OK, this is assuming that you don't have the no
lead head on this car and thats why you need to add
a lead substitute?
Otherwise, why? And what would the avdantage be?
Q
At 03:19 PM 6/23/97 -0700, EMILY COWEN wrote:
>Hi Jeff!!
>
>On Mon, 23 Jun 1997, Editors, Molecular Vision wrote:
>
>> Will they tolerate the use of a lead substitute? I just bought a '65
>
>I just don't know. I do know that there is more than one accepted type
>of lead substitute on the market, so one person may report poor results
>with a lead substitute, while another person will have success, but be
>using a different chemical without knowing it. Like comparing apples,
>and oranges... both good to eat, but that's about all that's common.
>
>> Sprite. The PO, who was a good PO, always used a lead sub and suggested I
>> do the same. I'm thinkking of changing to sport coil and Pt plugs.
>
>You know, there's been a lot of controversy re the function of lead, and
>the required amount of it in your fuel. It turns out that valve
>recession is 99.99999% dependant upon engine duty cycle. In other
>words, if you've got a car-port queen, you don't have to bother with a
>lead sub., but if you've got a hwy daily driver (over 55 mph), then
>you'll have to do something to help your valve seats live. It's all
>dependant on the temp that the exhaust valve has to work at..
>
>>From a number of studies done on marine engines, it has been determined
>that your engine needs less than 10% of the lead level in the fuel that
>used to be provided. Apparently, the other 90% was used to increase the
>octane rating of the fuel; another subject entirely.
>
>> Jeffrey H. Boatright, PhD '65 Sprite Mk III (funfunfun)
>> Editor-in-Chief, Molecular Vision '47 Cessna 140 (in pieces)
>> http://www.emory.edu/molvis '87 Horizon (pick-up with full cab)
>
>TTUL8r, Kirk Cowen (who can't handle reading glasses and contacts, let
> alone "Molecular Vision" [what is MV?])
>
>
>
--
Jay Quinn - Systems Engineer
jpquinn@cyberramp.net
htp:\\www.cyberramp.net\~jpquinn\index.htm
'62 Healey Sprite MKII HAN6L2874
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