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Old 20 February 2007, 06:16 PM
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banny sti
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On a 2ltr sti engine, when would you see a 1bar of boost in 4th and full boost?

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Old 20 February 2007, 10:29 PM
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R4LLY
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Hi Banny, I get 1.7/1.8 bar by about 3750 rpm, and 1 bar by about 3250 rpm...
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Old 20 February 2007, 10:30 PM
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Between 3000 and 3200 revs

That's on my WRX anyway

Martin
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Old 20 February 2007, 10:36 PM
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Martin what power and mods are you running? Rally what car is that on?

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Old 20 February 2007, 10:45 PM
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STI 3 RA, with a built 2.0 see my second post https://www.scoobynet.com/dealer-thi...zards-zen.html.

Just checked my dyno graph and in 5th its actually by 3500 rpm full boost and a bar was probably by 3000 maybe less....
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Old 20 February 2007, 10:51 PM
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Sounds awesome rally, I am running a sti 3 but it has a P1 bottom end so that would limit the boost to around 1.6 bar. Have you had the car on a RR.

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Old 20 February 2007, 10:55 PM
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Cheers mate, yeah it came out at 409 bhp and 367 lbs torque. It peaked at 1.74 bar on the rollers, but makes a little more on the road.

Even a 1.6 bar midrange on an 18g will be awesome, the torque delivery is just immense.. especially compared to the VF...
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Old 20 February 2007, 11:03 PM
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billsandhu
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Originally Posted by R4LLY
Cheers mate, yeah it came out at 409 bhp and 367 lbs torque. It peaked at 1.74 bar on the rollers, but makes a little more on the road.

Even a 1.6 bar midrange on an 18g will be awesome, the torque delivery is just immense.. especially compared to the VF...
Would you mind posting the graph? As you know im chasing a similar setup
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Old 20 February 2007, 11:04 PM
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Will definitely try.... Paul has a copy of it as well.... but i'll try and get it up...
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Old 20 February 2007, 11:08 PM
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Old 20 February 2007, 11:08 PM
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Not the best quality but hope it helps....
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Old 20 February 2007, 11:08 PM
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On my UK98, I see 1 bar by 3k, and full boost by maybe 3.5k in 4th gear.
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Old 20 February 2007, 11:11 PM
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Originally Posted by R4LLY
Not the best quality but hope it helps....
http://thumbq.com/store/45112-400bhp_026.jpg

Power really seems to build up real quick when it hits 3k. Must really fly on the road
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Old 20 February 2007, 11:15 PM
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Yes it justs hits straight away.... A bit in the wet though...
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Old 20 February 2007, 11:17 PM
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Banny

I'm with Ninnybobs on this one ...about 3200 for 1 bar boost

My max boost is 1.42 Bar as I'm running water / methanol injection LOL

Shaun
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Old 20 February 2007, 11:21 PM
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banny sti
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Is that on jus V-power? it looks like the type of car i want!!

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Old 20 February 2007, 11:25 PM
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Yes just on V-Power, not really going to use any boosters ever anyway...

1.6 bar midrange will be producing an awesome car also..... not much more you can ask for from a road car really.
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