.

V8 in a 101 early lump.

Lee D
--
"I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
- Frank Lloyd Wright (1868-1959)

www.lrproject.com
'76 101 Camper
'64 88" IIa V8 Auto
'97 Disco ES Auto LPG'd
'01 Laguna
 

Lee_D wrote:
> Well today I finally got around to doing the compression test I should
> have done along time ago but never had the kit.
>
> Results.
>
> 1 = 130 lbs
> 2 = 135 lbs
> 3 = 135 lbs
> 4 = 130 "
> 5 = 135 "
> 6 = 150 "
> 7 = Zero...zilch...nothing... not a titter on the meter.
> 8 = 152 lbs
>
> So Dad recons a burnt exhaust valve...
>
> Plug was well oiled up when removed.
>
> Engine make no noises of note... perhaphs a rattle similar to one
> tappet.
>
> Morph was running ok, all be it hills became a chore, 65 mph was my
> fastest ever acheivement although it's a long time since I've seen him
> there come to think of it.
>
> No overheating to speak of either.
>
> What is the groups considered opinion please.
>
> V8 in a 101 early lump.
>
> Lee D
> --
> "I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
> - Frank Lloyd Wright (1868-1959)
>
> www.lrproject.com
> '76 101 Camper
> '64 88" IIa V8 Auto
> '97 Disco ES Auto LPG'd
> '01 Laguna

Well if you've got a loss of compression there's only a limited amount
of of places you can go. The head has got to come off to fix the
problem anyway so you may as well take it off to have a look to see
what's causing it.

The only other option I suppose is to take it to a garage who can do a
"leak down" test; which would tell you where the problem lies, but
again you are still going to have to take the head off. I've got a
spare in the shed if it's totally shagged!

I would have thought it's just head gasket, but like you say it could
equally be a burnt valve or (sharp intake of breath) a hole in the
piston or something. The problem always is finding out what caused the
item to fail not the fixing of it.

I'm just on my way out the door now to go and play with the V8 bobtail,
might take the compression tester with me...........

Dave


94 Range Rover Tdi
'94 Discovery Tdi (in bits)
'84 Landrover 90 2.5D (in fewer bits)
'72 Range Rover bobtail V8 trialler / comper
'62 Series 2a trialler (retd.)

 
On or around Wed, 19 Oct 2005 13:24:20 +0100, Lee_D
<[email protected]> enlightened us thusly:

>Well today I finally got around to doing the compression test I should
>have done along time ago but never had the kit.
>
>Results.
>
>1 = 130 lbs
>2 = 135 lbs
>3 = 135 lbs
>4 = 130 "
>5 = 135 "
>6 = 150 "
>7 = Zero...zilch...nothing... not a titter on the meter.
>8 = 152 lbs
>
>So Dad recons a burnt exhaust valve...

or a blown piston.. I've had that in a V8.

>No overheating to speak of either.
>
>What is the groups considered opinion please.
>
>V8 in a 101 early lump.

on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and they
might fail as a result.
--
Austin Shackles. www.ddol-las.net my opinions are just that
"The great masses of the people ... will more easily fall victims to
a great lie than to a small one" Adolf Hitler (1889 - 1945)
from Mein Kampf, Ch 10
 
During stardate 19 Oct 2005 05:42:38 -0700, [email protected]
uttered the imortal words:


>The only other option I suppose is to take it to a garage who can do a
>"leak down" test; which would tell you where the problem lies, but
>again you are still going to have to take the head off. I've got a
>spare in the shed if it's totally shagged!

Cheers for the offer. I've got a spare (untested yet) SD1 lump and
also a spare pair of SD1 heads, though I'm suspicious as why some one
would take them off in the first place. (Bought 2 V8's and loads of
spares as a package deal)

I've also got another SD1 lump sat in Percy that is going nowhere fast
at the moment, again untested as yet (Chassis rot won the race!).

I'll whip the heads off and have a looksee. At worest it'll lighten
the load if I do have to take the whole thing out :0(.... On the
bright side it'll be dry while I'm doing it all.

>I'm just on my way out the door now to go and play with the V8 bobtail,
>might take the compression tester with me...........

Good luck!


Lee D
--
"I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
- Frank Lloyd Wright (1868-1959)

www.lrproject.com
'76 101 Camper
'64 88" IIa V8 Auto
'97 Disco ES Auto LPG'd
'01 Laguna
 
During stardate Wed, 19 Oct 2005 13:47:23 +0100, Austin Shackles
<[email protected]> uttered the imortal words:


>on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and they
>might fail as a result.

Petrol....lots of it.

Lee D
--
"I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
- Frank Lloyd Wright (1868-1959)

www.lrproject.com
'76 101 Camper
'64 88" IIa V8 Auto
'97 Disco ES Auto LPG'd
'01 Laguna
 
On or around Wed, 19 Oct 2005 13:52:40 +0100, Lee_D
<[email protected]> enlightened us thusly:

>During stardate Wed, 19 Oct 2005 13:47:23 +0100, Austin Shackles
><[email protected]> uttered the imortal words:
>
>
>>on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and they
>>might fail as a result.
>
>Petrol....lots of it.

could still be an UL issue, mind. LPG is worse than UL.

'fraid it's head-off time for a looksee, innit.
--
Austin Shackles. www.ddol-las.net my opinions are just that
"There is plenty of time to win this game, and to thrash the Spaniards
too" Sir Francis Drake (1540? - 1596) Attr. saying when the Armarda was
sighted, 20th July 1588
 

"Lee_D" <[email protected]> wrote in message
news:[email protected]...
> During stardate Wed, 19 Oct 2005 13:47:23 +0100, Austin Shackles
> <[email protected]> uttered the imortal words:
>
>
> >on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and they
> >might fail as a result.
>
> Petrol....lots of it.
>
> Lee D
> --
> "I'm all in favor of keeping dangerous weapons out of the hands of fools.
Let's start with typewriters."
> - Frank Lloyd Wright (1868-1959)
>
> www.lrproject.com
> '76 101 Camper
> '64 88" IIa V8 Auto
> '97 Disco ES Auto LPG'd
> '01 Laguna
squirt some 20w50 into the offending pot(100cc) via the plug 'ole and do the
compression test again if it comes up rings if not X the fingers its a
sticking valve.
Derek


 
On Wed, 19 Oct 2005 13:24:20 +0100, Lee_D
<[email protected]> scribbled the following nonsense:

>Well today I finally got around to doing the compression test I should
>have done along time ago but never had the kit.
>
>Results.
>
>1 = 130 lbs
>2 = 135 lbs
>3 = 135 lbs
>4 = 130 "
>5 = 135 "
>6 = 150 "
>7 = Zero...zilch...nothing... not a titter on the meter.
>8 = 152 lbs
>
>So Dad recons a burnt exhaust valve...
>
>Plug was well oiled up when removed.
>
>Engine make no noises of note... perhaps a rattle similar to one
>tappet.
>
>Morph was running ok, all be it hills became a chore, 65 mph was my
>fastest ever acheivement although it's a long time since I've seen him
>there come to think of it.
>
>No overheating to speak of either.
>
>What is the groups considered opinion please.
>
>V8 in a 101 early lump.
>
>Lee D

I would reckon on a duff valve too, but could also be a holed piston
(you will have crankcase pressure too)

When doing a dry test, it always good to watch the pressure gauge, as
pressure that builds rapidly indicates ok rings, but a gradual
increase suggests worn rings.

Also do a wet test by squirting some oil into each cylinder and
repeating the test. It is recomended to do this with each test as can
give a clearer indication of the problem.

Putting oil in the bores will temporily seal the rings, and can show
piston ring wear, as the reading will be higher.

SWMBO's suzuki engine had one cylinder really low compared to the
others, but a squirt of oil brought it to be around the same, giving a
diagnosis of poor cylinder wall to piston seal.

No change in the pressure will indicate a duff valve, duff head gasket
or even a fault with the head, such as a crack.

I may not sure, but ISTR that the minimum reading for the V8 is
150psi, with no difference between cylinders greater than about
20psi...

I would go do the wet test, compare the results, check for crankcase
pressure and then make a decision as to whether or not the engine
needs a rebore in addition to new valves.

Sorry if sounds doom and gloom!
--

Simon Isaacs

Peterborough 4x4 Club Newsletter Editor and Webmaster
Green Lane Association (GLASS) Financial Director
101 Ambi, undergoing camper conversion www.simoni.co.uk
1976 S3 LWT, Fully restored, ready for sale! Make me an offer!
Suzuki SJ410 (Wife's) 3" lift kit fitted, body shell now restored and mounted on chassis, waiting on a windscreen and MOT
Series 3 88" Rolling chassis...what to do next
1993 200 TDi Discovery
1994 200 TDi Discovery body sheel, being bobbed and modded.....
1979 Range Ruster body shell and chassis
 
Or you could just put a Tdi in it............

'94 Range Rover Tdi
'94 Discovery Tdi (in bits)
'84 Landrover 90 2.5D
'72 Range Rover bobtail V8 trialler / comper
'62 Series 2a trialler (retd.)

Lee_D wrote:
> During stardate 19 Oct 2005 05:42:38 -0700, [email protected]
> uttered the imortal words:
>
>
> >The only other option I suppose is to take it to a garage who can do a
> >"leak down" test; which would tell you where the problem lies, but
> >again you are still going to have to take the head off. I've got a
> >spare in the shed if it's totally shagged!
>
> Cheers for the offer. I've got a spare (untested yet) SD1 lump and
> also a spare pair of SD1 heads, though I'm suspicious as why some one
> would take them off in the first place. (Bought 2 V8's and loads of
> spares as a package deal)
>
> I've also got another SD1 lump sat in Percy that is going nowhere fast
> at the moment, again untested as yet (Chassis rot won the race!).
>
> I'll whip the heads off and have a looksee. At worest it'll lighten
> the load if I do have to take the whole thing out :0(.... On the
> bright side it'll be dry while I'm doing it all.
>
> >I'm just on my way out the door now to go and play with the V8 bobtail,
> >might take the compression tester with me...........
>
> Good luck!
>
>
> Lee D
> --
> "I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
> - Frank Lloyd Wright (1868-1959)
>
> www.lrproject.com
> '76 101 Camper
> '64 88" IIa V8 Auto
> '97 Disco ES Auto LPG'd
> '01 Laguna

 
On Wed, 19 Oct 2005 13:24:20 +0100, Lee_D
<[email protected]> wrote:

>Well today I finally got around to doing the compression test I should
>have done along time ago but never had the kit.
>
>Results.
>
>1 = 130 lbs
>2 = 135 lbs
>3 = 135 lbs
>4 = 130 "
>5 = 135 "
>6 = 150 "
>7 = Zero...zilch...nothing... not a titter on the meter.
>8 = 152 lbs
>
>So Dad recons a burnt exhaust valve...
>
>Plug was well oiled up when removed.
>
>Engine make no noises of note... perhaphs a rattle similar to one
>tappet.
>
>Morph was running ok, all be it hills became a chore, 65 mph was my
>fastest ever acheivement although it's a long time since I've seen him
>there come to think of it.
>

The 3,5 V8's will run quite happily on 7 cylinders without much
noticable differnece in a 101. I had mine running on 7 for 2 months
because one of the plug leads dropped off, i didn't notice the
difference, it just ran a little smoother once it was back on.

Alex
 
Lee_D wrote:
> During stardate Wed, 19 Oct 2005 13:47:23 +0100, Austin Shackles
> <[email protected]> uttered the imortal words:
>
>
>> on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and
>> they might fail as a result.
>
> Petrol....lots of it.
>
> Lee D

Try squerting some oil down the plug hole, then re check compresion if there
is no change probably a valve, but if the reading comes up probably a piston
ring fault! But like every one else says either way head off so you may as
well cut to the chase!

Icky


 
During stardate Wed, 19 Oct 2005 19:03:28 +0000 (UTC), Simon Isaacs
<[email protected]> uttered the imortal words:

>I may not sure, but ISTR that the minimum reading for the V8 is
>150psi, with no difference between cylinders greater than about
>20psi...

HBOL has it at 135 psi but Thats for the Rangie lumps, don't suppose
that theres much difference. That said several are just below 130 and
if the heads all have to come off then the valves can have the
therapy.

I will check with a squirt iin each bore first.

Long term plan is similar to Martyns with an Auto but the pocket money
aint no where near that at the mo :0(

Lee D
--
"I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
- Frank Lloyd Wright (1868-1959)

www.lrproject.com
'76 101 Camper
'64 88" IIa V8 Auto
'97 Disco ES Auto LPG'd
'01 Laguna
 
During stardate 19 Oct 2005 12:10:15 -0700, [email protected]
uttered the imortal words:

>Or you could just put a Tdi in it............

Pah!

Wash your mouth out!

;0)

That would be a move from music to the ears to a Jack hammer to the
fiillings.

With the way diesel prices are going I couldn't afford :0)

Lee D
--
"I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
- Frank Lloyd Wright (1868-1959)

www.lrproject.com
'76 101 Camper
'64 88" IIa V8 Auto
'97 Disco ES Auto LPG'd
'01 Laguna
 
During stardate Wed, 19 Oct 2005 18:37:59 +0100, Austin Shackles
<[email protected]> uttered the imortal words:

>On or around Wed, 19 Oct 2005 13:52:40 +0100, Lee_D
><[email protected]> enlightened us thusly:
>
>>During stardate Wed, 19 Oct 2005 13:47:23 +0100, Austin Shackles
>><[email protected]> uttered the imortal words:
>>
>>
>>>on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and they
>>>might fail as a result.
>>
>>Petrol....lots of it.
>
>could still be an UL issue, mind. LPG is worse than UL.
>
>'fraid it's head-off time for a looksee, innit.

I've read in the past that as they are Alloy heads then they have
valve seats fitted which supposedly got around any issues with UL.

If not whats the crack with SD1 engines?

Lee D
--
"I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
- Frank Lloyd Wright (1868-1959)

www.lrproject.com
'76 101 Camper
'64 88" IIa V8 Auto
'97 Disco ES Auto LPG'd
'01 Laguna
 
During stardate Wed, 19 Oct 2005 20:11:06 GMT, "the ickys"
<[email protected]> uttered the imortal words:

>Try squerting some oil down the plug hole, then re check compresion if there
>is no change probably a valve, but if the reading comes up probably a piston
>ring fault! But like every one else says either way head off so you may as
>well cut to the chase!
>
>Icky
>

yep...guess I'll have a butchers tomorrow. Got offered an endoscope
from work but by the time I fetch it and look I can have half of it
stripped down. I'd still have to strip it down eitherway.

Will not bother getting gaskets just yet.. if the heads bad and the
cams looking past it's best then I've got to start looking at one of
these other lumps.

Lee D
--
"I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."
- Frank Lloyd Wright (1868-1959)

www.lrproject.com
'76 101 Camper
'64 88" IIa V8 Auto
'97 Disco ES Auto LPG'd
'01 Laguna
 
In message <[email protected]>
Lee_D <[email protected]> wrote:

> During stardate Wed, 19 Oct 2005 18:37:59 +0100, Austin Shackles
> <[email protected]> uttered the imortal words:
>
> >On or around Wed, 19 Oct 2005 13:52:40 +0100, Lee_D
> ><[email protected]> enlightened us thusly:
> >
> >>During stardate Wed, 19 Oct 2005 13:47:23 +0100, Austin Shackles
> >><[email protected]> uttered the imortal words:
> >>
> >>
> >>>on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and they
> >>>might fail as a result.
> >>
> >>Petrol....lots of it.
> >
> >could still be an UL issue, mind. LPG is worse than UL.
> >
> >'fraid it's head-off time for a looksee, innit.
>
> I've read in the past that as they are Alloy heads then they have
> valve seats fitted which supposedly got around any issues with UL.
>
> If not whats the crack with SD1 engines?
>
> Lee D
> --

It's only the very early car engines (P6?) that have a problem
with the valve seats & unleaded.

Richard
--
www.beamends-lrspares.co.uk [email protected]
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
Boycott the Yorkshire Dales - No Play, No Pay
 
On or around Thu, 20 Oct 2005 00:05:39 +0100, Lee_D
<[email protected]> enlightened us thusly:

>During stardate 19 Oct 2005 12:10:15 -0700, [email protected]
>uttered the imortal words:
>
>>Or you could just put a Tdi in it............
>
>Pah!
>
>Wash your mouth out!
>
>;0)
>
>That would be a move from music to the ears to a Jack hammer to the
>fiillings.
>
>With the way diesel prices are going I couldn't afford :0)

still fancy a 5-litre straight-8 made out of 2xTDi... I'm sure the fuelling
issues can be sorted... if only by getting an 8-cylinder injection pump and
fitting that instead.

--
Austin Shackles. www.ddol-las.net my opinions are just that
"Any man's death diminishes me, because I am involved in Mankind; and
therefore never send to know for whom the bell tolls, it tolls for thee"
John Donne (1571? - 1631) Devotions, XVII
 
On 19 Oct 2005 12:10:15 -0700, [email protected] scribbled the
following nonsense:

>Or you could just put a Tdi in it............
>
IIRC there is a 101 owner who put a tdi in a GS, but found it a bit
under powered. A GS is somewhat lighter than an ambi.

My deisel engine of choice would be a 4.0 Perkins Pazer if I ever
ditch the V8 (given its now LPG, unlikely). Having said that, I have
a friend who works at Perkins, so can engines easily. They sell em
cheap to the staff because they failed test on stuff like a leaking
gasket.... Cheaper to do that than dismantle and rebuild.
--

Simon Isaacs

Peterborough 4x4 Club Newsletter Editor and Webmaster
Green Lane Association (GLASS) Financial Director
101 Ambi, undergoing camper conversion www.simoni.co.uk
1976 S3 LWT, Fully restored, ready for sale! Make me an offer!
Suzuki SJ410 (Wife's) 3" lift kit fitted, body shell now restored and mounted on chassis, waiting on a windscreen and MOT
Series 3 88" Rolling chassis...what to do next
1993 200 TDi Discovery
1994 200 TDi Discovery body sheel, being bobbed and modded.....
1979 Range Ruster body shell and chassis
 
On or around Thu, 20 Oct 2005 07:48:34 +0000 (UTC), beamendsltd
<[email protected]> enlightened us thusly:

>In message <[email protected]>
> Lee_D <[email protected]> wrote:
>
>> During stardate Wed, 19 Oct 2005 18:37:59 +0100, Austin Shackles
>> <[email protected]> uttered the imortal words:
>>
>> >On or around Wed, 19 Oct 2005 13:52:40 +0100, Lee_D
>> ><[email protected]> enlightened us thusly:
>> >
>> >>During stardate Wed, 19 Oct 2005 13:47:23 +0100, Austin Shackles
>> >><[email protected]> uttered the imortal words:
>> >>
>> >>
>> >>>on petrol, or LPG? Early V8s tend not to be unleaded-friendly, and they
>> >>>might fail as a result.
>> >>
>> >>Petrol....lots of it.
>> >
>> >could still be an UL issue, mind. LPG is worse than UL.
>> >
>> >'fraid it's head-off time for a looksee, innit.
>>
>> I've read in the past that as they are Alloy heads then they have
>> valve seats fitted which supposedly got around any issues with UL.
>>
>> If not whats the crack with SD1 engines?
>>
>> Lee D
>> --
>
>It's only the very early car engines (P6?) that have a problem
>with the valve seats & unleaded.

I though it was all the pre-76 (pre-SD1) ones. The valve seats didn't need
to be so hard when all the petrol was leaded. Early Rangies and probably
101s have the pre-SD1 engine.
--
Austin Shackles. www.ddol-las.net my opinions are just that
"Any man's death diminishes me, because I am involved in Mankind; and
therefore never send to know for whom the bell tolls, it tolls for thee"
John Donne (1571? - 1631) Devotions, XVII
 
On or around Thu, 20 Oct 2005 08:55:19 +0000 (UTC), Simon Isaacs
<[email protected]> enlightened us thusly:

>On 19 Oct 2005 12:10:15 -0700, [email protected] scribbled the
>following nonsense:
>
>>Or you could just put a Tdi in it............
>>
>IIRC there is a 101 owner who put a tdi in a GS, but found it a bit
>under powered. A GS is somewhat lighter than an ambi.
>

isn't Steve putting a TDi in one of his?

bear in mind that the TDi is tough enough to take a bit of upgrading - up
the boost a touch, bigger intercooler...
--
Austin Shackles. www.ddol-las.net my opinions are just that
"Remember that to change your mind and follow him who sets you right
is to be none the less free than you were before."
Marcus Aurelius Antoninus (121-180), from Meditations, VIII.16
 
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