Classic Mercs are very tempting, but will they run on unleaded or do they need expensive head work? The ones I have in mind are:
300 SEL 6.3
280 SL Pagoda
Any ideas on how much it would cost to convert to unleaded if it needs to be done?
300 SEL 6.3
280 SL Pagoda
Any ideas on how much it would cost to convert to unleaded if it needs to be done?