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#16
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Why would it suddenly stop idling?
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I suggest we solve high gas prices with environmentalists... unfortunately they don't burn well. 1982 300CD, 220K miles: This vacuum system will be the death of me yet! (OBK #26) 1977 F150 400 C6 2wd, 10.2 sec 1/8 mile with 2.75 gears. 1965 Mustang. Mostly stock... LOL! 2001 Ram 2500, cummins, 5spd, 202k miles.(girlfriends) |
#17
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#18
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I was going rpm alone for simplicity. Lol, I'll bet you're right, it will be harder than I think.
I see, at which point you'd have to fully understand the working and interrelationship of the IP adjustments to lean it at idle only. I don't believe I've met anyone that knows that, let alone myself. I'm guessing it involves the course idle adjustment or torque control, both of which no one advises you touch.
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I suggest we solve high gas prices with environmentalists... unfortunately they don't burn well. 1982 300CD, 220K miles: This vacuum system will be the death of me yet! (OBK #26) 1977 F150 400 C6 2wd, 10.2 sec 1/8 mile with 2.75 gears. 1965 Mustang. Mostly stock... LOL! 2001 Ram 2500, cummins, 5spd, 202k miles.(girlfriends) |
#19
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Correction the stock pump is good for 200-225 ftlb and maybe 150hp! with the correct motivation (VVT, IC, and Myna) there is no a priori reason 200hp and 300ftlb are unattainable. How to do it is another question...
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------------------------------------------ Aquilae non capunt muscas! (Eagles don't hunt flies!) 1979 300SD Black/Black MBtex239000mi 1983 300TD euro-NA. White/Olive Cloth-MBtex 201000mi. Fleet car of the USA embassy in Morocco 1983 240D Labrador Blue/Blue MBtex 161000mi |
#20
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However, a 3.9L 4-banger Cummins would be great. With a "hood scoop", it would be a snap to fit one in a W123. They have the same 120HP as the stock 617 but about twice the torque. I've seen them "bombed" into the 300HP range with FAR less effort than a 617 would need to do the same. |
#21
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Purchase a 1986-1987 300D, this will accomplish two things:
Gives you a better engine to start tuning with. Out of the box you are already making more power. Secondly it gives you a W124, this is a plus because of the aftermarket. You can add things like bigger sway bars, larger brakes ect ect. You can really tune one.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#22
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Yeah, but at what cost? 123 looks better...
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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 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#23
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A 300D wasn't sold in the US in 86.
Sixto 93 300SD |
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#25
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For the sake of nitpicking...
In the US, the OM603 was only available in a W124 chassis for "model year 1987". However, many 1987 300Ds were manufactured and sold in 1986! |
#26
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Though, if you want to make it really simple... there's a mechanical arm that must be pushed or pulled. There's also a pressure limit you want to set. The correctly sized pressure actuator would move that arm as soon as you pressure limit was hit, reducing blade angle, and limiting boost. With a little dampening perhaps, the turbo would spool quickly up to XX PSI and hold that pressure throughout the rpm range. The only problem being if there is a failure the turbo would default to closed. So you'd have to have a overboost protection system... kinda like the Mercedes overboost protection system. The downside would be a slight exhaust restriction... which may or may not be worse than the current turbo. Oh, and the uncertainty of what the IP does when you have full boost and low throttle position.
__________________
I suggest we solve high gas prices with environmentalists... unfortunately they don't burn well. 1982 300CD, 220K miles: This vacuum system will be the death of me yet! (OBK #26) 1977 F150 400 C6 2wd, 10.2 sec 1/8 mile with 2.75 gears. 1965 Mustang. Mostly stock... LOL! 2001 Ram 2500, cummins, 5spd, 202k miles.(girlfriends) |
#27
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#28
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__________________
------------------------------------------ Aquilae non capunt muscas! (Eagles don't hunt flies!) 1979 300SD Black/Black MBtex239000mi 1983 300TD euro-NA. White/Olive Cloth-MBtex 201000mi. Fleet car of the USA embassy in Morocco 1983 240D Labrador Blue/Blue MBtex 161000mi |
#29
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#30
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Great link. Lots of food for thought there.
__________________
I suggest we solve high gas prices with environmentalists... unfortunately they don't burn well. 1982 300CD, 220K miles: This vacuum system will be the death of me yet! (OBK #26) 1977 F150 400 C6 2wd, 10.2 sec 1/8 mile with 2.75 gears. 1965 Mustang. Mostly stock... LOL! 2001 Ram 2500, cummins, 5spd, 202k miles.(girlfriends) |
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