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My K27 HFS results

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Old 04-18-2010, 12:28 PM
  #16  
Metal Guru
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That's not bad.
Seems like most of these proprietary solutions run around $1k but with dyno time included that's not a bad deal at all.
I'd have to add shipping to my tab, unfortunately.
Old 04-26-2010, 01:49 PM
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watsonj0
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Some more updates we installed a boost controller and now have a .7 and 1 bar settings pulls.
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Old 04-26-2010, 02:52 PM
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do you have a 60-130 time?
Old 04-26-2010, 02:56 PM
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No I can get out the Racelogic performance box this weekend and get some #'s
Old 04-26-2010, 03:12 PM
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Is that a GPS device?

I think we should start collecting 60-130 data like the boys over on the 993tt thread. It would be a good reference point for people evaluating mods etc...
Old 04-26-2010, 03:14 PM
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watsonj0
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I think it would be difficult to do accurately with out one of these units. I love it and use it for all my cars data logging.
http://www.performancebox.co.uk/
Old 04-26-2010, 03:17 PM
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That or the AX22, which a lot of people use.

As I said the 993tt boys have a lot of data, I think we should start collecting.

If anyone in the UK wants to borrow mine, ping me an email.
Old 04-26-2010, 03:52 PM
  #23  
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All I need to do now is find a private road to do the test
Old 04-26-2010, 03:52 PM
  #24  
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Am I reading that right? Almost 90 lbs more torque going from 0.7 to 1.0bar? Wow, that's a significant amount of extra grunt!
Old 04-26-2010, 03:57 PM
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yes thats what it says, I was surprised as well the 1 bar run is a bit leaner (11.7) deliberately to get a few extra ponies but nothing dangerous. I find the .7 bar setting fun for everyday driving and save the 1 bar setting for the second run

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Old 04-26-2010, 04:05 PM
  #26  
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I thought I would post up the new gear box ratios which really make the car fun.
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Old 04-26-2010, 04:09 PM
  #27  
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I imagine it's seriously quick at those 1bar figures! I can understand turning it back down again to use everyday!!! I managed to scare myself the first time I drove mine after getting a lot of maintenance work done and headers installed recently - it's only a decat and exhaust system (std boost at the moment), but I hadn't driven the car for 5-6 months... so it was a bit of a surprise to say the least!
Old 04-26-2010, 04:39 PM
  #28  
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Those numbers are a bit unrealistic as you would have to be running at 100% thermal efficiency. At best you'll get 75%...
Old 04-26-2010, 04:39 PM
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which numbers?
the chart is just showing the gear ratios, if you are referring to the mph shift points they seem to reflect real life
Old 04-26-2010, 05:24 PM
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I was talking about BHP numbers. Going from 0.7 to 1bar the max you would see with 100% efficiency would be 418 which is very close to your numbers. You would be lucky to get 75% efficiency.

The HFS maxs out at about 450bhp (flywheel) in my experience.

You wont get any where near 600bhp on cis.


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