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To use lead substitute or not?
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aaronsinthegarage
Posted 2019-07-22 8:33 AM (#585084)
Subject: To use lead substitute or not?


Member

Posts: 19

Location: Norfolk, VA
Just a quick question. Does anybody recommend using a lead substitute in their gas? If not, is there a particular octane that I should be using? It's for my 61 Fury with 38K. Thank you.
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60 dart
Posted 2019-07-22 3:50 PM (#585096 - in reply to #585084)
Subject: Re: To use lead substitute or not?



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i use 93 sunoco ,,,,, in everything! ----------------------------------------------------later
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Viper Guy
Posted 2019-07-22 4:39 PM (#585097 - in reply to #585084)
Subject: RE: To use lead substitute or not?



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aaronsinthegarage - 2019-07-22 7:33 AM

Just a quick question. Does anybody recommend using a lead substitute in their gas? If not, is there a particular octane that I should be using? It's for my 61 Fury with 38K. Thank you.


I use it all the time in my '59 DeSoto and never had an issue. Can't tell if it's really of any value but since I've never had a problem, I'm convinced that it is probably better than nothing. I think of it a a precautionary measure.
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1960fury
Posted 2019-07-22 6:18 PM (#585104 - in reply to #585084)
Subject: Re: To use lead substitute or not?



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I drive with my "special blend" since the mid 90s, or longer. I drive a lot and the engine (very high mileage) still runs without noises and trouble free. Keep in mind, it is not only the valve seat that is lubricated, it is he valve stem and the piston rings/walls too. So yes, always drive with some kind of lubricant, even if you have hardened valve seats.

Edited by 1960fury 2019-07-22 6:20 PM
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Phil_the_frenchie
Posted 2019-07-23 10:52 AM (#585132 - in reply to #585084)
Subject: Re: To use lead substitute or not?



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Never use any lead substitute since 2001 in my '57 Hemi ....
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mikes2nd
Posted 2019-07-23 12:46 PM (#585138 - in reply to #585084)
Subject: Re: To use lead substitute or not?


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Nope, pointless waste of time and money.

This was proven with mail trucks... They ran them 500k and it only produces slightly more wear... if your running 500k then think about it, but your rings will wear out before that.
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