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 mactaylor
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| posted on April 10th, 2015 at 09:04 AM |
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very cool dave!!!!
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adlbeetle66
A.k.a.: Denver
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Under the car.........again!
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| posted on April 10th, 2015 at 09:21 AM |
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 Very Nice.
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vassy66T1
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| posted on April 11th, 2015 at 08:12 AM |
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That is awesome!
Well done
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 26th, 2015 at 10:18 AM |
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| Quote: | Originally
posted by westi
That's mad Alan.
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hellbugged
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| posted on April 27th, 2015 at 05:33 AM |
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Always awsome
Times?
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 27th, 2015 at 07:59 AM |
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Only got 3 runs in, so mixtures not quite sorted.
The track and dyno are always different for tune.
Started rich and was a good baseline,
then went back to the dyno setting,
it felt sharp, but lost a bit, since the run was out of shape.
Last run was the same tune and lost even more mph as it got cold.
So next step is to try a little more fuel, at an event where I can get a good number of runs.
10.735 @ 124.90mph
10.766 @ 125.11mph out of the groove in 1st and 2nd!
10.790 @ 123.97 felt good but mph down likely too lean.
Sixty foot times:
1.425
1.445
1.466
1/8 mile:
6.807 (pb)
6.848
6.834
| Quote: | Originally
posted by westi
That's mad Alan.
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mactaylor
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| posted on April 27th, 2015 at 04:52 PM |
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Nice rinckles dave!!!! Where did you dyno? On the coast? pretty fine line!
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 27th, 2015 at 11:53 PM |
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https://www.youtube.com/watch?v=MfleLJ7Wb60&feature=youtu.be
| Quote: | Originally
posted by westi
That's mad Alan.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 28th, 2015 at 06:56 AM |
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https://www.youtube.com/watch?v=1aiUOAuVGks&feature=youtu.be
| Quote: | Originally
posted by westi
That's mad Alan.
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vassy66T1
A.k.a.: Marcus Vass
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| posted on April 28th, 2015 at 07:27 AM |
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Very good!
You are a patient man. I am constantly surprised by how much development goes on even at the track.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 28th, 2015 at 09:40 AM |
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| Quote: | Originally
posted by mactaylor
Nice rinckles dave!!!! Where did you dyno? On the coast? pretty fine line!
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Yes, dyno was near the coast,
but the air at the track was pretty good except higher humidity.
I am always a little cautious about making changes too soon without some thought,
or a clean run, of which the 2nd pass was not!
so the last two runs were the exact same tune as the dyno.
After seeing the mph drop like it did on the second run,
I am confident it needs a little more fuel at high rpm.
| Quote: | Originally
posted by westi
That's mad Alan.
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tassupervee
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That really hurts doesnt it!
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| posted on April 29th, 2015 at 10:08 AM |
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Hmmm... idling a bit roughly Dave. Clean the air filter???
I reckon it might need a new dissy cap and plugs.................
Plus the oil is too thick whichdefinitely makes them run roughly.............! Try a 38w insted of 40w eh? 
Good lord I get a chubbie every time I see something new made for this engine. Astounding.
Cheers Dave!!!!
Im not a complete idiot, quite a few parts are missing....
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 30th, 2015 at 01:47 PM |
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https://www.youtube.com/watch?v=tNsNqi5OWNo&feature=youtu.be
| Quote: | Originally
posted by westi
That's mad Alan.
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tassupervee
A.k.a.: Knob Jockey
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That really hurts doesnt it!
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| posted on April 30th, 2015 at 02:41 PM |
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Cant watch it. Marked private
E
Im not a complete idiot, quite a few parts are missing....
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on April 30th, 2015 at 07:22 PM |
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how about now?
| Quote: | Originally
posted by westi
That's mad Alan.
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tassupervee
A.k.a.: Knob Jockey
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That really hurts doesnt it!
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| posted on April 30th, 2015 at 09:02 PM |
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Just gave the limiter a bash into 3rd!!!! Not a lot in it...
Damn that thing leaves well tho.
E
Im not a complete idiot, quite a few parts are missing....
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dragvw2180
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| posted on May 1st, 2015 at 01:36 AM |
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Nice pass Dave
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on May 18th, 2015 at 09:30 AM |
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https://www.youtube.com/watch?v=vJtxtFfvIJs&feature=youtu.be
DOH!
| Quote: | Originally
posted by westi
That's mad Alan.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on May 18th, 2015 at 09:33 AM |
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Got a couple of runs in before the stub axle broke:
https://www.youtube.com/watch?v=3rdhCVFo_GQ&feature=youtu.be
https://www.youtube.com/watch?v=v_h1PwTFIm4&feature=youtu.be
| Quote: | Originally
posted by westi
That's mad Alan.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on May 18th, 2015 at 09:40 AM |
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| Quote: | Originally
posted by westi
That's mad Alan.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on May 18th, 2015 at 10:50 AM |
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https://www.youtube.com/watch?v=tozp6EdNAOY&feature=youtu.be
| Quote: | Originally
posted by westi
That's mad Alan.
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HappyDaze
A.k.a.: Greg Mackie
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| posted on May 18th, 2015 at 11:18 AM |
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Do you know what caused the stub-axle to fail, Dave ? 
According to a friend of mine, who once ran Borg Warner and knows a lot about steels used for axles, it is very difficult to get hold of 'good'
material these days.
I'd rather wear a Beetle out by racing it than by polishing it!
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on May 18th, 2015 at 12:28 PM |
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https://www.youtube.com/watch?v=ePEC_g8hhG8&feature=youtu.be
| Quote: | Originally
posted by westi
That's mad Alan.
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dangerous
A.k.a.: Dave Butler Muffin Man
23 Windows of Awesome
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| posted on May 18th, 2015 at 12:31 PM |
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| Quote: | Originally
posted by HappyDaze
Do you know what caused the stub-axle to fail, Dave ?
According to a friend of mine, who once ran Borg Warner and knows a lot about steels used for axles, it is very difficult to get hold of 'good'
material these days.
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Putting it down to fatigue, Greg.
Nearly 25 years of racing,
and it is just a VW part with the 930 flanges welded on.
Either way, looking at upgrades too,
since this could have been messy if it failed at speed.
| Quote: | Originally
posted by westi
That's mad Alan.
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HappyDaze
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| posted on May 18th, 2015 at 12:42 PM |
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Ahhh, fatigue..after nearly 55 years of racing, I know the feeling. 
I'd rather wear a Beetle out by racing it than by polishing it!
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mactaylor
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| posted on May 19th, 2015 at 02:16 AM |
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Could have been scary in the top end! looks cool thou!
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NUG637
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| posted on May 19th, 2015 at 09:05 PM |
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Bit of a noob question but did you make a pass and hear/feel it go or just find it while tinkering?
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on May 19th, 2015 at 09:49 PM |
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| Quote: | Originally
posted by NUG637
Bit of a noob question but did you make a pass and hear/feel it go or just find it while tinkering?
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Felt it let go on the start line Myles :
https://www.youtube.com/watch?v=vJtxtFfvIJs
| Quote: | Originally
posted by westi
That's mad Alan.
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tassy74ida
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| posted on May 20th, 2015 at 10:24 PM |
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Bumma
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on May 26th, 2015 at 04:01 PM |
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| Quote: | Originally
posted by dangerous
| Quote: | Originally
posted by mactaylor
Nice rinckles dave!!!! Where did you dyno? On the coast? pretty fine line!
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Yes, dyno was near the coast,
but the air at the track was pretty good except higher humidity.
I am always a little cautious about making changes too soon without some thought,
or a clean run, of which the 2nd pass was not!
so the last two runs were the exact same tune as the dyno.
After seeing the mph drop like it did on the second run,
I am confident it needs a little more fuel at high rpm.
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Looks like the baffles in the tank have been restricting fuel flow.
This is the same tank that was in the car 25 years ago,
when PK used it for hill climbs, and all I have done was increase the outlet size.
I put a camera up there, (the tank), and it is certainly not good for mechanical injection.
So time for surgery.
Return lines should never be above the outlet.
Also, the volume available, should be more than the pump can draw, or else it can draw air.(3.6 GPM)
Over time the gaps in the baffles would re-fill the cavities, but not fast enough to keep up with the pump at high rpm.
On this tank, with these baffles, I had less than 3 litres available,(from 10lt tank)
which was barely enough for a 4 second dyno pull,
but not likely for a full 1/4 mile.
My blown combo must have just got by because I towed to the start, (full tank),and had virtually no return fuel aerating the supply, and lower pump
rpm.
| Quote: | Originally
posted by westi
That's mad Alan.
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