Thread: d150 AB Tune BAS Queery

From everything I've read here and online there are definite advantages to getting the tune, ability to clear codes and switch between different tunes is very cool. My 2.2 is still stock however, mainly because I'm still relatively new to diesel and I'm concerned about tuning out reliability and the ability to weather a bad tank of fuel when remote for performance.

I know that these motors are deliberately 'downtuned' to provide that additional reliability which is why they respond so well. To that end I'm wondering whether:

A - a standalone IC upgrade would yield a performance benefit on a stock tune whilst preserving stock reliability and
B - if a stock and a 170 tune vehicle were driven in the same fashion would the tune yield better fuel economy

Sorry if im hijacking, but does anyone have any insight on this?

A: not much.
B: a little.

You need the IC for sustained High performance or in hot abeyant temperatures.
If you drive the 170 tune as you would the standard tune you will get a little better fuel economy. The real bonus is the smooth, the 170 HP when you need it and the 440NM is just so uplifting. Whether you kill your motor with it is entirely up to you. You could probably kill it just as quickly with the standard tune if you were silly enough.

Doesn't seem any have done what I chose

I have 2009 130 and chose the BAS
De-EGR with standard tune

This gave me de-EGR plus the tool for diagnosis etc

I was not interested in upping the ante but have the ability to one day???

In any case the "new" tune with EGR closed is much smoother than standard especially in low throttle low speed situations

For what you seem to be chasing it could be an option

Steve

Originally Posted by Graekynn

[...]I'm concerned about tuning out reliability and the ability to weather a bad tank of fuel when remote for performance.

Whether tuned or not tuned a bad tank of fuel will do what bad tanks of fuel do - to your engine. Totally separate issue.

Originally Posted by Graekynn

I know that these motors are deliberately 'downtuned' to provide that additional reliability which is why they respond so well.

Some of the last special Defender models made had a 150hp tune from factory. The 2.2l ford ranger with Puma engine goes out from showroom with 118kW (158hp).

The basic principles of thermodynamics still apply. Burn little fuel, you get little heat (power). Burn lots of fuel and you get lots of heat (power). A higher state of tune just raises the upper limit regards max amount of fuel that can be burned (by controlling boost pressures, injection timing and duration etc).

If you had a 170hp tune, and put a brick under the loud pedal such that you never feed in enough fuel to generate more than 120hp. You are effectively not asking more of the engine than if it had a stock tune with the loud pedal floored.

So if never demanding the engine output more than 120hp is the key to longevity it is possible to do so regardless of state of tune. Just sayin'.

A poorly developed tune, poor quality, could destroy an engine even at stock 120hp levels. (Overfuelling, underfuelling, injector timing logic poorly implemented...)

Originally Posted by Graekynn

To that end I'm wondering whether:

A - a standalone IC upgrade would yield a performance benefit on a stock tune whilst preserving stock reliability and
B - if a stock and a 170 tune vehicle were driven in the same fashion would the tune yield better fuel economy

Sorry if im hijacking, but does anyone have any insight on this?

A - if the stock intercooler were not efficient, allowing higher than optimal intake air temps, then an IC upgrade will help. (longevity mostly, not so much performance improvement)

B - depends on the relative quality of each tune. In theory, all else being equal, if you drove both vehicles the same way and never asked either engine to deliver more than 100hp then economy ought to be pretty much the same.

However if the 170hp tune was of a better quality than stock tune - meaning things like more (or better positioned) throttle mapping points for more precise metering of fuel/air across all the rev range and pedal travel etc... then there may be differences in how power is delivered with positive impacts on fuel economy.