I ruined my valve seats with unleaded (and high revs) but I am not sure if
the head was seated in rebuild (about 20 years ago) with bronze / aluminium
bronze seats. Today I use sodium / potassium based substitute. A small
bottole for about 1000 litres gaso costs as much as one litre petrol (one
euro/us. dollar).
Larry
----- Original Message -----
From: "jumpinjan" <jservaites@woh.rr.com>
To: "Bill Laucher" <blaucher@houston.rr.com>
Cc: "Alpine MailList" <alpines@autox.team.net>
Sent: Tuesday, August 06, 2002 3:05 AM
Subject: Re: Fill 'er up!
> Bill Laucher wrote:
> >
> > Someone told me a while back that I should add a lead substitute to
today's
> > unleaded gas to preserve the valves and head that were made for use with
> > leaded gas. At the corner auto parts store, I find only octane
boosters.
> > Do I need this or a true lead substitute? Or are they the same thing?
Or
> > just use premium gas? Am I just avoiding ping, or is there more to it?
> >
> > Bill Laucher
> > Series V heart in a Series IV body
> > SAOCA Charter Member #0042
> > Houston, Texas
>
> Bill,
> All Alpines have steel valve seats, so you don't need to worry about
> lead additives. You won't hurt anything running unleaded gas.
> Jan
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