2.0 or 2.5 Engine wrx impreza Wagon what is the best for 350 BHP
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2.0 or 2.5 Engine wrx impreza Wagon what is the best for 350 BHP
Hi Guys, I am new to this forum and Subaru's. My last car was a Nissan 200sx S14a so this is a little different. I need your help in deciding what is best engine 2.0 or 2.5. I am looking to upgrade the car to approx 350 bhp. Thx for all your help.
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My preference is the bigger capacity engine.
At 350bhp both engines are more than capable. You will get more torque and less lag with a bigger capacity engine. I am assuming here you are only referring to UK Spec cars.
At 350bhp both engines are more than capable. You will get more torque and less lag with a bigger capacity engine. I am assuming here you are only referring to UK Spec cars.
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I must admit I've gone for a 2.5 engine, but that's part of a 450/500bhp build.
I ran my 2.0 at 350bhp for a few years and it was pretty quick.
I couldn't compare the two as my 2.5 hasn't been built yet.
I ran my 2.0 at 350bhp for a few years and it was pretty quick.
I couldn't compare the two as my 2.5 hasn't been built yet.
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As things stand I can only get my 2.5 up to 360bhp but the torque is close to 400lbsft.
The big difference is the operating rev band. The 2.5 packs a real punch between 3500rpm-5000rpm whereas the WRX 2litre really is only on song 1k later but pulls well through to mid 6krpm. For me this makes the 2.5 the better choice, giving an exciting drive whilst keeping within the rules.
Trev
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A lot of people say the down side of the 2.5ltr is that it runs out of steam at 5k+ rpm. My 2.5 STi has been decatted and remapped, so I would say stage 1 tuned and although it rips your face off between 2-4k rpm it still pulls strong well after that. Not that I do that much as by the time you get to 6k rpm you either need to change gear or go on the track as you are talking silly speeds.
Of course a WRX needs to be stage 2-3 tuned to get to 350 bhp area. See here for a bit more info: AndyForrestPerformance
Of course a WRX needs to be stage 2-3 tuned to get to 350 bhp area. See here for a bit more info: AndyForrestPerformance
Last edited by Mikkel; 29 January 2010 at 10:26 PM.
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The 2.5 Sti has been in to Andy Forrest and has a larger turbo, fuel pump, Ecu, Plugs, Exhaust, etc. I just dont know why he dosen't have any receipts printouts etc.
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If it's definitely been to andy then go for that 2.5 - should be a sound buy and you've got plenty of room for more at a later date then ........ you will go there
out of curiosity, what spec was your s14a? - my brother's an sxoc boy
out of curiosity, what spec was your s14a? - my brother's an sxoc boy
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S200 HKS just in case you've seen it around. Black S14a 2000 47k One owner full Nissan service, I put a Blitz nur spec R, splitfire lead s/s manifold , fuel pump, fmic, plugs, ecu, etc. Putting out about 300bhp. Spent thousands, Hay ho. Scary car to drive in the wet. So this is why i am going for a Subaru wagon, a little bit safer, getting older. lol
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