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Morning all,

I am currently up to the stage of modding were i need/want more boost. i have a turbo back zorst, pod, Greddy FMIC and BOV.

Ive checked out the Power FC's and they look like a tidy unit capable of almost anything. Would i be better just buying an APEXi boost controller for $600 rather than the Power FC for $1000?? would it be worth the extra $$'s for the added features that it offers?

Im not wanting to turn this into a full blown drag car, but i will probly mod further into next year.

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Absolutely dude... buying a boost controller limits you to what you can do. Yeah sure you'll have boost on tap but you can't play around with the vital things which a Power FC will allow you to do.

Save your penny's and get the FC. They are a plug and play unit and have 101 benefits over a run of the mill boost contoller.

Especially if you are looking to mod further, because the FC will allow you to change things like your and air/fuel ratios etc vital when putting more fast bits on your car.

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The AVC-R wont give you anything near what the PowerFC will.

Just buy the boost controller add-on for the PFC, only a few hundred more.

I thought that i would be able to dial up the boost from in the car with just the Power FC. Im assuming that the Apexi AVC-R boost controller allows this option on its own but nothing else. I'll check out some prices on the add-on. I was hoping to have it all for around the $1100 mark roughly.

If i was to do no more mods to the car after this would the PFC stil be the better way to go? Would the extras stil be a benefit to me?

Edited by GTS4dood
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The PowerFC is an ECU

not a boost controller. You need to purchase the Boost Contol solenoid etc in additoon to the PowerFC to make the PowerFC able to control boost

this is covered in the sticky thread in this section if im not mistaken

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Don't bother with the Apexi boost soleniod kit, the factory one works fine. Just buy a power FC and get someone who knows what they are doing to tune it. Put the few hundred you'll save into dyno time.

Regards

Andrew

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BBGTR, The RB20DET's run a basic wastegate setup, so an boost controller of some time is required.

Buy the PFC then redrill the holes on the wastegate bracket so that it becomes adjustable. :) Not so much redrill but elong. If you have the cash go the pfc boost controller from nengun.

They are fairly cheap considering its a self learning boost controller. Unlike the Archaic adjust a duty cycle and gain type ebc. The self learning ebc's constantly adjust duty cycle to obtain the target boost pressure.

Edited by Cubes
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I've always wondered why they GTR's need to run an elec bleed system when they don't have a 2 stage boost like the R33's do.

Whats the 32 GTR's base boost pressure if you were to bypass the solanoid and run it straight off the actuator?

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I'd just be buying an adjustable actuator and set the preload so you can run 13psi or so. Shouldn't cost more than 250. The r32 dosen't have the aggresive rich and retard strategy that the 33 has so you will make some decent gains from this.

Then save and get the power fc if you want to go further in the future.

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I've always wondered why they GTR's need to run an elec bleed system when they don't have a 2 stage boost like the R33's do.

Whats the 32 GTR's base boost pressure if you were to bypass the solanoid and run it straight off the actuator?

About 7-8 PSI I think - like most factory springs.

Regards

Andrew

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I'd just be buying an adjustable actuator and set the preload so you can run 13psi or so. Shouldn't cost more than 250. The r32 dosen't have the aggresive rich and retard strategy that the 33 has so you will make some decent gains from this.

Then save and get the power fc if you want to go further in the future.

Ideally i want to be able to dial up the boost from inside the car. If i was to buy an adjustable boost controller and then later add the PowerFC, i wouldnt be able to use the hand controller for it?? unless is was the apexi boost solenoid that i put on initially??

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Being able to adjust boost on the fly is a novelty.

The RB20DET isn't exactly a boost monster where a slight flick of the accelerator instantly see's all its boost.

Even with the rb30det and a small motor its easy to regulate the amount of boost I make.

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after 3 days and the novelty of being able to change your boost wares off.. i doubt your gonna be playing with it much :P

Ideally i want to be able to dial up the boost from inside the car. If i was to buy an adjustable boost controller and then later add the PowerFC, i wouldnt be able to use the hand controller for it?? unless is was the apexi boost solenoid that i put on initially??

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I think you're getting confused.

A boost controller is seperate from a ECU. The pfc is a stand alone aftermarket ECU.. which happens to be able to plug into a hand controller.

A boost controller will just change your boost..

So.. it depends what you want to do - retune the car or up the boost.

The PFC -can- control a boost controller solenoid, so in this sense it can work like a boost controller... but they are really 2 different things.

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an adjustable boost controller is only good for a factory ecu, if you want high power or low power..

but I'd run high all the time and get a powerfc and tune it to it, ebcause if you tune any ECU to a certian boost, and you lower the boost for a "low mode" you'll f**k all of your tune up cause its tuned for higher boost..

Easiest way to do it, is get the powerfc boost control kit to control spikes, spool, etc etc and level your boost, and then use your foot to control boost...

Less throttle means less boost..... If you can't do that, then you're a danger on the road and you should sell your car and buy a push bike..........

Edited by The Mafia
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