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#1
12-27-2005, 06:02 AM
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M104 (3.6amg vs. 3.6brabus vs. 3.2(stock))
Well, I am planing to tune up my stock E320 so..I figured What is different in thos engines ,listed above?
How difficult for me is to make an 3.6 engine replica(amg/brabus) form my stock 3.2. What exact parts would I need? Thanks for any info & sorry for bad english. Allar @ stock 3.2 
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#2
12-28-2005, 06:10 PM
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Well I've got an M103 Brabus, the bottom ends are the same I believe and the top end work would be very similiar. I have period articles so I know what's been done. Forged internals have replaced the original Mercedes items (pistons, conrods and crank) accompanying a bore and stroke increase. The head has been gas flowed, as have the inlet and exhaust manifolds I believe. The camshaft and valves have been reprofiled along with the valve seats. The camshaft has been reprofiled too and the hydaulic tappets replaced with manually adjustable ones. The compression has been raised to 10.2:1. Result is power up from 188BHP to 245BHP and torque up to 220lb/ft. The M104 Brabus kicks out 272BHP I think. In one of the Merc forums there's a dude with an M104 3.6 190E!
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#3
12-29-2005, 02:49 PM
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Quote:
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#4
12-29-2005, 11:21 PM
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Brabus didn't offer a 3.6L but they did offer a 3.0L turbo. I'm pretty sure they would have tested a 3.6L biturbo but the fact they didn't offer it suggests that it's mre trouble than is worth considering, only my 2 cents though.
As for the ECU it has been modified by Brabus by means of a piggy-back module which takes over at full throttle I believe. they ignition selector code (not sure if you have this in the US) has been changed to N for advanced timing, more power 
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#6
12-31-2005, 12:12 AM
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I think Brabus used manually adjustable tappets (as opposed to the M103's self adjusting hydraulic ones) to tune the maximum power out of the engine. Perhaps it this was necessary to advance the timing code to 'N' seems to make sense. It gives the engine a lovely gruff straight six noise on acceleration
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#7
12-31-2005, 01:27 AM
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Solid tappets are like solid lifters in the American V8's. They give the valvetrain more accurate valve timing for better performance. Mercedes went with hydraulic tappets because they don't require periodic adjustments like solid tappets do. Could anyone here supply me a drawing of how the Brabus retrofit to the rockers works? I am very interested in making this modification on my turbo M103. I have seen pics of the lock nut and set screw but I don't know what they have in place of the hydraulic unit. If these parts are still available from Brabus, who would I contact?
Thanks! Adam
__________________
Current Stable: 01 ML55 AMG 92 500E (a few mods) 87 300E (lots of mods) 00 Chevy 3500HD Diesel Box Truck 68 18' Donzi Marine 06 GT i-Drive7 1.0 Mountain Bike (with GPS! )PREVIOUSLY OWNED:83 300SD, 87 420SEL, 88 420SEL, 90 420SEL, 86 560SEL, 86 190E 2.3-16V AMG, 94 E320 
Last edited by 300EVIL; 12-31-2005 at 01:41 AM.
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#8
12-31-2005, 02:08 PM
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Hi Adam. I've attached a picture of an M103 Brabus head showing the rocker, manual tappet arrangement. I'd imagine if you phone up Brabus and tell them that you have an M103 Brabus and want all 12 rocker arms complete with tappets they'll supply, they'll be $$$$ though
 ! I know because my headgasket is like ~$800!
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#9
01-09-2006, 02:39 PM
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Assuming your E320 has HFM, then you're better off finding a used AMG C36 M104 engine, wiring harness, and computer.
You would spend over $3K just in parts to make your engine into a AMG 3.6! The 1995-1996 C36 is rated at 276 HP and 286 ft-lbs of torque. It is also HFM, so it will work with minimum fuss. HOWEVER, you will need to figure out A/C and cruise. :-) neil 1988 E36T AMG 1993 500E
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#10
01-09-2006, 03:19 PM
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Hmm, wonder where that picture came from.....
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