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 Head gasket bore
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James Ranaldi
V4 Guru

United Kingdom
1377 Posts

Posted - 22 Jan 2013 :  19:48:49 Show Profile Reply with Quote
Great response as always Melle, thanks.

Yes, I still have the original gaskets which you kindly supplied. I just liked the sound of your latest technical challenge !

It's all academic at the moment anyway as my car is going nowhere fast.

Much appreciate your offer of the CAD File, My pupils will be very interested in this.

Cheers
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melle
V4 Guru

United Kingdom
2494 Posts

Posted - 22 Jan 2013 :  19:59:27 Show Profile Visit melle's Homepage Reply with Quote
Great, I'll send the file when it's done.

1970 96V4 "The Devil's Own V4"
1977 95V4 van conversion project
1988 900i 8V
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ade
V4 Fan

United Kingdom
171 Posts

Posted - 24 Jan 2013 :  18:49:23 Show Profile Reply with Quote
Melle, i know very little about this, but pure copper is a very ductile material and i would expect it to creep marginally....that article mentions using copper in race engines...thing is, they get rebuilt so often that creeping over time may not be an issue...they go on to mention using either sealants or o-ring types, possibly for more "normal" usage
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melle
V4 Guru

United Kingdom
2494 Posts

Posted - 25 Jan 2013 :  18:46:46 Show Profile Visit melle's Homepage Reply with Quote
Ade, thanks for the input, I'm still studying your suggestions, would be stupid to have gaskets cut that are bound to give trouble. Does anyone here have hands-on experience with copper gaskets on a V4?

In the meantime, I've done a CAD-drawing to to have some cardboard models lase cut for test fitting:


1970 96V4 "The Devil's Own V4"
1977 95V4 van conversion project
1988 900i 8V
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James Ranaldi
V4 Guru

United Kingdom
1377 Posts

Posted - 25 Jan 2013 :  20:05:53 Show Profile Reply with Quote
Impressive
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hillbilly
V4 Fanatic

United Kingdom
225 Posts

Posted - 25 Jan 2013 :  20:41:21 Show Profile Reply with Quote
I have seen a single cylinder motor cycle head gasket made from copper, as far as I know these did not suffer from any issues.
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melle
V4 Guru

United Kingdom
2494 Posts

Posted - 26 Jan 2013 :  14:19:22 Show Profile Visit melle's Homepage Reply with Quote
Improved a bit on the previous drawing. Many of the holes in the standard gaskets I used as a model are useless, so they're left out now:

Also changed the view from 'bottom' to 'top' for clarity.

1970 96V4 "The Devil's Own V4"
1977 95V4 van conversion project
1988 900i 8V
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melle
V4 Guru

United Kingdom
2494 Posts

Posted - 30 Mar 2013 :  22:25:42 Show Profile Visit melle's Homepage Reply with Quote
@James Ranaldi: I lost your email address, please send it again, so I can send you the file. Any preference on file format?

File available to anyone interested, it will also be downloadable form saabv4.com (hopefully) soon.

1970 96V4 "The Devil's Own V4"
1977 95V4 van conversion project
1988 900i 8V

Edited by - melle on 24 Apr 2013 19:30:38
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melle
V4 Guru

United Kingdom
2494 Posts

Posted - 30 Mar 2013 :  22:34:40 Show Profile Visit melle's Homepage Reply with Quote
I'll order a second batch on Tuesday. I can offer a set of two head gaskets (93mm) and two exhaust gaskets (44mm) to UK Saabists at 46.00 (P&P included). It might be cheaper to have them cut locally though! Please note the edges are a bit rough due to the softness of the material and will need a little smoothing with sandpaper before assembly. I believe this is a quality product, but application of these gaskets is at own risk and there is no guarantee, as this offer is strictly non-commercial.

1970 96V4 "The Devil's Own V4"
1977 95V4 van conversion project
1988 900i 8V
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James Ranaldi
V4 Guru

United Kingdom
1377 Posts

Posted - 30 Mar 2013 :  22:43:41 Show Profile Reply with Quote
Game on Melle, following this one with interest. looking good. Were these laser cut or stamped out or what ? Maybe you have answered this in a previous post, I should have checked .

My email address is :- martinranaldi@aol.com

I'm not up to speed on file types but I can open Word Documents and PDF files on my
I Pad.
In school, i can open files in Inventor, IPT or IAM.
May even be able to open CAD files.

Thanks again for sharing your skills

Cheers

1968 V4, LHD
1984 99 GL
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James Ranaldi
V4 Guru

United Kingdom
1377 Posts

Posted - 30 Mar 2013 :  22:47:21 Show Profile Reply with Quote
Just found it ! !

Water jet cut

1968 V4, LHD
1984 99 GL
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melle
V4 Guru

United Kingdom
2494 Posts

Posted - 24 Apr 2013 :  19:30:02 Show Profile Visit melle's Homepage Reply with Quote


I have two sets left, email me at saabv4[at]saabv4.com if you're interested, they're 46.00 posted per set. I have a UK bank account for payment.

1970 96V4 "The Devil's Own V4"
1977 95V4 van conversion project
1988 900i 8V
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72sonett3
V4 Fanatic

Spain
220 Posts

Posted - 01 May 2013 :  16:56:25 Show Profile Reply with Quote
quote:
...note the edges are a bit rough due to the softness of the material and will need a little smoothing with sandpaper before assembly.
Also, do not forget to take the plastic sticky foil off...

I have several more of these sets available, pm/mail me if interested.

--
'72 97
'77 96L conv.
'79 96GL (LPG)
'91 900i 2.1
'95 900SE conv.
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rsimps
V4 Guru

United Kingdom
1616 Posts

Posted - 15 May 2013 :  12:29:06 Show Profile Reply with Quote
You need really flat ground surfaces to use copper head gaskets, so they probably wont work on a std engine block thats just wanting a head skim and a new gasket. Bores really arnt that hard to open up being copper, so I would go for the std size and clamp the drill and a big flapper wheel in a vice and open up to a scribe line to suit larger bores.
Do you really want 1mm? I ask as a normal gasket is around 1.2 and most people wanting these will have pinto pistons on 1700cc cranks, these come above the block and the combination gives you about 0.6mm squish, which is close as it is.
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