Head Gasket Job

Head Gasket Job

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neutral 3

Original Poster:

6,427 posts

170 months

Friday 17th July 2015
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As above, had lots of Range Rovers but never pulled the cylinder heads and I'm not looking forward to pulling the Griffs heads off !!

Anyone know if the heads can be removed without taking off the exhaust headers ? Any tips ?

blitzracing

6,387 posts

220 months

Saturday 18th July 2015
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You really need to find out why it wont start first off and then run one of these tests once its running:

http://www.ebay.co.uk/itm/FX-53-HEAD-GASKET-BLOCK-...

Pulling the exhaust manifold of is a pain as spanner access is so poor around the manifold headers, so you really dont want to pull the heads off unless you are 100% sure you have to. Other symptoms of a blown gasket are air bubbles in the swirl tank when the engine is running , or the cooling system becoming pressurised more than normal- also steam / water in the exhaust outlet.

neutral 3

Original Poster:

6,427 posts

170 months

Saturday 18th July 2015
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Morning blitz, yes I do need to try and get it running first, but I'm stumped, my local garage are too busy and the compressions are down / it's been using water for a long time, so the heads ( or at least the right one ) is going to have to come off.

It looks like the front right hand cyl head bolt is impossible to get to with the header in the way ?

andy43

9,680 posts

254 months

Saturday 18th July 2015
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I'm completely out of my depth but the other thread says comp test needs doing on hot engine? If it were me I'd be looking at getting it to a specialist - on a trailer if necessary - to get it running and to do a comp test and gas in water test before pulling the heads, even with existing water loss.
Cost me well under £100 each way to get mine from manc to Chesterfield after I bought it and it was money well spent.
It'd be a heck of a lot of hassle to find there's nowt wrong with the gaskets and the heaters been leaking instead.

blitzracing

6,387 posts

220 months

Saturday 18th July 2015
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I would not worry about the fact the engine was cold if a compression test is done- hes still got good results on 7 pots, so you wont need a second opinion on this. The only extra trick I know is you squirt oil into the combustion chamber- this helps seal up the piston rings if they are leaking so the compression will rise, showing its not a head gasket issue.

neutral 3

Original Poster:

6,427 posts

170 months

Sunday 19th July 2015
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Thanks guys and yes oil into the bores to see if it's the rings. I have an invoice from circa 2001 or 2002 when Alex Roebuck the first owner had new rings fitted @ circa 30,000 miles I think.

Anyone recommend a specialist in the Sth East I can trailer the beast to ? I'm out of my depth trying to diagnose what's wrong. Not having the use of it over my Bithday And this time of the year is driving me nuts.....but thank god I still have the old M3 for some hooning !

TVaRt

364 posts

222 months

Monday 20th July 2015
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i have just finished putting my griff engine back together after taking the heads off. You have to take the exhuast manifolds off as they block the head bolts, otherwise you could get the heads off with the manifolds still attached. Its not the fun part of the job!

Has anyone highlighted the chance it could be slipped/leaking liner(s)?


neutral 3

Original Poster:

6,427 posts

170 months

Monday 20th July 2015
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Hello Tv thanks for your reply, such a pain the manifolds have to come off first, particularly the right one as those bolts are such a pain to get to ! I've just had my local garage replace the gaskets on that side as well, but at least that should make them easier to undo !

Re a slipped liner, yes it's been mentioned that a liner could have dropped, but just 102 psi in one cyl on the right bank does mean something isn't right.
She has felt a little down on power recently as well and has used a little water since a hose burst in 2010 and the rad went in 2011.

QBee

20,948 posts

144 months

Monday 20th July 2015
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neutral 3 said:
Thanks guys and yes oil into the bores to see if it's the rings. I have an invoice from circa 2001 or 2002 when Alex Roebuck the first owner had new rings fitted @ circa 30,000 miles I think.

Anyone recommend a specialist in the Sth East I can trailer the beast to ? I'm out of my depth trying to diagnose what's wrong. Not having the use of it over my Bithday And this time of the year is driving me nuts.....but thank god I still have the old M3 for some hooning !
Not close to Hampshire (if your profile is correct), but I would recommend calling Mat Smith in West Norfolk, 01366 386004. 80 miles due north of London. Knows his TVRs, small operation, has stripped and rebuilt many a TVR including his own S and racing Chimaera, so not the same cost as the big boys.
If your budget will stretch to Str8six, then they are in Oxfordshire, so physically nearer. And there are a couple of recommended TVR places in Wilts/Gloucestershire (Neil Garner and David Gerald?), and TVRSSW in Somerset.

Pete Mac

755 posts

137 months

Monday 20th July 2015
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neutral 3 said:
Thanks guys and yes oil into the bores to see if it's the rings. I have an invoice from circa 2001 or 2002 when Alex Roebuck the first owner had new rings fitted @ circa 30,000 miles I think.

Anyone recommend a specialist in the Sth East I can trailer the beast to ? I'm out of my depth trying to diagnose what's wrong. Not having the use of it over my Bithday And this time of the year is driving me nuts.....but thank god I still have the old M3 for some hooning !
Hey Ian, do you remember this little thread last year:

http://www.pistonheads.com/gassing/topic.asp?t=139...

I never used them but Turner Engineering looked like a good bet and they are in Surrey so can't be a million miles from you. If it's really head gasket/ slipped liner then perhaps you should just get it done and they look like they offer the works. I did chat to them at the time and they seemed very helpful and knowledgeable. Not sure whether they will take your engine out for you but worth a call.

I'm back from the 'back of beyond' for the next 5 weeks. I'm in Berkshire so if you need some moral support to stop you flogging your Griff then let me know (subject of another thread) - it would be a big mistake and you would regret it later. Pete

phazed

21,844 posts

204 months

Monday 20th July 2015
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David Batty. Probably nearest.

http://www.davidbattythegarage.com/page3.htm

neutral 3

Original Poster:

6,427 posts

170 months

Monday 20th July 2015
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Thanks for the advise, Griff is Essex, so ideally someone Essex or East London, but Norfolk isn't too bad.

Any one on here have an "ECU mate " which may diagnose why it won't start ?

QBee

20,948 posts

144 months

Monday 20th July 2015
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neutral 3 said:
Thanks for the advise, Griff is Essex, so ideally someone Essex or East London, but Norfolk isn't too bad.

Any one on here have an "ECU mate " which may diagnose why it won't start ?
Now we know that:

Mat Smith is still my first choice, up to Cambridge and follow the A10 around Ely to Downham Market. Right by the train line to Kings Lynn when you want to collect it.
I have also heard good things about Taylor TVR in north Kent -Aylesford.
And Bespoke in Herts - Ware?

Or ask Mpoxon where he takes his Grieff. He's an Essex boy.

neutral 3

Original Poster:

6,427 posts

170 months

Tuesday 21st July 2015
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Lots of other cars on the go atm, so the Griff is now low priority, for the time being, but I keep thinking that if it was that quick with 4 cylinders having low compressions.....just how quick will it be with healthy compressions !!

QBee

20,948 posts

144 months

Tuesday 21st July 2015
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Stick an Audi RS6 engine in and have the choice laugh