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In a message dated 2/11/02 1:31:03 AM Eastern Standard Time, [EMAIL PROTECTED] writes: > For us uninitiated, what do you mean when you say, > "Your valve stems, guides and spark plugs will thank you."? I'm currently > using 100LL with TCP additive in my Forney's C-90 because I don't trust the > auto > fuel available in my area. What is your opinion? My opinion is that the lead in 100LL is responsible for a lot of the valve sticking problems small Continentals seem to be so prone too. Deposits on the valve stems cause erosion of the business end of the valve guides, and the resulting excess clearance provides the room for the deposits to get in and jam the stem. Interestingly enough, if your guides are eroded and you switch to Mogas, the valves can close crooked and your compression tests will net erratic results. Also, the lead can contribute to plug fouling. Plugs that see only Mogas are deposit free. If you are not comfortable with Mogas, then using TCP is the right thing to do. Meanwhile, keep hoping for 82UL or the return of 96 avgas. John ==^================================================================ This email was sent to: [EMAIL PROTECTED] EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Sid.bAhN69 Or send an email to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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