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Is it really worthwhile purchasing one?

for a r33 gtst sII with some slight mods:

fmic

pod

catback

soon boost controller, bov and dump pipe.

I have read up on it, but is says that the sotck ecu in the nissans are just as good and the poer fc doesnt really make ur car faster just manages things better (better for your car in terms of looking after it???)

Cheers

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Don't know where you read stock ecu is just as good but the any alteration to the ecu (provided tuned well) will be better than stock ecu.

It's not so much top end power which I'm impressed, but the midrange power which makes me smile.

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Hi Champinco, suggestions follow.............

"lumpy told me the r33 afm was only good up till 280rwhp hmmm..."

More like 240 rwkw, then move up to the Z32 AFM, same diameter (80 mm) but resolution at higher airflows. Good for 300 rwkw, then go to Infinity (90 mm) AFM good for close to 400 rwkw.

It has been our experience that Skylines with AFM's run nicer than those with MAP's. There is simply no better way to measure the airflow into an engine than an AFM. MAP's simulate the airflow by reading the pressure, so not as accurate.

Hope that helps

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Originally posted by Sydneykid

Add that up.... tell me a $1500 PFC isn't cheaper.....

The PowerFC is quite an economical solution really...

Now a z32 afm is not that much, you can match it up to ANY boost controller (strongly recommend you do not get the FC boost header). The HC is useful for your tuner. To me it wasn't worth going for a half assed solution. I hate paying for labour.

T.

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Hi T0nyGTSt, I find the Commander very usefull (other than for tuning of course). We use them as a display for boost, inlet air temperature, water temperature, detonation, injector duty etc etc. I don't think it is fair to compare prices by including the Commander with the boost controller and then excluding the Commander with AVC-R. The AVC-R is not a Commander replacement.

The solenoid in the PFC boost control kit and the solenoid in the AVC-R is exactly the same part number, so they should both provide the same quality of boost control.

So PFC + Commander + boost control kit is cheaper than PFC + AVCR + Commander. That's the way I look at it anyway. Expecially as in Torrens case, where he already has a Commander with his PFC.

Hope that clarifies my thoughts.

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What I'm getting at is that the AVC-R is a fully intelligent boost controller with scramble, different boost per gear, multiple boost settings etc. etc.

The manual goes on and on.

Now what do you get with the FC + HC + boost header? None of the above. Just boost control.

Of course you're all free to do what I do... FC + AVC-R + HC :P

T.

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Guest INASNT
Originally posted by T0nyGTSt

What I'm getting at is that the AVC-R is a fully intelligent boost controller with scramble, different boost per gear, multiple boost settings etc. etc.  

The manual goes on and on.

Now what do you get with the FC + HC + boost header? None of the above. Just boost control.

Of course you're all free to do what I do... FC + AVC-R + HC :P

T.

avcr has been around for ages, but some people say it looks more fancy than other boost controllers but doesent do as much

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Hi GOTRICE, you asked.........

"just to clarify we want our afms to be reliable and accurate for more than just one drag (240rwkw), are you saying lumpys wrong?"

We have seen over 20 GTST's with more than 280 rwhp on the standard AFM. We have 2 that make more than 250 rwkw (350 rwhp) on the standard AFM.

So, whilst I can't say that "lumpys wrong" (he may have experienced 1 or more cars that display AFM problems at 280 rwhwp), what I can say for certain is I have not personally had that same experience.

Moving on, we don't drag race our cars, circuit racing is our thing and I can assure you we would not risk loosing a race if I thought the AFM was going to let us down. In comparison to the other costs involved, an AFM is peanuts, we would change it in an instant if it was necessary.

Hope that clarifies my thoughts on AFM's.

Hi T0nyGTSt, you said AVC-R allows "different boost per gear". I have never used an AVC-R for that, can you let me know how it knows what gear you are in at any time? Does it have, like a sensor that goes on the gearbox to tell it what position the selector forks are in? Or maybe it reads off the tacho and the speedo and does quick calculation to work out the gearbox ratio and therefore compare that with a look up table so it knows what gear the box is in? But then it would have to know the diff ratio and the tyre size as well, wouldn't it? Oh and it would have to have a different look up table of gear ratios for all sorts of cars, that would be a lot wouldn't it? And you would have to select all that information from one of the AVC-R menus wouldn't you?

"multiple boost settings", that's 3 button pushes on the Commander isn't it? Not that I'm a believer in having more than one boost setting, that's what the throttle is there for.

Hope that adds further to the AVC-R versus PFC Boost Control Kit discussion.

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