RS2 spec live map limiting factor?

[andy10v]

What is the limiting factor on an RS2 spec when live mapping?

I am assuming turbo or injectors?

If injectors is it worth fitting a set of 440s?

Spec will be

3B
RS2 turbo
RS2 style rep exhaust manifold
3" downpipe/exhaust
wagner intake manifold
7A FPR (4 bar)
FMIC
RS2 injectors or bosch 440s
rods
sre clutch

The car is currently running RS2 generic chip, I have 3" exhaust bits and wagner intake in the garage to fit over winter and then would like to get the car live mapped. I already have bosch 440s so dont need to buy them, I would just like to get the most/best from what I have.

I think RS2 injectors max first, then the turbo coldside (hence why a billet RS2 turbo can flow more)

Or hold off and get a billet RS2, or Alberts k26 hybrid looks good value for money (I am wary of it being less responsive though?)

[mac2226]

Who's going to live map your car Andy, been in Briantonks coupe with iroz rs2 billet he's running about 340bhp seems pull very well for that power i don't no what size injectors he's running? Best asking him . Alberts hybrid k26 turbos look very good for price and power with very little modifications to engine I must say if I hadn't gone for gt setup I would defiantly go k26 hybrid as well

[andy10v]

Ves sport (local to me) or Automark (few hundred miles away) (I cant get an answer out of PRJ).

Tonks maxxed his RS2 injectors with the iroz billet rs2, there is more in the turbo.

The only thing I am unsure of about Albert's is the modified turbine wheel, has it been back cut or clipped for more flow at high rpm? If so that will have an effect at lower flow levels.

[Tonks4x4]

Yes running RS2 injectors maxed to 99.8 duty cycle.
I have a set of 1000cc EV injectors to fit and water meth to be used only as a safety.
Will be getting round to getting it sorted and mapped in the new year.


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[mac2226]

1000cc that's what I'm running on my gt35 planning on another turbo Brian

[LHD_Kid]

I thought I had read somewhere that PRJ would not be mapping any more 3B cars?

[Rusty]

If you're getting a live map then injectors, rods and clutch are all against you. If you're sending £500 on a map then I'd have to suggest swapping the turbo, as there are plenty of safe RS2 maps about.

One thing you should do is convert to ABY ignition and ECU by swapping the ECU plug pins etc.

[andy10v]

I thought I had read somewhere that PRJ would not be mapping any more 3B cars?

He told Kit he was not mapping them anymore.

I could swap to COP if he was coming over though.

[andy10v]

If you're getting a live map then injectors, rods and clutch are all against you. If you're sending £500 on a map then I'd have to suggest swapping the turbo, as there are plenty of safe RS2 maps about.

One thing you should do is convert to ABY ignition and ECU by swapping the ECU plug pins etc.

Woops, I have fitted rods, will have an SRE clutch fitted before the live map.

[andy10v]

Yes running RS2 injectors maxed to 99.8 duty cycle.
I have a set of 1000cc EV injectors to fit and water meth to be used only as a safety.
Will be getting round to getting it sorted and mapped in the new year.


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When you say water meth as a safety do you mean just to keep IAT down/stable as opposed to adding timing?

[Tonks4x4]

Yes Andy exactly that.


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[sal_s2]

did I read that right? rs2 injectors maxed out at 340bhp?

[Rusty]

Mine's 360 and a bit on RS2 injectors...

Sure on an ABY 4 Bar FPR, you'll be OK for what an RS2 turbo can blow.

I'd say get a hybrid with bigger injectors and go for 400, like Dobbin did @ MRC last month.

[driftin jo]

I think you may want to edit that

[rs2coupe]

I think you may want to edit that

oops!