I just bought a 1985 300SD and the acceleration between 20mph to 40mph takes anywhere from 15 to 25 seconds.
Is this just something I have to live with or can I improve the acceleration?
Also, does anybody know where I can get seats or maybe a cheap way to rebuild the springs? The previous owner must have had a heavy left hind-quarter.

For the acceleration, clean the banjo bolt and alda boost lines. (Rear of intake to firewall to alda, mounted on the IP) It sounds as if they are completely clogged or the line may be broken.

For the seats, you probably have broken springs. Salvage is the best place and (BTW, the seats are interchangeable) or for new: www.worlduph.com is a source.

__________________
Sam

84 300SD 350K+ miles ( Blue Belle )

Many thanks, Sam.

Search this forum for threads related to "swimming pool noodles". I'm not sure if it's in diesel discussion or general Tech discussion. People stuff these between the springs as a cheap way to "rebuild" the seats.

__________________
1987 Mercedes 300D ~200K (Greasecar & Biodiesel)
1993 Ford F-250 7.3 IDI diesel 165K (Biodiesel)
1996 Thomas/International Bus with DT466 engine

I hate to reveal my ignorance, but where are the banjo bolt and ALDA lines?

also check the hose between both sides of your turbo, its prone to breaking at the clamps after years of oil saturation.

banjo bolts are at the rear of the intake manifold and at the alda on top of the injection pump, its the hard yellowed plastic line.

__________________


1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

wow, blast from the past with this bump...

__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

I was not even a Member at that time.
For loss of power issues:
DIY Repair Links
DIY Links by Parts Category - PeachParts Mercedes ShopForum
PeachPartsWiki: Do It Yourself Articles - Mercedes Vehicles

__________________
84 300D, 82 Volvo 244Gl Diesel