m601 can it handle a turbo? - PeachParts Mercedes-Benz Forum

emil_190 · #1 06-16-2009, 01:40 AM

hi i have a 84 190D whit the m601, im thinking about putting a turbo on it what do u guys think will it kill the engine?

pawoSD · #2 06-16-2009, 01:53 AM

Engines that don't have a turbo to begin with, were not designed to have one added later.

Its not a good idea. Besides, its unlikely that the fuel injection pump would even be able to supply additional fuel relative to the increased boost/air (so no extra power)....so it'd be pointless and just wreck the engine. If you want a turbo, sell the car and find a 190d 2.5 turbo.

Turbo engines have numerous modifications and strength enhancements to be able to withstand the extra forces and power output.

ds190 · #3 06-16-2009, 10:18 PM

Agreed- added turbo will kill.

But since you ask, I wonder what would go first- headgasket, piston/rings, or valves?

pawoSD · #4 06-16-2009, 10:47 PM

Quote:

Originally Posted by ds190

Agreed- added turbo will kill.

But since you ask, I wonder what would go first- headgasket, piston/rings, or valves?

I'd bet on headgasket or valves. Turbo valves are sodium filled to dissipate the extra heat better.

sethyboy85 · #5 06-16-2009, 11:03 PM

bah! those silly little VW's go Turbo from NA and many have lived long lives- already having many miles on them.

If I could find intake/exhaust turbo manifolds with a good turbo I would slap them on my 602 and enjoy the +8hp it would make. Not to mention the better highway cruising, of course I would keep it below 1150F (Present EGT temp I hit absolutely keeping it to the pedal for over 5minutes which is never necessary

... )

emil_190 · #6 06-17-2009, 04:49 AM

thank's for the advice's, i can't sell my car cause i love here to much

, any other ideas on how to get some more power out of this engine?

Gene Horr · #7 06-17-2009, 12:20 PM

From what I remember on the 5 cylinder NA the main issue was piston cooling. The turbo model(s) were designed with better oil flow to handle the higher combustion temperatures. I would assume it is the same issue with the 4 cylinder model(s).

Regardless of the cause, from everything I've read you will ruin the engine as everyone else mentioned.

As to power first do all the standard tuneup items. Fuel fitlers and lines, valve adjustments, timing, ...

pawoSD · #8 06-17-2009, 12:40 PM

I never understand why people buy the tiny motored diesels and then want to "try and get more power out of them". If more power is what you wanted, why didn't you buy a GAS MB to begin with? They can be had even cheaper than the diesels, and are really fast! I drive diesel because I like the durability, reliability, simplicity, efficiency and sound. If I want to go fast I'll drive the gasser. But since going real fast = jail....there's not much point in general.

yellowbenz · #9 06-17-2009, 10:36 PM

Quote:

Originally Posted by emil_190

thank's for the advice's, i can't sell my car cause i love here to much

, any other ideas on how to get some more power out of this engine?

Get a 5 speed. That car with the five speed was quite quick. At least compared to my 240D

rwthomas1 · #10 06-17-2009, 11:29 PM

Quote:

Originally Posted by sethyboy85

bah! those silly little VW's go Turbo from NA and many have lived long lives- already having many miles on them.

If I could find intake/exhaust turbo manifolds with a good turbo I would slap them on my 602 and enjoy the +8hp it would make. Not to mention the better highway cruising, of course I would keep it below 1150F (Present EGT temp I hit absolutely keeping it to the pedal for over 5minutes which is never necessary

... )

Finally, someone else that gets it....

Putting a turbo on an NA engine will not necessarily "kill" the engine. An NA engine MAY or MAY NOT have the requisite parts to provide durability with a turbo installed and the power turned up to allow the turbo to give all it can. That said, a turbo'ed NA engine can last just fine provided you pay attention to operating it and not push it too hard/drive conservatively.

Provided you keep the EGT's in check, a reasonable safe limit would be 1100*F pre-turbo, carefully monitor coolant temps and use synthetic oil, there should be no issues at all. Sure, it won't make as much power as the engine that was designed for turbocharging but it will do better than the NA version. Only the owner can decide if the time/effort/aggravation is worth the limited return potential.

Obviously the pump would need to be turned up but if you didn't know that then you shouldn't be trying this anyway.

I know if I had an nice NA car and a complete turbo parts car I wouldn't hesitate to do it, with full gauges and a careful right foot.

RT

emil_190 · #11 06-18-2009, 12:43 AM

i got this car as a gift, after it save'd my life a few time's i started to like her if it were up to me it would have a gas engine but here i can't do a legal diesel to gas change. I was thinking of replacing the internals whit the 2.5 turbo does anyone now if they fit,i think they should as it is the same engine + 1 cilinder, i would realy need some advice from guys who tried to do some thing like this . thank's o yeah and i already have a 5 speed and did all the regular stuff (filter....)

Actros617 · #12 06-18-2009, 01:39 AM

Also to add, turbodiesel engines has oil cooling jets that cools down the piston, so placing a turbo would be a risk. I not saying that a NA cant handle a turbo, it can but you have to have a low boost turbo just to be on a safe side...

bigblockchev · #13 06-18-2009, 08:58 PM

A bit of common wisdom is that you can have fast, cheap and reliable any two of the three. In my opinion having said that, if you keep to a modest power increase of maybe 20-30% ie less than 10Psi boost you will probably only shorten the life of the engine a bit. Heck if guys with turbo engines can double their boost from stock without killing their engines then surely the NA ones can stand a bit of boost for short periods. As others have indicated keep your eye on EGTs. Cheers Dan

Simpler=Better · #14 06-18-2009, 10:18 PM

Properly inter cool it and add a fail safe system.

My EGT gauge has output to trigger a relay when it hits a specific temp; you could tie that to the EGR and a vacuum solenoid, acting as a temperature-activated wastegate.

If you do turbo it be sure that:
An adequately sized inter cooler is installed
A straight-through exhaust is installed(drops temps 100*-200* from mufflered exhaust)
Boost, Exhaust PSI, and Exhaust temp gauges are installed in plain sight.

85300DT · #15 06-18-2009, 10:34 PM

Intercooler is a must. EGT a must. Additional external oil cooler as well. I've done 4 VW n/a to turbo conversions. As long as you don't go crazy with fueling and keep your EGT's within reason, it will last..