Yipeee!!! I got my Apexi AVC-R Installed

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Jun 17, 2002 | 11:01 PM

diyath

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From: Colombo, Sri Lanka

Yipeee!!! I got my Apexi AVC-R Installed

The long awaited boost controller is now installed in my TME. It's so F$##%$ sweet!!!!.

Boost off : 0.7 bar
Low Boost: 1.1 bar
High Boost: 1.3 bar

Still running the standard TME ECU and no fuel cut even when tested with 1.4!!!

Jun 17, 2002 | 11:03 PM

4G63_Attack

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Joined: Mar 2002

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From: Los Angeles

cool

Jun 17, 2002 | 11:08 PM

Claudius

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Re: Yipeee!!! I got my Apexi AVC-R Installed

Quote:

Originally posted by diyath
Still running the standard TME ECU and no fuel cut even when tested with 1.4!!!

That must be because it's warm 28°C (82°F) and 84% humidity where you are! Here we get fuel cut at around 1.2 bars.

Jun 17, 2002 | 11:12 PM

Claudius

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Increase the start duty in the first 3 gears

try +6 in 1st, +5 in 2nd and +2 in 3rd.

Have you set the gear judge?

Jun 18, 2002 | 01:10 AM

Boni

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From: Ontario, CA.

I am gonna get one of those. How much did you pay for it? Congrats

Jun 20, 2002 | 02:35 PM

diyath

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From: Colombo, Sri Lanka

I paid US$500 for it. The dealer is a friend of mine so he gave it at the cost. I think you can get it in Japan for Yen 57,000. Installation & tuning $45. It's well worth the money!

Jun 20, 2002 | 02:46 PM

Boni

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From: Ontario, CA.

damn you got a good price, im gonna get mine for $550 which is still good

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Jun 20, 2002 | 05:37 PM

Lee

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Joined: Feb 2002

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From: Osaka, Japan

Re: Re: Yipeee!!! I got my Apexi AVC-R Installed

Quote:

Originally posted by Claudius

That must be because it's warm 28°C (82°F) and 84% humidity where you are! Here we get fuel cut at around 1.2 bars.

I was going to say, no fuel cut and increased boost on on stock ECU...

I can't understand that...

Correct me if I'm wrong the stock ECU has a built in boost limits, which turn the fuel injectors off when the boost rises a certain amount over standard, thus your only raising the boost a little. Without an upgrade ECU and increasing the boost without increasing the fuelling will cause the engine to run lean. OK perhaps the APEXi AVCR can do I don't know, as I'm only experienced with the HKS FConV on mine.

Last edited by Lee; Jun 20, 2002 at 06:14 PM.

Jun 20, 2002 | 05:47 PM

diyath

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From: Colombo, Sri Lanka

Trust me it works! Even the Techie who tuned the thing was suprised we got 1.4. Maybe the TME ECU has a slightly bumped up cut off?? I dont know.

Jun 20, 2002 | 06:06 PM

#10

Lee

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From: Osaka, Japan

Mate as I said I have no experience with AVCR...if you can do it then its great. An increased cut off isn't the thing, its running lean that will kill your engine. I suggest bundling it with an AFM to make sure...if your running it all day.

Cheers

Last edited by Lee; Jun 20, 2002 at 06:10 PM.

Jun 20, 2002 | 06:35 PM

#11

Claudius

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Re: Re: Re: Yipeee!!! I got my Apexi AVC-R Installed

Quote:

Originally posted by Lee
Correct me if I'm wrong the stock ECU has a built in boost limits, which turn the fuel injectors off when the boost rises a certain amount over standard

It seems like that in practice, but in fact there is no boost limit, there is a MAF sensor limit. The MAF measures the amount of air going into the air intake. It is a Karman Vortech type MAF and therefore works with a frequency (Hz). When that frequency reaches the value 1700 Hz AT A CERTAIN BAROMETRIC PRESSURE AND OUTSIDE TEMPERATURE, it cuts off the fuel. Therefore, a variation in outside temp, humidity (barometric pressure) etc can make the boost you can run vary. As long as no fuel cut happens, the ECU adapts the fuelling

The AVC-R only adjusts the boost. In a very accurate and customizable manner, but only the boost.

Jun 20, 2002 | 06:43 PM

#12

diyath

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From: Colombo, Sri Lanka

Thanks for the info Claudius.. If there are no fuel cuts and assuming the ECU provides the correct amount of fuel, are there any precautions I should take as far as revving too hard on high boost settings etc. or should I not worry about pushing the car to the limit?

Jun 20, 2002 | 06:49 PM

#13

Lee

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From: Osaka, Japan

Claudius:thanks I knew I was missing something there...

Jun 20, 2002 | 06:57 PM

#14

Claudius

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Quote:

Originally posted by diyath
Thanks for the info Claudius.. If there are no fuel cuts and assuming the ECU provides the correct amount of fuel, are there any precautions I should take as far as revving too hard on high boost settings etc. or should I not worry about pushing the car to the limit?

The ECU should adjust the fuelling, that's what it's there for in the first place. However, just for peace of mind, I would check the lambda values to MAKE SURE you're not running lean. You never know, JAN was running VERY LEAN with a Sports ECU.

Other than that, I always recommend to push the car to the limits, it's want it demands. GIVE IT TO HER!!