Originally Posted by Hotrod Lincoln
Temperature is irrelevant- - - -what you need is exhaust gas volume to push the flap open once the spring tension relaxes. Unless you're willing to rev the engine up to highway cruise speed in the shop,
THE
VALVE
WILL
NOT
MOVE!

Jerry

Thanks Jerry , good information to know. Happy New Year!

Ron - - Dusty53
1954 Chevy 3604
In the Gallery Forum
"You can't dance with the Devil and then wonder why you're still in Hell."
"They will forget what you've said, and they will forget what you have done but they will never forget the way you made them feel."