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<div dir="ltr" data-setdir="false">Bob, often machine shops can install valve seats, if the current seat is cracked or too deep. Might need to do the exhaust seat at the same time.</div><div dir="ltr" data-setdir="false">JoeB</div><div><br></div>
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On Tuesday, October 10, 2023 at 04:50:16 PM EDT, Robert Lang via Fot <fot@autox.team.net> wrote:
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<div><div id="ydp30797557yiv3004158990"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;" class="ydp30797557yiv3004158990yahoo-style-wrap"><div dir="ltr">Doing a routine engine check on Sunday - found a problem with the intake valve on one cylinder. Pulled the head and valve - there's a burn mark on the back face of the intake valve. Lapped it and the seal surface looks good, did a temporary installation and leak-down check. No go, still getting roughly 40% leakdown past the intake.</div><div dir="ltr"><br></div><div dir="ltr">Drat.</div><div dir="ltr"><br></div><div dir="ltr">Spending time tonight trying to get the backup cylinder head prepped an installed.</div><div dir="ltr"><br></div><div dir="ltr">I need to make a race weekend starting on FRI (racing FRI/SAT at Thompson.</div><div dir="ltr"><br></div><div dir="ltr">On the one hand, I'm glad I found it - the engine sounded fine. But the leak-down test didn't lie. Glad I pulled it before I broke something. Hopefully, the head is salvageable. <br></div><div dir="ltr"><br></div><div dir="ltr">Regards,</div><div dir="ltr">Bob Lang<br></div></div></div></div>_______________________________________________<br><a href="mailto:fot@autox.team.net" rel="nofollow" target="_blank">fot@autox.team.net</a><br><br><a href="http://www.fot-racing.com" rel="nofollow" target="_blank">http://www.fot-racing.com</a><br><br>Donate: <a href="http://www.team.net/donate.html" rel="nofollow" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://autox.team.net/archive" rel="nofollow" target="_blank">http://autox.team.net/archive</a> <a href="http://www.team.net/pipermail/fot" rel="nofollow" target="_blank">http://www.team.net/pipermail/fot</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/jaboruch@yahoo.com" rel="nofollow" target="_blank">http://autox.team.net/mailman/options/fot/jaboruch@yahoo.com</a><br><br><br></div>
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