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#1
07-13-2008, 07:10 AM
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Nailing vs. Bio-Diesel..!!!
Folks,
A few weeks ago I went over to Maryland, filled up with Commercial, 100% Soy, B 99.9......the car took 18.1 Gallons so I figure that the final blend was close to B 90....... I have also recently overhauled the suspension of my 300D, so I decided to work the car a bit......ran around 80 to 84 mph for a couple of hundred miles. Also noted that I had to really put the pedal to the metal in an attempt to maintain speed on those long grades on I 68 (7% for 13 miles). Car ran very well, obviously there was a minimal performance drop with the B 90...but the car appeared to run a bit cooler, as well..... But....most amazingly.....my ignition knock (nailing) has vanished......I have done everything short of changing pre-chamber with little success in ending the knock......began to live with it.....and now, Poof.....it's gone.... I have no actual proof that the B 90 actually had an effect on the issue.... I can only think that perhaps the use of B 90+ has managed to clean up some lingering carbon deposits....... Just thought that someone would be interested in this.... SB
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 Diesels: '85 300D, "Max, Blue Benz", 155K, 27.0 MPG '84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG '77 240D (parts car) '67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP) Gassers: '94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG '85 190E 2.3, 148K....Parts Car '58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG 
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#2
07-13-2008, 07:17 AM
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Quote:
The fuel didn't change anything, it masked your problem(s).
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#3
07-13-2008, 07:30 AM
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Forgot to mention, or note....
I did say a couple of weeks ago......am on my second tank of ULSD, one Exxon, and one Sunoco......
Still no nailing......and I agree that the timing could be adjusted......or maybe even the stepped camshaft key could be in order.......but I am very happy with the performance / response / fuel mileage of the 617.952 as it is, and hesitate to change anything related to timing........ SB
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Diesels: '85 300D, "Max, Blue Benz", 155K, 27.0 MPG '84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG '77 240D (parts car) '67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP) Gassers: '94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG '85 190E 2.3, 148K....Parts Car '58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG Last edited by Shorebilly; 07-13-2008 at 07:31 AM. Reason: error
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#4
12-20-2011, 12:10 PM
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Shorebilly
Gone, but not forgotten..
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