a friend said check the frequency valve. what is it and what does it do- could not find it in the bentley ken 93 LX 5.0 85 Wolfie 8V (very very sick) 89 Grand Am (awaiting transplant) - -- To subscribe or unsubscribe, send email to scirocco-L-request@scirocco.org, with your request (subscribe, unsubscribe) in the BODY of the message. ------------------------------