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Old 07-02-2006, 06:32 PM
JohnA JohnA is offline
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Join Date: Nov 2003
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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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John

www.max-boost.co.uk
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