When I was driving my Imperials as everyday cars through the middle 1980's I used an additive called Instead of Lead by Bardhal. Since then, I don't use anything but Premium Unleaded fuel. The cars are driven occassionally on combined city/country 40 trips mixing speeds of 50 through 75mph. I haven't seen any ill effects. If I was running them frequently on long distance, high speed trips, I would probably use an additive. I have heard that valve wear will occur after about 70,000 miles. At that point I am thinking it wouldn't hurt to do a valve job anyway, and while I'm at it, do it right with hardened valves and valve seats.
Paul W.
-----Original Message-----
From: YBSHORE@xxxxxxx
To: mailing-list-owner@xxxxxxxxxxxxxxxx
Cc: mailing-list@xxxxxxxxxxxxxxxx
Sent: Mon, 26 Jun 2006 21:37:03 EDT
Subject: IML: Additives
Peoples,
Is it best to run a lead additive and 93 octane or is there a better combo.
Jack
1956 Imperial Sedan w/354 and three speed Torqueflight
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