Reading the hardened valve seat thread got me thinking about leaded vs unleaded gasolines.
What is the impact of using todays 90+ octane unleaded gas in the older high-compression engines? Are octane booster additives needed for the older high compression engines (351 / 428 / 429 ) ?
Thanks.
Who owns the rights to the 'Boss' name ?
Is it Team Shinoda or Ford ? I was hoping Ford would resurrect the 'Boss' as a future high hp option, but if Shinoda owns the name, well ...