---------------------------------------------------------- Engines-List Digest Archive --- Total Messages Posted Sat 12/31/05: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:14 AM - Re: heat shields (Dww0708@aol.com) ________________________________ Message 1 _____________________________________ Time: 08:14:42 AM PST US From: Dww0708@aol.com Subject: Re: Engines-List: heat shields --> Engines-List message posted by: Dww0708@aol.com If it leaves a burn spot( discolorations) it is too close. TSO C51 Teflon should not deteriorate with elevated temperatures, You know a hose is ruined when it is crunchy when you squeeze it with hand pressure ( comes off on your fingers ). Should be able to pass appropriate size ball through hose to assure that interior has not be affected by anything. Just my opinion David