Gentlemen.

I am attempting to start an M120 engine for the first time. This engine was just installed into a 107 chassis. The engine and electrical harnesses and computers form a 1996 SL600 were installed into this 1986 560SL chassis. Friday was the first time this engine ran at all in over a year.

The computers installed are 2 ME ECUs. Basic module, Trans ETS, and ESP.
All engine wiring to computers is complete.
All transmission wiring is complete.
All ESP components except for computer and harness are NOT installed.
All four vehicle wheel speed sensors are electrically connected but NOT installed.
Evaporative Emission purge valves and system are NOT installed.
Brake Assist System (BAS) is NOT connected.
Vehical Accelerometer and fuel pressure sensors are NOT connected
Alternator is NOT electrically connected.
There is NO cooling system at this time.
The starter lockout relay is bypassed.
The Break pedal switch is jumped.

The engine at this time will start and die after about a second. The longer I let it set the longer it will run after started. I got about 2 seconds out of it this mornings first start.

Can anyone tell me what I have missing as minimum requirements for starting this engine.

M120 into 560SL (With Pictures!)

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To see my 129 parts for sale visit:
http://stores.ebay.com/The-Mercedes-SL-Store
John Roncallo

1996, had DAS system componets right? What about key authorization?

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

My understanding of this particular DAS system (Non transponder type) is that If I dident lock the car before I removed the engine, I would have left it in the authorized mode. The DAS module is not installed at this time. But If DAS was holding me back I would not be able to start it at all. It actually starts and runs very nicely for about 1 to 2 seconds. Sometimes I can rev it before it shuts down. The electronic throttles are working. It seams to be improving slowly but steadily. I'm thinking now clogged injectors as the gas used in the car previously is about 2.5 years old and the engine has not been started in 1.5 years. I have purged the fuel lines up to the rail and added 7 gallons of fresh gas with 16oz of Techron.

Thanks for the reply.

__________________
To see my 129 parts for sale visit:
http://stores.ebay.com/The-Mercedes-SL-Store
John Roncallo