displaying posts 1 to 7 of 7

Author Subject: cylinder head
reggyboy

Newbie

Location: Neston

Registered: 30 Jun 2010

Posts: 20

Status: Offline

Post #1
Does anyone know of any major problems when taking off skimming and replacing cylindr head on 306 gti 6
Posted 30th Jun 2010 at 12:28
adam b

Seasoned Pro

Location: The Nam

Registered: 24 Jan 2006

Posts: 12,828

Status: Offline

Post #2
Just have a look around mate - there are quite a few potential pitfalls. You can't skim them much and you have to be very, very careful not to bend any valves or valve guides. Plenty of info on here but you'll have to look for it. Might be an article in the FAQ section as well.

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Nothing to see here
Posted 30th Jun 2010 at 13:26
reggyboy

Newbie

Location: Neston

Registered: 30 Jun 2010

Posts: 20

Status: Offline

Post #3
Skimming head because head gasket has gone so what is max skim on these.
The only thing not sure about is the injection system as iv'e not worked on these before is there any major probs with these or is it straightforward as per Haynes manual?
thanks
Posted 30th Jun 2010 at 15:21
ablister

Senior User

Location: fife

Registered: 30 Oct 2005

Posts: 522

Status: Offline

Post #4



H should be 137 ± 0.05 to 136.8 ± 0.05

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306 rallye, Richard Longman engine

rc10gt
Posted 30th Jun 2010 at 23:57
dr-evil

Senior User

Location: Crewe

Registered: 20 Oct 2006

Posts: 901

Status: Offline

Post #5
^^^ Life saver - cheers buddy Big grin Thumbs up Thumbs up

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Cad Monkey will work for chocolate biscuits....I'm not kidding
Posted 23rd Jul 2010 at 00:11
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

Status: Offline

Post #6
that picture is of the MI16/S16 head, is that 100% the correct dimension?

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Bring on the Trumpets.

Posted 23rd Jul 2010 at 00:15
ryangti6

Seasoned Pro

Location: Pontypool

Registered: 01 Sep 2006

Posts: 1,839

Status: Offline

Post #7
reggyboy wrote:
Does anyone know of any major problems when taking off skimming and replacing cylindr head on 306 gti 6


My main advice would be do not rotate the cams seperatly as this seems to be a very common mistake people make. Other than that its the same as any other headgasket change/skim really

When pinned the cams are locked at the point where some valves are open and if you remove the pins the cams will move and the valves can hit each other(inlet/exhaust) so be very carefull.

Also I dont know if you are aware that ideally you need to remove the exhaust manifold as it is very tight and you could easily hit the valves that are held open

Hope this helps

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Ryan
Posted 23rd Jul 2010 at 01:06

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