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 Cracked blocks/ heads
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melle
V4 Guru

United Kingdom
2673 Posts

Posted - 09 Jan 2019 :  18:02:00 Show Profile Visit melle's Homepage Reply with Quote
Has anyone ever experienced/ heard of a cracked V4 engine or head? curiosity got the better of me when reading this thread: http://www.saab-v4.co.uk/speedball/topic.asp?TOPIC_ID=41734

www.saabv4.com

greg124
V4 Fan

United Kingdom
151 Posts

Posted - 10 Jan 2019 :  00:21:40 Show Profile Reply with Quote
The link doesn't seem to work Melle

edit: I had pop-ups blocked.

Edited by - greg124 on 10 Jan 2019 10:54:45
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Pipsovich
Starting Member

Sweden
14 Posts

Posted - 11 Jan 2019 :  21:36:24 Show Profile Send Pipsovich an AOL message Reply with Quote
The link works for me!

I will be taking the head of soon and do some NDT on it, probably using fluorescent magnetic powder. I will post some pics if i can.

Here is a link to a swedish webpage, you can see on the picture that is has a crack between the valves (although it does not say anywhere on that page that the head is a v4, but sure looks like it, and the whole page is v4-based.)

http://www.topplocksverkstan.se/bilder/projekt/saabv4/Spruckentopp.jpg

http://www.topplocksverkstan.se/projektsaabv4sid02.html

Sonett - 72
95 - 73
99 - 70
96 - 63
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kups
Starting Member

Denmark
18 Posts

Posted - 30 Jan 2019 :  21:01:40 Show Profile Reply with Quote
I have had 3-4 cracked heads, cracked twice between two valves, both were bigger valve heads, and one time crack was running on the side of the head up to the valve cover, it leaked a bit of coolant but then after some time leak stopped itself.
I belive once more it was with standard valves too, cracked between two valves. If it gets hot it might crack.
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melle
V4 Guru

United Kingdom
2673 Posts

Posted - 30 Jan 2019 :  21:16:01 Show Profile Visit melle's Homepage Reply with Quote
Interesting info kups, thanks.

www.saabv4.com
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