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Old 04-01-2008, 10:22   #1
Robmgti
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VII FQ300 O.E ECU Tuning

Morning chaps,

As per my newbie thread im about to purchase a 7 FQ300. Ive been hammering the search engine for the past 30mins trying to come up with some answers regarding tuning of the standard 7 ECU. Im not aiming for big bhp, would be totally happy with 350ish and ideally i dont even want to get an exhaust or filter!

So far i think im right in saying (could some check this for me plz!)

Uprated Fuel Pump required (around £70)
Advisable to get some better (colder) plugs (£40)
And then a remap! (£400)

So my after clarifying the above my questions are:

Who can remap the standard ECU? (Im in the NorthWest)

Why do most people seem to go for aftermarket ECU's? - One post suggested that anything over around 380bhp requires an aftermarket one?

What bhp am i likely to obtain with the above - And what am i likely to obtain if i add an induction/cat back exhaust to that mix!

Apologies for all the Q's, i have used the Search alot and learned tons in the past 30mins - but want to be 100% sure about the above.

Have a good day!

Rob
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Old 04-01-2008, 10:47   #2
scandinavian fl
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Robmgti, had my car (8GSR) mapped last week it gives 365bhp & 345ftlb with the following.

Decated exhaust
HKS Filter
Walbro pump
Remap
Greddy boost controller (3 settings low-standard & 1.6bar)

I think the limitations of the standard ECU & MAF become a problem when you go over around 450BHP

Hope this helps

Jon M
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Old 04-01-2008, 21:25   #3
Robmgti
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Thanks for that Jon,

Ive done some more reading today and have worked out that most people seem to agree the standard ECU has issues with controlling the boost - so i think ill add a fairly standard boost controller to my purchase list.

How much was your remap and where did you get it done at?

Rob
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Old 05-01-2008, 10:21   #4
scandinavian fl
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£500 plus vat. I got it done at Power Engineering. I couldn't decide where to get it done. So I opted for PE because they where the company that develpoed the "Ecutek" mapping software with Ecutek, who are based next door.

Cheers

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Old 05-01-2008, 22:28   #5
Robmgti
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Just found a company fairly local to me who do the EcuTek - RC Developments.

They do a stage 1 tune for the 7 which consists of:

RC Stainless steel full 3" exhaust system (inc downpipe / decat)
Apexi Power Intake Air Filter
HKS Iridium Spark Plugs
Walbro 255 l/hr fuel pump
ECUTEK remap of existing factory ECU with RC custom map.

Thats £1173 inc VAT

I reckon i would probably get around 360bhp from that - if not maybe a little more!

Looks a good deal to me.

Rob
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Old 05-01-2008, 23:09   #6
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If you like the idea of tunning the car yourself check out ECUflash

Several members here have done with good results. A pro tune will get you there much quicker and with garenteed results, but the DIY route is not as hard as you might imagen.

MB
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