Has anyone had to deal with a stuck plug in the bore to access the mixture screw? I'd like to adjust mine and I think I might have to drill the damn thing out. (disassembled of course)

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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FACEBOOK: PANZER450

you can't drill the ball. it's hardened steel to prevent that. mb sells a kit with a new tower and screws. you drill out the mounting bolts-or, you measure down from the top 10mm and cut the top of the tower off. this assumes emmisions inspection won't fail you for this UNAPPROVED procedure. you didn't see me post this. good luck, chuck.

is factory set and should never need to be adjusted so long as the fuel distributor is not changed. Almost all that attempt to do so end up in more trouble than they started.

Take a thin cut off wheel and make a vertical notch about 10mm in the tower at the top. This will let you get a pick under the plug and pop it up.

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90 300TE 4-M
Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197° intake cam w/20° advancer
Tuned CIS ECU
4° ignition advance
PCS TCM2000, built 722.6
600W networked suction fan
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff

It isn't a threaded set screw with a slot in it?? because this is..
and I don't have to worry about emissions regulations

__________________
RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

____________________________
FACEBOOK: PANZER450