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I see on the dahl racing website that they offer up to 625hp upgrade but the interesting thing, especially for ANdiroo, is that they quote new pistons, larger injectors (which we already knew) but new water pump and oil cooler as well as cylinder block reinforcement

No mention of IC's so i guess they are trying to reduce cooling by more oil cooling and increased water flow

An interesting concept

try the link and look for RS4


dahlback racing

Max. power 570 hp (420 kW) vid 6580 r/min
Max. torque 521 lb-ft vid 1660 r/min
Price incl. installation Contact us.

For a S4.....anyone hazard a guess as to how much ????? [img]images/graemlins/tongue.gif[/img]

£10k

Includes new RS4 engine [img]images/graemlins/1syellow1.gif[/img]

Max. power 625 hp (460 kW)
Max. torque 548 lb-ft
Changes Same as 580 hp but with larger turbo, new crank shaft, reinforcements of cylinder block etc.

Ummm.... that will be a new motor then [img]images/graemlins/nodder.gif[/img] [img]images/graemlins/roflmao.gif[/img]

A far as I know Dahlback are MTM

Imagine how fast that engine in an S4 will eat gearboxes !

I have heard of someone recently planning a 510bhp project on an S4. Can't imagine what it's like. [img]images/graemlins/grin.gif[/img] [img]images/graemlins/grin.gif[/img]
[img]images/graemlins/jawdrop.gif[/img]

How Much!!!!!

[img]images/graemlins/jawdrop.gif[/img]

At www.awe-tuning.com you can see their 550hp Silverbullet S4 and other goodies.

New turbo-back stainless steel exhaust with race cats, new air filter, new exhaust manifold, larger turbos, new piston rods/pistons, camshafts, crankshaft, fuel injectors, fuel pump, fly wheel and clutch, port job, new pipes and hoses, larger fuel injectors, oil cooler, water pump, reinforcements of cylinder block.

= 625bhp = £42,500 [img]images/graemlins/shocked.gif[/img] - must have missed something of the parts list [img]images/graemlins/wink.gif[/img] - anyhow you could get the same power for 50% of that, with smaller hybrid turbos and virtually no lag (inc flywheel clutch etc). Taking that the 1600rpm max torque is a misprint (which it is) its probably similar to the previous option and around 5500rpm = lag heaven [img]images/graemlins/frown.gif[/img]

No mention of bigger intercoolers like you say Bushy, or even charge cooling (water injection), and unfortunately the water pump mods wont cool the charge in any effective way, just protect the block - difficult to see how they control this [img]images/graemlins/frown.gif[/img]

Has any one seen and understood the dyno plots on the previous option? Never seen one like that before [img]images/graemlins/confused.gif[/img]

That's not to say it dont all work ( it should be able to go to the moon and fecking back for £42k [img]images/graemlins/blush.gif[/img]), it's just that applying a few more techniques could maybe let it perform a little better [img]images/graemlins/tongue.gif[/img]

£42k [img]images/graemlins/confused.gif[/img]

Andiroo ....................£42k [img]images/graemlins/confused.gif[/img]

i agree, just thought you would find this interesting [img]images/graemlins/beerchug.gif[/img]

Hmmmm. £42k (taking the car to £90k) is a ton of money of course for what is essentially just an upgrade, and a lot less wonga will get you into vehicles with a superior power to weight ratio.

But there is nothing on the market road car wise with any degree of that kind of refinement and power for anything like as little money...... therefore..... its cheap! Do we get a warranty with that? [img]images/graemlins/tung2.gif[/img] [img]images/graemlins/thumbs.gif[/img]

Ohhh I see....sorry for that money I thought I was getting a RS4 as well as the upgrade [img]images/graemlins/jump_clap.gif[/img] [img]images/graemlins/smile_smoking.gif[/img]