BenzWorld Junior Member
Date registered: Nov 2006
Vehicle: 1976 300d @460k
Location: Ann Arbor, MI
Mentioned: 0 Post(s)
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if she requires testing you just has to meet the specs for the year she was manufactured. my 76 300D would need to meet diesel emmisions stardards for 1976, seeing that it has no emmisions controls i'm assuming they are very lax. michigan no longer tests but if you want to get her in tip top shape you will need to do a molly injector purge, just search the forum, check your timing.
when i has gravity remove my exhaust for me i accidently stood the muffler up on end as i dodged traffic. i noticed a sizable 30 years worth of soot plume out. its worth a good shake if its removed from the vehicle. running on B20 will cut your emmisions by about 15% save for Nox which will remain + or - 2 percent.
make sure she is nice and warm before the test as well
how would a 70's D stack up against a modern gasser on emisions, anyone have any actual data?