Tim Hickey wrote:
>
> Are you guys running Unleaded gas in your engines? I thought that these
> machines required lead for the lubracation of the valves. I have a 74 tr6
> under reconstruction. Two years ago I rebuilt the engine, and wanted to
> have hardened seats put in the head. The local shop said that there was not
> enough room to machine a recess for hardened inserts. So nothing was done.
> Did I miss an opportunity? Do I need to run a lead substitute?
>
> Thanks..
>
> Tim Hickey
I ran unleaded in mine for eight years. I only adjusted valve clearance
once, so seat recession obviously was not a problem, and compression
when I sold the car was 160 lbs+_5
Stu
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