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#1
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260e
I recently came into posession of a 260E for free with a motor that needs some work (it has 260K) and a new tranny. At venus-auto.com they have several MB engines for 500$. It'd be phat to have a V8 or a V12 but i don't have the money or the experience, so i want to get a straight 6 but a bigger one so i have a choice between an 86-92 300E long block and an 88-91 300SE. 1) could someone explain the difference between the two? I'm new to the MB game but i know alot about hondas and E30 M3s. 2) which engine would be best? I want to largest one as i plan to rebuild it with high comp pistons and a performance cam. 3) where can i get a higher comp pistons (like 10.5:1 or so), performance cam, header, intake, and ECU to handle all those mods (i don't want to go crazy with performance parts but i want to have an advantage on some people) 4) i want to get a manual transmission as i hate automatics, anyone know a US source for one? When i was in France alls i saw was MT MBs and in the US they're all AT, i don't get it.
Thanks for all your help in advance James |
#2
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Pat over at pgauto.com can probably get you a handle on a 190e 2.3-16 getrag box and i'm pretty sure they bolt up to the 300E engines. You'll obviously need the linkages and shifter assembly also, but he probably has those too.
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Chris - '86 w201 16v Ronal Wheels, 5speed, Sony headunit, K&N, Nology Wires http://chris.milbert.com/16vSigWheels.jpg |
#3
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the 300E engine was 12V up to 93 i think, while the CE (90 up), SE (92 and up), and SL (90 and up) were 24 V and the SE and SL class had more power. They would be better than the earlier engines. However, if you're lucky, you can find a C36 engine, far superior to all of them. Shrick makes good camshafts, apparently. Theres a website, i dunno it tho.
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#4
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whats the C36? and would the 24 valve engine drop in? that's my only complaint about MB is SOHC, but i didn't know they made 24V (i'm was BMW/Honda guy but i got a free MB)
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#5
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The 300E engine is a direct bolt-in & makes 185hp.
The 24V CIS version M104 engine made about 210hp & in the USA was only in the W124 coupe & R129 SL. IT also would be a direct bolt-in but would require some expert wiring & pluming changes. Any of the later EFI engines would require serious modification to install including all kinds of electronics. The 260E head WON'T bolt on to the 300E block.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#6
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These expert plumbing and wiring mods, would that be putting in a new radiator or what have you and wiring harness? I helped my friend swap a B16 into his CRX and it wasn't too difficult, a little frustrating at times.
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#7
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The 24V engine has variable cam timing, the original computer & wiring harness isn't designed to control that feature. HOW would you make that work??
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#8
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Get a new wiring harness and computer? harness is like 300 and computer aboot the same on ebay. youd probably want those anyhoo with the new engine. The c36 is a 104 engine with 3.6 litres used from 95-98, it changed electronics at some point I believe. Theres a guy used it in his wagon on here someplace, ask him.
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#9
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Will a manual trannsmission bolt up to the 104?
Last edited by JamesBrown; 03-31-2004 at 06:59 AM. |
#10
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Quote:
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2008 BMW 335i Coupe |
#11
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A seemingly off-topic question, but necessary to understand which fits what:
What are the basic differences between ECUs/computers of M103 and M104 engines? This including, but not limited to, which kind of sensors each of them uses, how do they interact with sensors and from them to the mechanical devices. As I've understood, both M103 and M104 E30 use a Bosch KE-Jetronic system, while M104 E32(fitted in the E320 model) and the V8 M119 model(400E model) have a Bosch LH-Jetronic system with "hot-wire air-mass sensor". From this on, I beg the specialists to elaborate... at least on the basics ~Thank you Nautilus
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1990 260E Sportline (that's 300E 2.6 for our American friends) -> sold 2001 E320 4Matic Elegance -> my Dad's daily drive 2005 Seat Leon FR 1.8T |
#12
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Actually, the M104 engines from 1993 to 1999 are HFM systems, not LH. Instead of "hot wire", they are "hot film".
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Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron". |
#13
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later model (hfm and lh) injection used electronics to decide how much fuel would be injected.
earlier (KE jetronic) used a mechnical setup to determine fueling needs. basically, the movement of the airflow sensor (10 in the diagram if i get it to work!!) determines how much fuel is to be injected through a pin in the fuel distributor (number 9 in the picture.)
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'O=00=O' bmw 2002. long live the legend Last edited by neanderthal; 06-07-2004 at 02:47 AM. |
#14
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Quote:
~Nautilus PS thanks for the link
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1990 260E Sportline (that's 300E 2.6 for our American friends) -> sold 2001 E320 4Matic Elegance -> my Dad's daily drive 2005 Seat Leon FR 1.8T |
#15
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like i said, in later engines the computer does everything. in earlier ones the computer still keeps the fuel pump running, can also adjust mixture through signals from the O2 sensor, ignition timing, idle control, idle compensation (when fans, ac compressor, alternator kick in and so on) and other things.
its just that the brunt of the fueling is being conducted by the mechanical system.
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'O=00=O' bmw 2002. long live the legend |
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