Tuning ml430

Pirate1923

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as above enything help her breath ,exhaust,remap ? Thoughts please
 

Craiglxviii

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Not much to do to the M113 NA engine. A remap will add 15-20bhp and 20 torques. Secondary cats delete will add 8-10bhp. The engine is pretty clean as is but the non Kompressor engines are very “lazy”.
 
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Pirate1923

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Thank you as I thought
 

Craiglxviii

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I have the same quandary with my CL. Remap and secondary cats deletion will cost around £500 to add 10% power and 5% torque. Is it worth it?
 
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Pirate1923

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Did it improve response and pick up ,
 

Craiglxviii

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LostKiwi

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I believe Malcolm's SL has secondary cats removed and a remap.
If so I'm underwhelmed. My r129 feels quicker.
 

Craiglxviii

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I believe Malcolm's SL has secondary cats removed and a remap.
If so I'm underwhelmed. My r129 feels quicker.
It has. Malcolm used his car as a guinea pig for M113 tuning and I based my plans on his observations.

From what I understand of the actual figures the 129-140/ 230-215 in 500 guise are all gnats nadger to 100, 150 and VMax km/h’s, but the newer cars feel slower in it.
 

Craiglxviii

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So out of interest, the 119 has 18 more metric horses and 15 more metric torques than the 113. The 113 has a much broader peak torque range which thus starts lower down the rev band than the 119. 119 equipped cars should have a slightly higher top speed and very slightly improved high speed acceleration than 113 equipped cars.
 

Richard Moakes

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It’s not about numbers, it’s about how the engine feels and responds.

The M113 feels like a whirring, lightweight engine, the M119 feels a little slower to respond, but it also feels like it could pull a freight train.
 

Craiglxviii

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It’s not about numbers, it’s about how the engine feels and responds.

The M113 feels like a whirring, lightweight engine, the M119 feels a little slower to respond, but it also feels like it could pull a freight train.
That’s interesting you say that. There is a significant mass difference between the two with the 119 unit being the heavier.
 

LostKiwi

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It’s not about numbers, it’s about how the engine feels and responds.

The M113 feels like a whirring, lightweight engine, the M119 feels a little slower to respond, but it also feels like it could pull a freight train.
Nice summary.
The 113 is definitely more throttle responsive than the 119 but once the 119 wakes up it's like a charging Rhino and the bellow as it does is quite throaty and visceral.
The 113 has a lighter less meaty tone - more a gutteral rasp than a roar.

One thing I intend to do on Malcolms is change the x-pipe design.
The current one is a simple X with the two pipes crossing at right angles. I intend to replace it with a much longer X over - around 10". Testing on Aussie V8s of the same capacity and power showed a 10hp gain at the top end and a higher torque peak in the midrange.
I fitted one to an Audi A8 I had and it sounded glorious too with a real howl at around 4000 rpm.

This is what I have in mind:
Novitec_Ferrari-F12_Exhaust-Replacement-Pipe-X_-_Pipe-System.jpg
 


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