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| Performance Discussion about performance modifications and issues. |
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#1
06-27-2003, 11:11 AM
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power at the wheels
Hey guys,
I have just had a major service and dyno tune for my r33gts25t. It has always had a 3.5 inch exhaust from the catback and a BMC panel airfilter in stock airbox. Before the service it was running at 135kw at the wheels now it is running at 154.1kw at the wheels (at 9psi-stock boost). Are these respectable numbers for my type of car? What does 154kw at wheels translate to at the engine? They have achieved this 20kw increase by: 1) Setting the timing to just under 18 degrees 2) Putting in irridium spark plugs and indexing them 3) Cleaning out throttle body Is 18 degrees a safe level of timing for this car (always using 98ron) without chance of detonation? 
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#2
06-27-2003, 01:23 PM
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Manual driveline loss is about 20% roughly.
I always forget the formula for converting kw to hp. Indexing, that really does nothing.
__________________
 R32 GTR w/351w .020 forged, 8.9:1, PTK T76, Turbosmart 40 BC & 45 WG, Tial 40 BV, AFR 205s 310/245, 228/228 550/550 114 Hydro, 1.7rr, Isky RLs, 4" HKS exhaust, ARC 30x16x4 IC, 8 point cage, C2 gauges, 2 step, C4 3200 stall w/ R Manual & Hurst Ratchet shifter, 17" Panasport G7s, CSU 750 & bonnet, Vic Jr intake, 3.63 gears, Corbeau Carrera seats, Custom wide body, Bomex side skirts and rear 1/4 caps, Tommy Kaira bumper.
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#3
06-27-2003, 02:06 PM
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Quote:
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#4
06-27-2003, 02:10 PM
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__________________
R32 GTR w/351w .020 forged, 8.9:1, PTK T76, Turbosmart 40 BC & 45 WG, Tial 40 BV, AFR 205s 310/245, 228/228 550/550 114 Hydro, 1.7rr, Isky RLs, 4" HKS exhaust, ARC 30x16x4 IC, 8 point cage, C2 gauges, 2 step, C4 3200 stall w/ R Manual & Hurst Ratchet shifter, 17" Panasport G7s, CSU 750 & bonnet, Vic Jr intake, 3.63 gears, Corbeau Carrera seats, Custom wide body, Bomex side skirts and rear 1/4 caps, Tommy Kaira bumper.
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