EBP Sensor

907DAVE · Nov 28, 2011

Using BP could give a better picture of how much load the engine is under.

Jake P · Nov 28, 2011

Wouldn't boost give the same picture though?

907DAVE · Nov 29, 2011

Yeah...until you get out of a 1:1 ratio, which I imagine is pretty quick.

Anyone with a stock turbo got a moment to run a datalog on boost/ backpressure?

Kinda curious now.

dietoremain · Nov 29, 2011

Stocker is double on boost/back pressure, in general from what i've heard/seen..

uncool · Nov 29, 2011

So in a six speed truck it is completely worthless..........

BigAlsPSD · Nov 29, 2011

907DAVE said:
Yeah...until you get out of a 1:1 ratio, which I imagine is pretty quick.

Anyone with a stock turbo got a moment to run a datalog on boost/ backpressure?

Kinda curious now.

With the wastegate connected or not? I have one with the WG disabled. At 23PSI of Boost EBP is 38PSI

BigAlsPSD · Nov 29, 2011

View attachment On Ramp.pdf

Jake P · Nov 29, 2011

907DAVE said:
Yeah...until you get out of a 1:1 ratio, which I imagine is pretty quick.

Anyone with a stock turbo got a moment to run a datalog on boost/ backpressure?

Kinda curious now.

That still doesn't explain why they went with back pressure instead of boost pressure.

If i get a chance tomorrow i can get my AE out and data log it.

907DAVE · Nov 29, 2011

Okay....so if the turbo is boosting 20 psi and backpressure is at 21 psi - then a few moments later is is boosting 23 psi and backpressure is 34 psi - which gives you a better indication of the load the motor is under?

Just my guess why Ford did it this way, but I am sure they had their reasons.

Jake P · Nov 29, 2011

I thought boost and backpressure were more proportional than that. How can 2 more psi of boost = 11 more psi of BP? Not tryin to argue at all, just tryin to understand.

907DAVE · Nov 29, 2011

BigAlsPSD said:
View attachment 2533

This^^

BigAlsPSD · Nov 29, 2011

Just so you know that was a stock tuned truck, stock exhaust w/muffler delete, stock turbo with wastegate disconnected. The run was getting onto the interstate form about 14mph to 65mph, so there was a shift that you can see as well.

Tttahoe1 · Aug 15, 2016

uncool said:
So in a six speed truck it is completely worthless..........

Apologies for reviving an ollllldddd thread, but................Uncool had a good question ( at least to me ) : the EBPS in a 6-speed is pretty much worthless?

Is that a fair assumption?

Thank you!!

79jasper · Aug 16, 2016

No. There's more factors. Like tuning.

Sent from my SAMSUNG-SM-G935A using Tapatalk

Tttahoe1 · Aug 16, 2016

Jasper - thank you!

uncool · Aug 21, 2016

79jasper said:
No. There's more factors. Like tuning.

Sent from my SAMSUNG-SM-G935A using Tapatalk

Like what in the tuning?

MY sensor is still screwed into the mount and plugged in, but the tube has been removed and plugged for 7 years. Have made as much as 670 rwhp with it not reading anything but ambient air.

The EBPR controls the actuation of the Exhaust Back Pressure Valve. On the exhaust side of the turbo there is flap mounted in a housing that can block exhaust gas from entering the tail pipe. This flap will close off the exhaust gas and increase back pressure on the engine to help aid in engine warm up in cold weather.

The EBPR is mounted in the turbo mount housing and uses lube oil that is directed to the turbocharger to control the movement of the exhaust back pressure valve. The PCM will open and close the exhaust back pressure valve by actuating the EBPR from information provided by the EBPS.

So how again does this effect tuning?