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Author Topic: SteveP's New Project  (Read 262286 times)

Offline E30Dom

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Re: SteveP's New Project
« Reply #1065 on: July 01, 2012, 08:01:55 am »
Any chance you could explain the figures to a novice like me, looks like wheel horsepower drops? Drag increases with engine power?

Looks immense though!
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Offline SteveP

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Re: SteveP's New Project
« Reply #1066 on: July 02, 2012, 09:57:22 pm »
It's all Witchcraft these dyno's so I am none the wiser than you  :laugh: :laugh:

Can't wait for the next phase to commence now. Thanks to KPM a spare TFSI head has been found so off to APR HQ in the US it goes for some bhp fairy dust to be sprinkled on it  :driver: :driver:
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Offline vRSAlex

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Re: SteveP's New Project
« Reply #1067 on: July 02, 2012, 10:01:31 pm »
Losses do seem high.  Keith doesnt usually have the corrected power on high mode so the actual is generally the same as the corrected.

How does the whp compare to Dans whp?
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Offline chungster

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Re: SteveP's New Project
« Reply #1068 on: July 02, 2012, 10:06:11 pm »
That's a point .... The correction isn't Din 70020 which is what most MAHA dynos use??

Looking at TFSI Mikes graph from Marlin dyno he had 276 at the wheels!
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Offline SteveP

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Re: SteveP's New Project
« Reply #1069 on: July 02, 2012, 10:12:57 pm »
^^^ And my wheel horse power on the Merlin Dyno is here -



Not sure why the different correction factor, will drop Keith a line  :happy2:
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Offline Tfsi_Mike

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Re: SteveP's New Project
« Reply #1070 on: July 02, 2012, 10:16:36 pm »
Quote from: chungster on July 02, 2012, 10:06:11 pm
That's a point .... The correction isn't Din 70020 which is what most MAHA dynos use??

Looking at TFSI Mikes graph from Marlin dyno he had 276 at the wheels!

Is that good / bad  :ashamed:  lol  (sorry Steve)
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Offline chungster

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Re: SteveP's New Project
« Reply #1071 on: July 02, 2012, 10:17:23 pm »
Just reading up on correction factors...SAE is American but seems to be as accurate if not more than Din 70020!

So for extra 18 HP at the wheels, you've got 41 more from drive train losses!

Something weird there
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Offline Wild Bean

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Re: SteveP's New Project
« Reply #1072 on: July 02, 2012, 10:33:01 pm »
Quote from: chungster on July 02, 2012, 10:17:23 pm
Just reading up on correction factors...SAE is American but seems to be as accurate if not more than Din 70020!

So for extra 18 HP at the wheels, you've got 41 more from drive train losses!

Something weird there

Geek ! :P
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Offline Keith@APR

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Re: SteveP's New Project
« Reply #1073 on: July 02, 2012, 11:41:22 pm »
Hey everyone!

I'll show more graphs tomorrow. Using Din corrected more than sae.

The biggest reason for the high drivetrain losses were the iats.

Roughly, dans was 42 without meth, 31 with meth and Steve's was 59!!!

Our dyno reads production stage 3's at 37x, stock s3's at 268 and lots of others at what's expected or same as marlin's.

It's used for cal and power verification for the VW Cup so it has to read the same as marlin's and is meticulously maintained by Maha UK (they will be there in the morning even, 4th visit since it was installed checking and updating).  :happy2:
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Offline Janner_Sy

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Re: SteveP's New Project
« Reply #1074 on: July 03, 2012, 06:24:55 am »
What do you reckon this modified head will net you then steve?

You going for a different valve train next then?  Get her revving higher?
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Offline DaveB@Vagbremtechnic

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Re: SteveP's New Project
« Reply #1075 on: July 03, 2012, 08:12:58 am »
Valve sizes staying the same Steve?
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Offline SteveP

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Re: SteveP's New Project
« Reply #1076 on: July 03, 2012, 08:15:09 am »
^^^ Yep.
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Offline Keith@APR

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Re: SteveP's New Project
« Reply #1077 on: July 03, 2012, 02:26:43 pm »
Quote from: Janner_Sy on July 03, 2012, 06:24:55 am
What do you reckon this modified head will net you then steve?

You going for a different valve train next then?  Get her revving higher?

Its the next component that will be all the bits to make our new Stage 3+ product.  Nothing terribly different in the head as far as the valve train or cams but opening up the front and the back gives us huge opportunities for timing advance and we expect 50+ bhp over where he is now.
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Offline Dp_Ed30

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Re: SteveP's New Project
« Reply #1078 on: July 03, 2012, 03:32:17 pm »
Quote from: Keith@APR on July 03, 2012, 02:26:43 pm
Quote from: Janner_Sy on July 03, 2012, 06:24:55 am
What do you reckon this modified head will net you then steve?

You going for a different valve train next then?  Get her revving higher?

Its the next component that will be all the bits to make our new Stage 3+ product.  Nothing terribly different in the head as far as the valve train or cams but opening up the front and the back gives us huge opportunities for timing advance and we expect 50+ bhp over where he is now.

close to 500bhp. like the sound of that :party:

keith get a stage 3 kit on the R so we can see the diffrences between fwd/awd :evilgrin:
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Offline SteveP

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Re: SteveP's New Project
« Reply #1079 on: July 03, 2012, 07:45:21 pm »
Quick pic from tonight, finally reunited and both working for a change  :pomppomp:

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