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> Leaking valves, Ahrghhh!
post May 26, 2015 - 9:18 PM
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doory100



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My efing valves are leaking! I lapped them down to the right height as suggested by delta cams. Now after installing the valve springs I poured some paint thinner in the ports to do a leak test and the thinner is coming out through the valves and into the combustion chamber. Any thoughts?? What did I do wrong?


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post May 27, 2015 - 9:38 PM
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doory100



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Ok but should they be water tight or do they need to be run a bit first?


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Posts in this topic
- doory100   Leaking valves   May 26, 2015 - 9:18 PM
- - Bitter   Well valves don't seal 100% when they're f...   May 26, 2015 - 9:47 PM
- - doory100   that's what I thought. are you sure?   May 27, 2015 - 5:23 AM
- - Smaay   what did you set the valve clearance too?   May 27, 2015 - 9:30 AM
- - Bitter   I'm assuming you have a nice even gray band al...   May 27, 2015 - 10:58 AM
- - doory100   QUOTE (Smaay @ May 27, 2015 - 10:30 ...   May 27, 2015 - 6:46 PM
- - Bitter   Might need more than a wipe with a rag, try a spra...   May 27, 2015 - 8:11 PM
- - doory100   Ok but should they be water tight or do they need ...   May 27, 2015 - 9:38 PM
- - Bitter   I think they need to run a bit first, you've g...   May 27, 2015 - 11:01 PM
- - Box   Like already mentioned make sure all of the compou...   May 28, 2015 - 1:07 AM
- - enderswift   the pressure of compression and combustion helps s...   May 28, 2015 - 7:12 AM
- - RocketScott   They should seal, there isn't a break in with ...   May 28, 2015 - 9:05 PM
- - doory100   I lapped in new valves with a drill. The drill had...   May 28, 2015 - 10:06 PM
- - TerryE   You might want to take your head in and have it do...   Jun 2, 2015 - 1:32 AM
- - TerryE   P.S. Don't watch Youtube so much.   Jun 2, 2015 - 1:42 AM
- - doory100   the only reason for the drill was that I had to se...   Jun 5, 2015 - 10:45 PM
- - doory100   Here are some pictures of the valve stem seats. ...   Jun 5, 2015 - 10:52 PM
- - Smaay   what valves are those? they are NOT OEM   Jun 7, 2015 - 10:00 PM
- - doory100   no there not oem. Why are you jealous? Got them t...   Jun 8, 2015 - 11:31 PM


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