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Old Aug 18, 2004 | 08:47 PM
  #1  
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gavnnik
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From: Dubai
Default Transmission losses

My Gtech gives me a BHP at wheels of 198 (based on 1552kg weight of Forester + me).

It's got a full decat, scoobysport backbox and green filter.

I would expect it to me somewhere around 250 at the flywheel.

Does this soun about right?
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Old Aug 18, 2004 | 09:19 PM
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From: MY06 STi Spec D
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Put my 97 S/tb with mods on a couple of different RRs last year.
Both came back with 169 bhp @ wheels but one made it 203 @ fly and the other 260 @ fly.
The car only had a filter, Samco,H & S rear box, up-pipe & P1 d/pipe mods with Optimax.

I think the 198 @ wheels is high and should be around 175-180 bhp.
The hybrid TD04 gives very high low down torque but runs out of puff earlier than a std TD04, so you'll not match 97 wRX figures for a decat.
As for fly bhp - well take your pick! Perhaps 275 bhp?

Nick
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Old Aug 18, 2004 | 09:25 PM
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I'm going to give it a re-run at the weekend with a more accurate weight figure.

Did yours have a full decat?
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Old Aug 18, 2004 | 09:32 PM
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From: MY06 STi Spec D
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Still had the downpipe cat fitted.

Nick
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