AP Engineering Power FC for 4AGE

[dori-kin]

Anyone have any personal experience with these. There isn't much info out there other than them being popular with Japanese tuners

Thinking about fitting one of these to my small port equipped AE86 with quad throttles instead of a Link. Some dude on Toymods is selling them with hand controller and harness adapter for A$1600.

Any ideas?

[ChaosAD]

There was an article in one of the recent NZPC magazines about an ae86 with one installed. I think it was installed by 'soichi' at Hi-Tec or something.

They are an apexi power FC which have been modified to work with a 4age as apexi dont make one for that engine. As they are sorced from apexi then modifeid by another company they are slightly more expensive.

[atmosports]

AP Engineering is another company within the APEX'i group. They take power-fc's & change the plugs or provide a plug-in adaptor & modified fuel/ignition maps to allow the power-FC to work on your car. I'm not 100% sure on what the 4age model is based on, but the EP82/EP91 Apex engineering power-fc is based on a 3sgte unit. To be honest they are as good as a Link etc, providing you have access to the software to be able to fully tune it. Two options here are the Apexi Power Excel software or else Datalogit, I do however not know if these work with modified ones as I've yet to get my hands on one to check as far as datalogit goes, if anyone has an AP engineering datalogit & would like to know if the datalogit will work with it, let me know as I've got all the software & if it doesn't work I can try & get the guys who make the datalogit to sort it out. As far as the power excel software goes best to talk to Stoichi @ ST Hi-Tec & see if he can do them.

[dori-kin]

Thanks for your help guys. Looks like this is the way I should go with my setup. I highly doubt the preprogrammed maps will run a smallport with cams and quad throttles out of the box though. But it means I don't have to wire anything in and I keep all my factory senses.

From what I've read, the Power FC has a built-in knock sensor. I presume this only works with cars that actually have the sensors fitted from the factory unlike the AE86.

As long as I can give the MAP sufficient vacuum from the throttle I should be okay as everything else will be standard?

[ChaosAD]

How big are your cams? And can you tune the powerFC in Alpha-N? (using tps instead of map) Because if the cams are too big, they wont provide sufficient vacum for the ecu to differentiate between part throttle and full throttle, which will make it a right c*nt to try and tune

[atmosports]

I'm pretty sure you could set it up to run off TPS. You may have to wire the TPS in as the map sensor though & then just change the PIM scaling with the datalogit software to represent the scaling of the TPS. Someone has probably done it on another make/model with a power-fc before I just can't be bothered seacrhing the datalogit site to find out.

On a side note there are ways of getting a better/more consistent vacuum signal with big cams as we played around with various things back in the old 2l touring car days as we had vacuum switched runners that made a huge difference to the car once we got enough of a vacuum signal to get them to work.

[dori-kin]

Good info guys, thanks! I'm not going overboard with the cams as this will be a daily driver. I'll be using 272/264/7.9mm cams with ITB. I'll be tapping vacuum from each TB and joining via T pieces so I don't think vacuum will be an issue. Looks like it's a goer!