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cc:(bcc: Joseph Martelle/US/GM/GMC)
Subject: [biofuel] DD question
I have access to a generator powered with a DD 2-71. Does anyone have any
experience with this engine? I have been told it is possible to build a
muffler that will work on a DD so the neighbors are not so willing to storm
your door with sythes and torches. From my experience a DD is the best way
to turn Diesel fuel into noise.
~~~Putting a muffling devce on the intake side helps (much like the muffler on
the air cleaner of my GM 6.2L engine). A better tuned exhaust also helps.
Unfortunately noise is the nature of these two-stroke beasts, one reason why DDA
has gone to four stroke designs when Roger Penske owned it. Gov regs on noise
abatement and all. One other thing to try is to put the gen set in a shed, and
add insulation for sound purposes.JM
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