| [ Total Views: 694 | Total Replies: 5 | Thread Id: 108061 ] |
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 torana
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| posted on January 4th, 2015 at 01:15 PM |
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Cylinder head cracks - where?
hi guys, couldnt find this on the site.
wondering where the common cracks occur in the cylinder heads?
about to build a type 3 1600 motor and would like to check.
Thank you
 Muz
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cb john
Wolfsburg Wizard
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| posted on January 4th, 2015 at 03:44 PM |
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The most common place for crack is between valve seats and / or between spark plug hole and one or both valve seats..
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hus22l
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| posted on January 4th, 2015 at 05:01 PM |
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As I understand it, cracks between valve seats can be tolerated but cracks between valve seat and spark plug hole are not good. Obviously no cracks
is best! Good luck.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on January 5th, 2015 at 08:34 AM |
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Don't forget to check inside of the exhaust port.
Between the seat and where the valve guide pokes into the port.
| Quote: | Originally
posted by westi
That's mad Alan.
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vduboy
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| posted on January 6th, 2015 at 07:19 PM |
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| Quote: | Originally
posted by dangerous
Don't forget to check inside of the exhaust port.
Between the seat and where the valve guide pokes into the port.
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Bloody hell they crack there too?? How many have you seen like that Dave? I went through half a dozen s/h heads for the bosses cheap K/g motor build
and seen heaps of cracks as mentioned and just ended up buying new ones.. 
It will all be OK in the end, if it's not OK it's not the end!
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torana
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| posted on January 7th, 2015 at 04:51 PM |
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thanks for the heads-up on where to find them guys, much appreciated
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