I run B100 in my '95 E300D about 8 months out of the year. The other 4 months I run around B50 due to colder weather. Since the cetane rating of biodiesel is quite a bit higher than most dino diesel that I can buy at the pump, I know that retarding the injection pump timing a couple degrees will give me a more efficient, cleaner, and powerful combustion. Most modern diesels with electronic injection do this automatically, but our older MB diesels with their mechanical IPs can not. Has anyone experimented with ideal IP timing when running B100? Unfortunately, on my NA 606 motor I have to remove the giant air plenum and related tubing to even see my IP, nevermind adjust it. While I would love to experiment to find the right setting, it is very time intensive. If someone else has already done the legwork, I'd love to hear about it.

Thanks in advance.

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J.B. Hebert

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Current Vehicles:
'76 Ford Bronco
'78 Volvo 262C Bertone V8
'80 Alpina B7 Turbo Coupe (For Sale)
'94 Ford Explorer
'95 Mercedes E300D Sportline+