Quote:
Originally Posted by JohnA
It could be that the valve seats will be damaged without the lead content. That is on top of any damage due to the lower octane levels.
If you don't use lead substitute, it might be a good idea to run a tank full of leaded fuel every so often. That's what older European cars had to do when unleaded was phased out.
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Thanks John. Keep in mind that 91 octane is the highest that is readily available in Colorado, US.
Yeah I might just run the lead substitute to add the layer of protection. It's not all that expensive, just very polluting.
-Craig