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Head skimming, Mini Clyinder head. Problem! #225845
7th May 2008 5:00pm
7th May 2008 5:00pm
Joined: Oct 2005
Posts: 590
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Lund Offline OP
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Lund  Offline OP
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Hi AW.

I'm in need of some advice. I have recently purchased a 998 unleaded head (Cam4810) for my Mk4 850. At closer inspection it looks to have had a problem with a leak on the head cylinder gasket. Is it useable with a light block sand across the surface, or is a skimming required?

Here are the pics:

[Linked Image]

[Linked Image]

[Linked Image]

[Linked Image]

Where locally can I get it skimmed and for what price?

Thanks in Advance



Tom

Last edited by Lund; 7th May 2008 5:00pm.

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Re: Head skimming, Mini Clyinder head. Problem! [Re: Lund] #225851
7th May 2008 5:32pm
7th May 2008 5:32pm
Joined: Apr 2006
Posts: 12,369
Birkenhead
BMW Joe Offline
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Personally, I'd get it skimmed.

I think I'm right in saying, you'll probably need a thicker gasket to keep the compression ratio the same too.

There is a place just after the 4 bridges called CLM Engineering on the units on Kelvin Road, they should be able to do it.

There is also Birkenhead Engines on Cathcart Street.

Not sure of a price though, so best to ring or go in and get a quote.

StuyMac or turbo_stu might be able to help more.


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Re: Head skimming, Mini Clyinder head. Problem! [Re: BMW Joe] #225852
7th May 2008 5:35pm
7th May 2008 5:35pm
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The place by PECO do head skimming don't they, is that the same place as joe said ???


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Re: Head skimming, Mini Clyinder head. Problem! [Re: BMW Joe] #225854
7th May 2008 5:41pm
7th May 2008 5:41pm
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Posts: 590
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Lund Offline OP
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Originally Posted by BMW Joe
Personally, I'd get it skimmed.

I think I'm right in saying, you'll probably need a thicker gasket to keep the compression ratio the same too.

There is a place just after the 4 bridges called CLM Engineering on the units on Kelvin Road, they should be able to do it.

There is also Birkenhead Engines on Cathcart Street.

Not sure of a price though, so best to ring or go in and get a quote.

StuyMac or turbo_stu might be able to help more.


Okay will ring up tomorrow for some quotes. You don't happen to have the numbers do you?

With having it skimmed, the compression ratio will increase, thus performance will also be increaed. Problem is, I dont know if its been skimmed before. We'll soon see.

Thanks for your help


[Linked Image]
Re: Head skimming, Mini Clyinder head. Problem! [Re: Lund] #225868
7th May 2008 6:13pm
7th May 2008 6:13pm
Joined: Apr 2006
Posts: 12,369
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BMW Joe Offline
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d'oh, its not CLM Engineering, it's Merseyside Engine Parts & Repair Specialist - Their phone number is 0151-639 2259

I knew it was one of them units on Kelvin Road.

Quick search on google - Birkenhead Engine Centre on Brook St, 0151 647 8383

They might be able to tell you if it has been skimemd before?


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Re: Head skimming, Mini Clyinder head. Problem! [Re: BMW Joe] #226094
8th May 2008 8:36pm
8th May 2008 8:36pm
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Posts: 590
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Lund Offline OP
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Ok thanks, will give them a call. Firstly rang CLM as i didnt see your latest post! Spoke to the guy there and he's told me where to go for it smile


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Re: Head skimming, Mini Clyinder head. Problem! [Re: Lund] #226151
9th May 2008 8:28am
9th May 2008 8:28am
Joined: Nov 2003
Posts: 12,002
Wirralshire
StuyMac Offline
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Skim smile

If the head is marked and you dont know the History, its better to be safe than sorry.

Id also refit with a std gasket, a skim should effect the compression that much, and even so, a slightly higher comp ratio on a N/A car is a good thing wink

Skimming is usually around 50 smile


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