Replies to this message are sent to The Chevelle Mailing List ------------------------------------------------------------ I've got a 79 Elky and I have to replace the power booster. I have two options: single or dual diaphram. How can I tell what I have and why the two options? Help! Mark 79 Elky 81 Malibu 83 Lowered Wagon ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]

