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#1
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420 sel R16 Resistor pulled
Ok gang I just pulled the R16 resister on my 86 420 SEL (wrapped in tape next to brake booster). I am running Sunoco 94 in my car and I have chopped out the cat and smog pump and installed K&N air-filter from a 2005 Mustang. I didn't get any knocking or pinging but what I didn't notice is when I took it out on a high speed rip on the Queen's Way and returned home, my girlfriend was 10 years older and Hillary was Emperor of New North America!!! Ok Einstein jokes aside the car was far better off the line and felt like a new motor. Try it out.
Results may vary, if you experience head ache or allergic reaction consult a Mechanic, for this maybe a sign of fuel trouble. Don't pull resistor if your pregnant or trying to get pregnant. |
#2
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update
I will update you on how the car runs on other gas and in traffic
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#3
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Tell me more....
about this R16 resistor! What does/did it do and why does removing it help with power? Thanks,
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Dean Albrecht "Lead, follow, or better yet, get out of the way!"E500 owners motto |
#4
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It's been pretty well documented, but in my travels doing so bring the initial timing (from 0-2500RPM) up from a pathetic 2-3 degrees to 12-16 depending on the car..I like to keep it around 13 or less.
Better ignition curve, more efficient combustion = more power, better mileage...BUT you Must run premium! Jonathan
__________________
Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta |
#5
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yep its true
Ya I have a lot more snap, it feels like someone pulled a sock out of the air cleaner. Oh I removed my clutched mechanical fan and replaced it with a electric one... the car runs much quieter now. the car can rise to 88c in traffic though but not even switch on during normal running. No more giant whirrrrrr at 3000 rpm.. I will send photos.
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#6
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Nice....that sounds as it should.. You might want to get a timing light on there just to see what you're running for #'s etc..
Pulling that fan clutch is also good for a few HP...takes Energy to run that thing! Jonathan
__________________
Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta |
#7
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Energy
I put HID lights in and that saves a few watts and removed broken AC. I am looking for a newer 560 SEL or SEC, maybe another 420 SEL if you have any leads, car runs great but will cost a mint to make it look and run like I want.
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#8
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I removed mine and got pinging in my 420sel, but I also am advanced to 17 degrees at idle. I'm not sure how to retard it to 13 though. Any ideas?
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1984 300SD Orient Red/ Palomino 1989 560SEC 2016 Mazda 6 6 speed manual 1995 Ford F-150 reg cab 4.9 5speed manual |
#9
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A two inch piece of speaker wire b/w the terminals gave me a few degrees retard on one of my 560's.
It's all based on resistance as to how many degrees you get. Jonathan
__________________
Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta |
#10
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the word
I heard you can order various ones from the dealer... R16 resisters that is, I am running 94 octane which seems to help. Try switching gas brands first. I found BP in the US was good. Maybe shell?
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#11
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I have it pulled on my TE.
Seat of the pants detector says that it pulls more smoothly off the line.
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-Justin 91 560 SEC AMG - other dogs dd 01 Honda S2000 - dogs dd 07 MB ML320 CDI - dd 16 Lexus IS250 - wifes dd it's automatic. |
#12
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Yup...you can, or get resistors from Radio Shack.
Only gas I Won't run is Exxon/Mobil....but that's more a personal thing.. Jonathan
__________________
Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta |
#13
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Ya I agree
I am buying a 93 TE in a week or so. Any advice? See the electric fan in the pic and the K&N air filter, made a difference
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#14
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Quote:
Easy to get a dial potentiometer and solder into the socket wires. This way you can dial up the advance/retard depending on what performance or economy you're looking for. I never noticed much of a difference in my stock 1988 M103-12V with the resistor removed. I removed the R16 after the twin turbo install and it feels like a bit more power in the higher rpm range....
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http://i19.photobucket.com/albums/b1...c/GOWIDE-1.jpg 1971 280SL ROADSTER 1988 300CE TWIN TURBO WIDEBODY 1994 E320 CABRIOLET 1999 C43 AMG 2005 G55K AMG 2008 CLK63 AMG BLACK SERIES |
#15
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Interesting...the R16 only has an effect on 0-2500RPM's...after that the EZL takes over.
Jonathan
__________________
Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta |
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