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Author Topic: Dyno tuning my new 1999cc engine. In car vid of second event. Bathurst.  (Read 9039 times)
colvw
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« on: October 28, 2012, 04:39:58 am »
Yesterday i took my car to a local dyno shop to have my new 1999cc engine dyno tuned.

My mate Keith and i race at the New South Wales Hillclimb Championships here in Australia.  

I race in the 1601-2000cc class, we previously had a 1916cc engine but decided to step up to a 1999cc combo.

We were both very happy with the result and look forward to racing hard in  2013.
 
Here is a link to the dyno run and the sheet below.


http://www.youtube.com/watch?feature=player_detailpage&v=SWxXH_vwJ0w

[ Attachment: You are not allowed to view attachments ]

Cheers Col
« Last Edit: March 07, 2013, 07:55:48 am by colvw » Logged
Chris bugster
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« Reply #1 on: October 28, 2012, 11:55:07 am »
Tell us more. What is in the engine?
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11.2@124mph
BeetleBug
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Snabba grabben...
« Reply #2 on: October 28, 2012, 12:36:55 pm »
146 at the wheels I persume?
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10.41 - 100ci - 1641ccm - 400hp
benlawrence
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« Reply #3 on: October 28, 2012, 13:30:56 pm »
dyno dynamics calculates flywheel horsepower
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colvw
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« Reply #4 on: October 29, 2012, 07:49:59 am »
Quote from: BeetleBug on October 28, 2012, 12:36:55 pm
146 at the wheels I persume?

yes that figure is at the wheels.

Cheers Col
« Last Edit: October 29, 2012, 10:00:05 am by colvw » Logged
colvw
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« Reply #5 on: October 29, 2012, 07:56:35 am »
Quote from: Chris bugster on October 28, 2012, 11:55:07 am
Tell us more. What is in the engine?

Thanks for the interest, 

* genuine VW case
* 72mm  crank
* Engle fk87 cam
* Wiseco pistons
* Mahle barrels
* Street Elim heads 44 x 37.5 (over 20 years old)
* Berg rockers pushrods etc.
* Msd ignition
* 48 ida carbs

Lots of trial and error, but thats all part of the fun.  Smiley

Cheers Col
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Torben Alstrup
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« Reply #6 on: October 29, 2012, 20:22:18 pm »
Is there an error in the dyno calculation or something ? An engine like that should peak WAAAY higher than 5600 rpm. More like 7000 rpm.  Or the cam is advanced quite a bit (?)

T
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colvw
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« Reply #7 on: October 30, 2012, 08:02:40 am »
Quote from: Torben Alstrup on October 29, 2012, 20:22:18 pm
Is there an error in the dyno calculation or something ? An engine like that should peak WAAAY higher than 5600 rpm. More like 7000 rpm.  Or the cam is advanced quite a bit (?)

T



Well spotted, peak hp was achieved at 6800rpm, bottom scale on dyno sheet is not accurate.
Rev limiter is set at 7500rpm. 

Cheers Col
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Zach Gomulka
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Don't piss down my back and tell me it's raining.
« Reply #8 on: October 30, 2012, 14:08:57 pm »
Makes sense now, I was wondering why the curves didn't cross at 5252.
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Born in the '80s, stuck in the '70s.
Chris bugster
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« Reply #9 on: November 01, 2012, 16:58:53 pm »
Well done. How much squeeze did you run with that fk87? As it's a competition car I would expect 11:1 or more.
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11.2@124mph
colvw
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« Reply #10 on: November 02, 2012, 09:51:20 am »
Quote from: Chris bugster on November 01, 2012, 16:58:53 pm
Well done. How much squeeze did you run with that fk87? As it's a competition car I would expect 11:1 or more.

Have run a 11.7:1 ratio for many years now on pump 98 octane fuel ( we must use pump fuel as part of our class regulatons) and never had any issues with pinging.
Peak torque was 143 foot pounds at 5800 rpm. 

Cheers Col
« Last Edit: November 02, 2012, 09:55:50 am by colvw » Logged
colvw
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Posts: 17
« Reply #11 on: February 18, 2013, 12:40:14 pm »
My first hillclimb event for the year was last weekend.
I was really happy with the new engine combo,s performance, i recorded some runs with my new fav toy, a GoPro camera, from inside the car.
Hope you enjoy.

Cheers Col

 https://www.youtube.com/watch?v=XCgk_avr1wI

http://youtu.be/BFT7U61Kldg
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Chris bugster
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« Reply #12 on: February 19, 2013, 09:56:22 am »
Well done mate. Looks like lots of fun and glad to see Bugs doin'corners not just the straights. Got any film from the outside?
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11.2@124mph
Torben Alstrup
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« Reply #13 on: February 19, 2013, 13:21:46 pm »
COLVW.
What´s the power window in your set up?  4800 - 7500 ?

T
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colvw
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« Reply #14 on: February 20, 2013, 07:35:37 am »
Quote from: Chris bugster on February 19, 2013, 09:56:22 am
Well done mate. Looks like lots of fun and glad to see Bugs doin'corners not just the straights. Got any film from the outside?

http://www.youtube.com/watch?feature=player_detailpage&v=Yt0AsbHX4Aw&list=UULqygvRyuSKgi0l9P9ptYOA

Here is a vid from a spectator at the same track.
lots more vids on my youtube colvw.

Cheers Col
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colvw
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« Reply #15 on: February 20, 2013, 07:38:23 am »
Quote from: Torben Alstrup on February 19, 2013, 13:21:46 pm
COLVW.
What´s the power window in your set up?  4800 - 7500 ?

T

Needs lots of mid range for Hillclimb racing, we have fast and slow corners depending on which track.
Power window is approx 4000-7200 rpm.
Close ratio box helps alot Grin

Cheers Col
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Torben Alstrup
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« Reply #16 on: February 23, 2013, 21:53:03 pm »
Yeah, I know. Not bad at all for a short stroker.

T
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colvw
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Posts: 17
« Reply #17 on: March 07, 2013, 07:58:37 am »
Here is some incar footage of me racing at the famous Mount panorama circuit at Bathurst.
We race up the hill on Saturday then the reverse direction non the other side of the circuit on sunday.
This vid is of Saturday.

 http://youtu.be/rIcFzyUNips

Cheers Col
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colvw
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« Reply #18 on: March 07, 2013, 09:23:47 am »
On Sunday we raced on the other side of the circuit known as Mountain Straight Hillclimb.

This is the fastest and scariest hillclimb in the country, i,m almost out of breath in 4th gear.

http://youtu.be/odRUJz8wClc

Cheers Col
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dirk zeyen
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« Reply #19 on: March 07, 2013, 09:48:38 am »
Nice!!!  Grin Grin Grin
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back again!!!
wolfswest
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« Reply #20 on: March 07, 2013, 12:05:34 pm »
Quote from: colvw on March 07, 2013, 09:23:47 am
On Sunday we raced on the other side of the circuit known as Mountain Straight Hillclimb.

This is the fastest and scariest hillclimb in the country, i,m almost out of breath in 4th gear.

http://youtu.be/odRUJz8wClc

Cheers Col

BRUTAL!  Shocked

I don't see shit like this happening on 135's in front.  Grin
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andy198712
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« Reply #21 on: March 07, 2013, 16:26:59 pm »
nice!

whats your suspension/ handling setup?
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colvw
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« Reply #22 on: March 09, 2013, 09:27:44 am »
Quote from: andy198712 on March 07, 2013, 16:26:59 pm
nice!

whats your suspension/ handling setup?
I have modified and narrowed golf struts up front with adjustable ride height and spring tension, with KYB inserts.
Heavely modified strut mounting points and lower control arm camber changes.
Rear Koni adjustable shocks, Sway Away torsion bars and adjustable rear sway bar.
Lots of tinkering and a secret squirell 4 wheel alignment settings Smiley

Cheers Col 
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colvw
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« Reply #23 on: March 09, 2013, 09:29:22 am »
http://youtu.be/Hi7ghiGvfCU

Across the top of the mountain to the finish line, hang on and hope!

Cheers Col
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andy198712
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« Reply #24 on: March 09, 2013, 12:57:30 pm »
The settings obviously work! Smiley
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