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More powerrrrrrrrrrrrrrrr!I've been reading the threads on people's engine mods on here for a bit, and I find it all confusing, what with me being a young simpleton and all. Can somebody tell me in plain english what would be needed to give me about 350bhp and then maybe 400bhp? Can the standard engine/turbo cope for example? What sort of cost is involved? What else has to be done to the drivetrain to cope?
Cheers fellas...
Mine has a fully decatted exhaust, Induction Kit and remap - that gave me 347bhp and the same torque
Going round corners just got a whole lot faster...
Well, I don't have a centre cat and have a Hayward & Scott silencer and it has an aftermarket panel air filter, so where do I go next? A remap?
400 bhp, rcm 400 turbo, 3" exhaust, headers, up-pipe, at least 650 injectors, fuel rails, fuel pressure regulator, 255 walbro, fmic, ind kit, remap !
anything I forgot !.... around £5k 2007 BMW M5
2004 Petter Solberg STi
Quite possibly but I like the noise! Going round corners just got a whole lot faster...
Me too! It is all about the noise!
Me three a fmic/cone filter/dv make some strange noises Last edited by IAN on Sat Jun 25, 2011 10:12 am, edited 1 time in total.
WR1 #116
I went recirc after the cone filter and FMIC. I thought the DV was spoiling the noise a little.
I would think long and hard about your final goal first. The wrong way to do it IMHO is bit by bit. It costs a lot more in the long run.
Tell me about it £'sssssssssssssssssssssssssssssss And choose astuner wisely, not area 52 or cpa 2007 BMW M5
2004 Petter Solberg STi
What sort of power can be achieved reliably? I'd be happy with 350bhp and the same torque, it's not exactly slow as it is. I guess the only limiting factor is ££££££'s!
Avoid Harvey on scoobynet!
Car will be perfectly reliable at 350bhp. They say the cars limits for the engine are at around 450bhp although there are always some people that run all day long above that and others that suffer just below that but the general rule of thumb is 450 is the safe power level. 350BHP: 3" Exhaust System Fully Decatted Green Panel Filter Remap e.g. Dynamix NGK PFR 7B Spark Plugs Should make around the 350bhp mark. The VF35 is at its limit when you get to 340-350bhp so if you want to go the next level you will need a better turbo and then the price racks up. 400BHP: 3" Exhaust System Fully Decatted GT Spec2 Headers (Heatwrapped or ceramic coated) Flow matched up pipe. ***Doing the above mods will lose the scooby burble on full throttle and sound more like an angry wasp due to the headers being more or less equal length*** Turbo: MD321H 650cc Injectors Perrin Induction Kit Remap e.g. Dynamix NGK PFR 7B Spark Plugs Exidgy Uprated Clutch That will be around 400bhp and great for the road. If you are tracking the car or using it flat out all the time you would want a fmic which can cost around 400-500 through to up to 2000 depending on quality and size. For reliability some people put in better oil pumps, fuel rails, fuel pressure regulators etc but they are not essential to get the power levels you are after. As always with modding, if you do it bit by bit or on the cheap it will always cost you more in the long run.
Just get a remapp by Duncan ( Racedynamix advertised on here at top) You already have the exhaust and better air filter. Mine has After burner back box, green panel air filter, and a remapp by Dunc for £350. Mine made 340bhp on the Dyno. Drives lovely and feels very quick of the line!
Dont forget that not all standard WR1s made 315bhp when new, some bhp readings vary alot, as much as 20 bhp in some cases. So every car is different! Bmw 320ci msport
Bmw 323i tour msport Subaru Impreza wrx sti 03 (new) wr1 481 (New) Bmw 530i m sport (Champane Edition) Shogun (06) SORRY Bmw 330i m sport Bought WR1 481 back.(SOLD) Subaru Tribeca B9 SE7 2007.
Cheers for the help guys, I'm due the 60k service around October, so I plan on buying some braided hoses and an induction kit (worth it?) and having all the work done at once.
I'd love to have it dyno'd now, just to see what it makes as 'standard'. It certainly feels a hell of a lot faster than my old WRX PPP!
where are you based Steve ? Duncan : www.racedynamix.com
email: duncan@racedynamix.com tel: 07540 185754 Custom Remaps for: All Impreza/Forester 2001-2010 | Classics 92-96 (ESL) | Syvecs (Solaris) | Simtek
Hi Steve my Wr1 runs 428bhp never had any problems with it so far 10-12000 miles since the work was done, fast road use and one track day. dynamix has got a good reputation with subarus so for maping i would speak to him, as for the main work do a lot of reading and try to stick with one tuner, good luck Regs
Geoff
Ayzman, Who done your build mate? Rough price? Good results and sounds well done as reliable. Cozzy
Bmw 320ci msport
Bmw 323i tour msport Subaru Impreza wrx sti 03 (new) wr1 481 (New) Bmw 530i m sport (Champane Edition) Shogun (06) SORRY Bmw 330i m sport Bought WR1 481 back.(SOLD) Subaru Tribeca B9 SE7 2007.
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