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 Subarugears
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| posted on November 23rd, 2014 at 08:25 AM |
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Pics of K&N setup?
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1303Steve
A.k.a.: Steve Carter
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| posted on November 23rd, 2014 at 08:48 AM |
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Hi Todd
Theres a photo on my FB timeline, its just a K&N element in the same housing
Steve
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 Bizarre
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| posted on November 23rd, 2014 at 09:38 AM |
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HTTP 404 Not Found 
Futue te ipsum!!!
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1303Steve
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| posted on November 23rd, 2014 at 09:47 AM |
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try this one http://racing.natsoft.com.au/635956637/object_995730.82I/Result?8
or try the home page http://racing.natsoft.com.au/results/ and go to
circuit racing results
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1303Steve
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| posted on November 23rd, 2014 at 09:53 AM |
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Hi
Car felt great at 226 kph, the wing, it felt the same, video http://youtu.be/spgKInSH1D0
Steve
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vlad01
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| posted on November 23rd, 2014 at 11:42 AM |
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not bad at all!, seems to have a bit of wheel hop though from what I can see.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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Bizarre
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| posted on November 23rd, 2014 at 12:49 PM |
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geez - you put some big bucks to shame
Well done
Futue te ipsum!!!
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1303Steve
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| posted on November 23rd, 2014 at 12:54 PM |
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Hi
Bit of wheel hop, no tyre warming or burnouts allowed because it could damage the landing strip
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vlad01
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| posted on November 23rd, 2014 at 04:21 PM |
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you could get one drive shaft special make to be a heap thinker, like 50% thicker and that should stop wheel hop.
Thats all anti wheel hop kits for other high powered RWD cars are, one standard thickness and one about 50% thicker. It inhibits drivtrain harmonics
that creates wheel hop by having different resonance on each axle.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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Subarugears
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| posted on November 23rd, 2014 at 04:26 PM |
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Drivetrain harmonics create wheel hop???!!!!
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HappyDaze
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| posted on November 23rd, 2014 at 04:39 PM |
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More likely to be shock absorbers....or engine mounts.
I'd rather wear a Beetle out by racing it than by polishing it!
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57oval
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| posted on November 23rd, 2014 at 04:40 PM |
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Flintstones
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| posted on November 23rd, 2014 at 06:59 PM |
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Great result Steve.
I think you'll need to upgrade your HUD as it maxes out in the 170ish km/h range :smile grin:
Cheers
D
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1303Steve
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| posted on November 23rd, 2014 at 09:11 PM |
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Hi
The motor and trans are well mounted now, maybe I should try some harder mounts, I was leaving the line close to limiter.
Its Polaris HUD I should complain to them, on the first run I was a bit disappointed thinking that I hadn't cracked the 200 mark
Steve
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vlad01
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| posted on November 23rd, 2014 at 11:28 PM |
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| Quote: | Originally
posted by Subarugears
Drivetrain harmonics create wheel hop???!!!!
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yes, you should know of all people  its simple physics, everything in
the world has resonance and harmonics of different orders, vibrations, juddering, hopping... no different.
have you not seen how well anti hop axle work? your missing out man.
here is one example.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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vlad01
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| posted on November 23rd, 2014 at 11:37 PM |
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| Quote: | Originally
posted by HappyDaze
More likely to be shock absorbers....or engine mounts.
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yes, they tend to exacerbate the natural bounce a lot if they aren't in good order.
In my experience you can only reduce amplitude/change frequency them with mounting everything solid, to the point of not really noticing much but
still exists regardless.
I found stiffer shocker increase the frequency of the hop but reduced amplitude which is good.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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Subarugears
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| posted on November 24th, 2014 at 03:41 PM |
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| Quote: | Originally
posted by vlad01
| Quote: | Originally
posted by Subarugears
Drivetrain harmonics create wheel hop???!!!!
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yes, you should know of all people its simple physics, everything in
the world has resonance and harmonics of different orders, vibrations, juddering, hopping... no different.
have you not seen how well anti hop axle work? your missing out man.
here is one example.
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Yeah, I of all people should know. Interestingly, my 190kw car does not suffer from axle hop and it has the same thickness axles on the left as on the
right.
Perhaps you could quote your source? I can only find articles discussing shock absorbers, mounts, tyre sidewalls etc. Does the different axle thing
also work on solid rear axles, like VK Commodores?
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1303Steve
A.k.a.: Steve Carter
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| posted on December 24th, 2014 at 08:47 AM |
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Hi
A more professional video of the Snowy 1000 http://youtu.be/m7TLBbAH-Pg?list=UUYZ11-hqT0MUhzgstStiyVQ
Steve
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1303Steve
A.k.a.: Steve Carter
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| posted on December 31st, 2014 at 10:07 AM |
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Hi
Another part of my quest for more power came today, a Zeitronix E85 flex fuel sensor, cams and another tune soon
Steve
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Invincabug
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| posted on January 23rd, 2015 at 10:22 AM |
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I saw this Bugaru on the road late last year (Forest Road Peakhurst) and was very impressed. Congratulations on a job well done Steve and how great to
come across a group of people so willing to share info' such as yourself, Jak etc.
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1303Steve
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| posted on January 23rd, 2015 at 01:29 PM |
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Thanks for that, I live near Peakhurst
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Birdman
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| posted on January 23rd, 2015 at 08:04 PM |
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I think the IRS commodore guys use asymmetrical axles to stop tramp. As in the axles are NOT round.
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Subarugears
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| posted on January 24th, 2015 at 01:51 PM |
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I love some of the stuff you read on forums. Axles are not round, tramp is caused by harmonics. Wow.
Must tell those top fuel guys some of these tricks so they can reliably get 8000hp to the ground. Damn tyre shake!
Why don]t they just read the forums?
Steve, how]s the E85 flexfuel install and tune going?
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1303Steve
A.k.a.: Steve Carter
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| posted on January 24th, 2015 at 02:14 PM |
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Hi Todd
I'm still waiting for the cams from Tomei, I have the flex fuel stuff already, fitting up the sensor and gauge soon.
I have to wait for the cams as I want to have both fitted before tuning.
They way things will work out time wise I might not get a chance to fit them until late March, I've entered the VW drags in Sydney and Power Cruise,
there's a club cruise in between so not enough time to have the car off the road.
I'm keen to see what the motor will produce on cams and 98 plus what it will do E85
Steve
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Camo
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| posted on January 24th, 2015 at 07:54 PM |
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| Quote: | Originally
posted by 1303Steve
I'm keen to see what the motor will produce on cams and 98 plus what it will do E85
Steve
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That's you, me and a lot of other people that are keen to also see.
Glad to see you are not growing up, only older
Kev
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vlad01
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| posted on January 24th, 2015 at 08:06 PM |
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| Quote: | Originally
posted by Birdman
I think the IRS commodore guys use asymmetrical axles to stop tramp. As in the axles are NOT round.
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Actually they are asymmetric as is one side is much thicker.
There are kits available for VE commodore onward which are same as chev CTS-V shafts as they were developed for them 1st in the states as it is an
incurable harmonic in that model.
The use of asymmetric shafts is now common place in OEM AWD and RWD ( mostly RWD) designs where suspension and mounting does not solve the oscillation
that is wheel hop.
If it can't be fixed with mounts and suspension bushes, asymmetric shafts are always a great option. certainly cheaper than blowing transmissions up
and cracking metal in places.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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psimitar
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| posted on January 24th, 2015 at 08:28 PM |
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| Quote: | Originally
posted by vlad01
| Quote: | Originally
posted by Birdman
I think the IRS commodore guys use asymmetrical axles to stop tramp. As in the axles are NOT round.
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Actually they are asymmetric as is one side is much thicker.
There are kits available for VE commodore onward which are same as chev CTS-V shafts as they were developed for them 1st in the states as it is an
incurable harmonic in that model.
The use of asymmetric shafts is now common place in OEM AWD and RWD ( mostly RWD) designs where suspension and mounting does not solve the oscillation
that is wheel hop.
If it can't be fixed with mounts and suspension bushes, asymmetric shafts are always a great option. certainly cheaper than blowing transmissions up
and cracking metal in places.
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Yup, resonant frequencies and sympathetic harmonics are very destructive in all walks of engineering. Just ask the poor bugger who designed the
millenium walkway in London. Poor sod lost his career over that one.
madness is in the eye of the beholder  |
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1303Steve
A.k.a.: Steve Carter
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| posted on January 24th, 2015 at 08:44 PM |
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| Quote: | Originally
posted by Camo
Glad to see you are not growing up, only older
Kev
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when I grow up I wanna kid,
we just got a fill in drift car, KE 71 Corolla spirit, Im going to give this drifting caper ago in weeks time, weve already locked the diff, cut the
coils, fitted some of Daves cool wheel colection to it and fitted a Webber
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Subarugears
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| posted on January 25th, 2015 at 12:14 AM |
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| Quote: | Originally
posted by psimitar
| Quote: | Originally
posted by vlad01
| Quote: | Originally
posted by Birdman
I think the IRS commodore guys use asymmetrical axles to stop tramp. As in the axles are NOT round.
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Actually they are asymmetric as is one side is much thicker.
There are kits available for VE commodore onward which are same as chev CTS-V shafts as they were developed for them 1st in the states as it is an
incurable harmonic in that model.
The use of asymmetric shafts is now common place in OEM AWD and RWD ( mostly RWD) designs where suspension and mounting does not solve the oscillation
that is wheel hop.
If it can't be fixed with mounts and suspension bushes, asymmetric shafts are always a great option. certainly cheaper than blowing transmissions up
and cracking metal in places.
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Yup, resonant frequencies and sympathetic harmonics are very destructive in all walks of engineering. Just ask the poor bugger who designed the
millenium walkway in London. Poor sod lost his career over that one.
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Except wheel hop is actually caused by the loading and unloading of the tyre and its contact patch with the road and has nothing to do with harmonics.
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HappyDaze
A.k.a.: Greg Mackie
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| posted on January 25th, 2015 at 05:56 AM |
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Crikey, the things you learn on here....I always thought wheel hop was due to the masonic affluence on the atlasphere !
I'd rather wear a Beetle out by racing it than by polishing it!
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