om314 upgrade options?
om314 upgrade options?
I recently bought a 1981 Mercedes 508d campervan project. It has a very rare om314 engine and a 4 speed manual transmission, 171 000 kms...runs like a dream, except it's reaaaaal slow.
Form the research I did on the engine I found the following:
3.8L 4cyl naturally aspirated, 80-85hp,@1800 RPM.
Direct injection, side valves, long stroke.
Considered to be indestructible: usually 1/2 million miles between rebuilds
Way more overbuilt than om6XX car engines
Question:
What can I do to squeeze more juice out of it?. I know 100+ hp factory turbo versions existed but were very rare.
If I were to install turbo in it, how easy would it be to get IP adjusted/modified to give more fuel (engine is directly injected)?
would it be safe to add more than a few psi of boost considering how beefy this motor is? I don't know if turbo versions were upgraded with stronger parts or features like piston cooling jets (similarly to om6XX) so I wonder how far I could push it.
ponkokanada
04-27-2013, 09:04 PM #1
I recently bought a 1981 Mercedes 508d campervan project. It has a very rare om314 engine and a 4 speed manual transmission, 171 000 kms...runs like a dream, except it's reaaaaal slow.
Form the research I did on the engine I found the following:
3.8L 4cyl naturally aspirated, 80-85hp,@1800 RPM.
Direct injection, side valves, long stroke.
Considered to be indestructible: usually 1/2 million miles between rebuilds
Way more overbuilt than om6XX car engines
Question:
What can I do to squeeze more juice out of it?. I know 100+ hp factory turbo versions existed but were very rare.
If I were to install turbo in it, how easy would it be to get IP adjusted/modified to give more fuel (engine is directly injected)?
would it be safe to add more than a few psi of boost considering how beefy this motor is? I don't know if turbo versions were upgraded with stronger parts or features like piston cooling jets (similarly to om6XX) so I wonder how far I could push it.
Also, I'm sure dieselmeken could do some magic with that pump to squeeze a little more power out of it, but you'll need a turbo and everything after the flywheel will need to be strengthened lol
-1982 300D Turbo, 280k miles, ALDA apparently maxxed, fram 8038, 12 lbs boost, non-egr manifolds, W/M injection, 4 brake light mod, Gen II w126 front rotors/calipers, 4-speed swap
In the works: A/W IC, adjust pump, turbo rebuild (w/60 trim comp wheel)
-1980 300SD, 110k, project car. Goal is to get it lookin' like it did on the showroom floor (body and interior wise, not necessarily under the hood )
-1974 240D, FRESH PAINT!!!!!!
sassparilla_kid
04-30-2013, 10:22 PM #5Ermagrrd, that thing is AWESOME
Also, I'm sure dieselmeken could do some magic with that pump to squeeze a little more power out of it, but you'll need a turbo and everything after the flywheel will need to be strengthened lol
-1982 300D Turbo, 280k miles, ALDA apparently maxxed, fram 8038, 12 lbs boost, non-egr manifolds, W/M injection, 4 brake light mod, Gen II w126 front rotors/calipers, 4-speed swap
In the works: A/W IC, adjust pump, turbo rebuild (w/60 trim comp wheel)
-1980 300SD, 110k, project car. Goal is to get it lookin' like it did on the showroom floor (body and interior wise, not necessarily under the hood )
-1974 240D, FRESH PAINT!!!!!!
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