>In a stock setup, the air cleaner assembly is proper for your engine's >requirements. Now, the ifs start. My '73 was stock and it ran out of air at higher RPMs with the stock air cleaner. No dyno was needed for that test.. The difference with the air cleaner on and off was like night and day on that vehicle. The only thing I could figure was they went to far trying to silence the intake noise. Steve B. -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.7.0 - Release Date: 1/17/2005 ----------------- http://www.imperialclub.com ----------------- This message was sent to you by the Imperial Mailing List. Please reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be shared with everyone. Private messages (and attachments) for the Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm