12-10-2020, 02:20 AM | #1 |
Senior Member
Join Date: May 2010
Location: Qld, Australia
Posts: 4,215
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Bad C69A block
I'm going to see if I can sleave this bad bore ,A question for the rebuilders here, when I put the step in the bottom of the bore to stop the liner against, how far up from the bottom should it be,I measured to the bottom of the water jacket on the inside by the bottom of the bore ,should I go a bit below that area, it looks like its only about 1/4 thick there through to the inside of the crankcase area.
Thanks Lawrie. |
12-10-2020, 05:21 AM | #2 |
Senior Member
Join Date: May 2010
Location: Solihull, England.
Posts: 8,750
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Re: Bad C69A block
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I've shown the process in some of my videos. For instance you can see the step in this video: https://youtu.be/fUCU3AKpEVg?start=2590 There are many others too. If you sleeve to a bore smaller than the existing bore you want it as low as possible. 2-3mm is fine. It just needs to be strong enough to resist the slam of the liner. If they go in right with a heat/freeze process they can really slam in there. Mart. |
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