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#1
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unleaded or premium unleaded?
hello to all...
what do you put in a 72 280SE 4.5 V8??? should I use additives? can I use regular or mid-grade unleaded? HELP!!! |
#2
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MB has recommended "90-91 octane fuel for the "pre-catalyst" cars that have Valve adjustment. Your car falls into that catagory. They also recommend valve adjustment (check clearance) every 6,000 miles.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
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