Throttle Body and Intake

tivct

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Not at all. Everything is working good. I'm already tuned and it feels even better with the TB. I haven't even datalogged and revised yet.
Well... the PCM runs closed loop control on manifold pressure, so you'll control to the same MAP regardless of what throttle you put in. So you if put in a bigger throttle, the PCM will command an open loop angle, see that MAP is wrong, then adjust the angle down. All your tune is doing is raising target MAP via torque control, which is still achievable on the stock throttle.
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RCMUSTANG

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Ok, bottom line is that it ran much faster and better with the tune before the tb and it's running better after.
 

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So, in my investigation of the throttle body and intake this is what I found. I already knew it's the same TB as the one on my 2.7 Fusion. The stock TB is maybe 58-59 mm. Both intakes are 64.45 mm. But the 2.3 is a nightmare inside.

Regard throttle body boring, can you explain what you mean by the 2.3 being a nightmare inside?

Also, can you please tell me how this can improve throttle response and increase gas mileage?
Is the throttle body that much of a restriction on this turbo motor?
 

PNW_Ranger87

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Regard throttle body boring, can you explain what you mean by the 2.3 being a nightmare inside?

Also, can you please tell me how this can improve throttle response and increase gas mileage?
Is the throttle body that much of a restriction on this turbo motor?
The 2.3L Mustang throttle body has a larger inlet and bolts directly onto the Ranger but the control module inside the Mustang TB is programmed differently than the Ranger and will not work as a direct replacement.

Yes, the stock TB is that much of a restriction and the 65mm one provides better response due to the increased available air flow.
 
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RCMUSTANG

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The inside of the intake has all kinds of vanes and fins. Not just a nice smooth inside. That's the nightmare.
 


HarryD

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The inside of the intake has all kinds of vanes and fins. Not just a nice smooth inside. That's the nightmare.
Thank you Ray, now I understand what I was looking at in your photo.

Am I correct in understanding that this a standalone upgrade that is beneficial without adding a tune?
 
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RCMUSTANG

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Haven't datalogged for a revision and I notice the difference.
 
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RCMUSTANG

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The 2.3L Mustang throttle body has a larger inlet and bolts directly onto the Ranger but the control module inside the Mustang TB is programmed differently than the Ranger and will not work as a direct replacement.

Yes, the stock TB is that much of a restriction and the 65mm one provides better response due to the increased available air flow.
The mustang TB is identical in size to ours but the electronics are different. That's why I bored out thr stock one.
 

PNW_Ranger87

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The mustang TB is identical in size to ours but the electronics are different. That's why I bored out thr stock one.
Ahhh ok. I figured it was larger. I know it's larger than the Focus ST TB. :like:
 

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Haven't datalogged for a revision and I notice the difference
I asked if this TB upgrade is beneficial without adding a tune, but I do not understand this answer.
 

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I asked if this TB upgrade is beneficial without adding a tune, but I do not understand this answer.
It will be beneficial without tune, but possibly more effective if data was gathered with newly bored TB installed on truck then tuned accordingly
 

PNW_Ranger87

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It is definitely noticeable and beneficial without a tune but it's quite enhanced when you tune it accordingly.
 

tivct

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It is definitely noticeable and beneficial without a tune but it's quite enhanced when you tune it accordingly.
It would be great if someone can log torque and MAP response to pedal input before & after the throttle change for actual objective data. It'd help us out. Any benefit would show in the airflow data.
 
 



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