On Fri, 16 Jan 1998 15:08:04 -0500 user <mikemurphy@iw1.net> writes:
>Phil,
>
>You can modify your valves or buy a lead substitute.
>Two substitutes I know of are:
> STP Lead Substitute (ST-2408A), 236ml for around $2 US.
>Distributed by =
>First Brands Corporation,
> PO OX 1911, Danbury, CT, 06813-1911
(Snip)
>From what folk have told me, lead substitute is a good idea for T series
cars or other more elderly technology but for "up to the minute", "state
of the art" "super whizz-bang" engines like those in A's and B's you dont
actually have to do anything other than fill up with premium unleaded -
certainly valve life will be shortened but how much are you driving the
car anyway? - Neither my 70 or 72 have hardened valves nor have they had
any lead substitute in many thousands of miles - the 69 (which has the
best engine by far) is unknown as its never been apart since ive had it.
I seem to recall that octane ratings are not the same in the US as other
places and the highest rating you can buy is 93 - the cars run fine on 89
or even 87 (which is the lowest rating we get around here)
I rather suspect the "serious problem" is put around by people who sell
valves and lead substitute!
Now - who has a contrary point of view??!!!
mike robson
69 roadster
70 BGT
72 roadster
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