Man I miss hearing that klackity klackity klackity....
I wouldn't mind if it sounded like a Cummins.

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

Smooooth nailed it, the bushing on the belt shock goes bad so often on these cars. It is a $30 part and will make a heck of a lot of expensive sounding noise when the bushing gets tired.

Actually I find my SDL to be a very quite car, around town with the windows up and the climate control working the engine noise should be very low. My SDL is quiter inside then late model Honda's and Camry's. Also at idle the under body panals make a big difference, mine will be going back on once my trans leak is fixed.

A proper SDL should be quite and "fast". They are not a race car but will move right along. The 603 should rev to just shy of 5k no problem and pull strong all the way their. Usually when I get on the highway I pull away from other cars going up the ramp.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

As soon as the weather warms up run it on biodiesel. When I was coming back from Holidays on which I ran B100 all the way up and when the petro diesel that I tanked with while there was about burned up I poured in the 45 liters of B100 I took along for the trip back and the response was IMMEDIATE. The engine smoothed right out, and quieted down too. It still had that tell-tale clunking diesel sound but a smooth one.
Yoyu don't have to run B100, but you can if you want to and can make it yourself too (I do). A diesel can blend to any percentage of biodiesel without any mods needed, so it is up to you, but it does smooth it out. No loss of power or mileage, but the folks behind you may get a yearnin' for Chinese food or fish and chips ect...
Luc

sorry for taking so long to respond (out of town). i will try purging. by the way i love my diesel and i'll get use to the sound it makes. still i'm gonna try some of these suggestions just to make sure.......\

THANKS

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ez rider