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Dyno Day Part-2

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Old 04 October 2013, 04:36 PM
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Inviroman
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Default Dyno Day Part-2

From the last Dyno session it identified some issues, some known ie clutch but also the fuel pump and NPS.
Had the clutch/255 fuel pump/NPS all replaced (thanks Neil and Matt @ Slowboy racing) and took trip to SRR to meet up with Duncan from RaceDynamix.

Below is the graph before:



And today:



Only a small increase in BHP. But the torque in the mid range @4k has gone from 260 ish to 320!!!!!
Happy chap
Old 05 October 2013, 11:44 AM
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JohnD
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With the NPS working and no clutch slip, the torque figure will look a lot better!
Clutch slip shows up as a dip or flattening in the torque curve.

JohnD
Old 05 October 2013, 12:16 PM
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Inviroman
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The car def now has lot more mid range pull, glad it's all sorted.
Now to the suspension.
Old 06 October 2013, 01:08 AM
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DantheMan2605
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Big improvement on both lines though
Old 06 October 2013, 03:03 PM
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Inviroman
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Originally Posted by DantheMan2605
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Big improvement on both lines though
Gone as far as want to go with the engine at the moment, does pull lot stronger in the mid range.
Suspension next, looking for ideas.
Spent enough this month and need to back off before the misses finds out how much I have spent!!
Old 10 October 2013, 01:09 PM
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romford-boy
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Awesome, great set of figures - Duncan did a top job.
Old 11 October 2013, 10:19 PM
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Originally Posted by romford-boy
Awesome, great set of figures - Duncan did a top job.
Yep, happy with the result, pretty much as far as can go standard, will drive for a bit and probably will get the bigger injector/turbo bug
Old 15 October 2013, 07:50 PM
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Was a good improvement - always nice to have a clutch and that pesky NPS issue solved
Old 15 October 2013, 08:11 PM
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Originally Posted by dynamix
Was a good improvement - always nice to have a clutch and that pesky NPS issue solved
Thanks again Duncan
Still pondering on pops and bangs with on/off if possible and launch control?
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