Quote:
Originally Posted by Dave swMN
The head from my own engine has a rough cam bearing and one bad lobe on the cam shaft. Bought a used head and cam shaft. The newer head has one valve guide that has part of it broke off (1/8 inch 1/2 of the diameter one the end away from the valve head). The motor had run with the guide broke as there is carbon build up on it.
Another problem (?) is that the broken guide slid out of the head easily and slides back in up to the retaining clip.
After reading the service manual it looks like I have a tough fix or is it no fix?
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It can be done but it's better if left to a head shop.
If the old guide don't come out clean, you could end up having to have over size guides made and you will end up taking it to ahead shop in the end and will cost you more.
If you do manage to change the guide without making a mess of it, the guide has to be reamed out to the correct size for the valve.
Re reading your post it sounds like you need an oversized guide to start with.
Hope you didn't pay to much for the spare head.
Sam.
