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#31
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One question comes to mind about the mossleman kit, in you opinion can these turbo support 400+ bhp, which is the goal ? Quote:
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190E 3.0-24v (M104 980) turbo @ 0.8 bar 1/4 mile: 2.483 / 13.540 / 175.17 km/h (street tires) |
#32
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abt the mosselman kit, well in my kit i have the KKK K16 turbos which if am not mistaken should cover you to the 400hp mark, its the intercooler that sucks but then again u can have another fitted or even better a water to air unit.
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Jay, ----------------- -1995 Blue W202 C36 AMG (M) SOLD ;( -1995 Black W140 S500 (Lady) -1992 Black W124 E300 (Dima) (Ex-Mosselman Twin turbo Kit). -1988 Black W124 300 E 4-Matic.(Nadeen) -1983 Brown W126 500SEL.(Old Lady)(Sold) -1981 Gold W123 280CE.(Dareen)(Sold) http://www.youtube.com/user/jayrasheed |
#33
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Let me explain my dyno numbers fully. The difference between stock baseline and turbo install was 30%. A Mustang Load dyno reads about 17% lower then an inertia dyno which are more common. My dyno pulls were done in a a 32C ambient. Probably pick up 3-4% power in a 7C ambient. I picked up an additional 14HP and 17lbft torque with the intake and boost piping modifications. These numbers were ascertained with a G-Tech 3 axis accelerometer. So lets calculate known rwp and convert to bhp. First add back 30% drive train loss 210HP / .7 = 300bhp 238lbft / .7 =340lbft Adjust 17% load dyno to common inertia dyno 300bhp / .83 = 362bhp 340lbft / .83 =410lbft Compare to a newer CLK55 ( 5.4L AMG NA ) with published 362bhp / 376lbft ( and much less drive train loss ! ) in a lighter chassis and you'll see my performance is fairly close. The CLK55 will probably be faster top end, but I wouldn't be far behind !!!
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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 |
#34
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As interesting as all of this is I was wondering how to get back to making say 350-400 hp on the race track as the question was. I think that 7-9lbs of boost on race gas or e85 could be sustained without much problem. I have run 9lbs of boost on 10:1 compression m104 for in excess of 60,000 miles. I broke the ring lands when I had a fuel supply problem come up. That motor had started to show signs of cylinder wear in that the the crosshatching was worn off.
I cannot see going to the expense of running twin turbos. A properly sized turbo which is the question will supply plenty of low end power. I do not imagine that there will be a need for lots of power under 3000 rpm on a road track. I make tons of power down low that cannot be used with street tires, but once up into 2nd and above there is no real traction problems. For fuel ratios, if you run lean for a couple of seconds thats one thing but for long term course racing you will burn down. Dragsters run in the 12.5:1 to 13:1 ratios but for seconds. Coarse racing requires more fuel for cooler temp. I would not go above 12:1 for this application. If you are running e-85 or alcohol then you need to be 10:1 or lower. As far as longevity is concerned who cares. A 103 engine costs about $300 and takes about a day to replace while drinking a lot of beer. Last edited by whipplem104; 11-26-2008 at 03:19 PM. Reason: forgot |
#35
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At low boost levels, mainly just below 0.5 bar (abt 7 - 8 psi) u should be able to run a bit lean with no issues, my engine now has 236k miles on it still on its original internals. Its already covered over 12000 miles with turbo installed.
I know M103 aint that expensive but still its an amazing engine.
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Jay, ----------------- -1995 Blue W202 C36 AMG (M) SOLD ;( -1995 Black W140 S500 (Lady) -1992 Black W124 E300 (Dima) (Ex-Mosselman Twin turbo Kit). -1988 Black W124 300 E 4-Matic.(Nadeen) -1983 Brown W126 500SEL.(Old Lady)(Sold) -1981 Gold W123 280CE.(Dareen)(Sold) http://www.youtube.com/user/jayrasheed |
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