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 HS618
Officially Full-On Dubber
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| posted on August 28th, 2016 at 06:51 PM |
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Early EFI was simple and basic. We have so many "add-on's" and programmes nowadays and has got so complicated, only a few can master it.
Carburettors, mechanical injection and EFI all have a place in "high performance".
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on August 28th, 2016 at 08:18 PM |
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| Quote: | Originally
posted by tassupervee
| Quote: | Originally
posted by dangerous
...........but I struggled with fuel tuning, which I will address before Warwick
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Just 3 little letters.
E........F..........I.......!
TeeHee!!!
E
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I should clarify that the 'tune' was off, due to time limitations not visiting the dyno,
not any problem with the method of delivery.
EFI Not happening here, K.I.S.S for me
:O
https://www.youtube.com/watch?v=n_s5QJ-fVMg
https://www.youtube.com/watch?v=Ba_gJUBQicM
https://www.youtube.com/watch?v=M5xzZfDq7BM
https://www.youtube.com/watch?v=0owAWMQF6Go
https://www.youtube.com/watch?v=Klkh17jy3vE
| 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 September 5th, 2016 at 07:40 PM |
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https://www.youtube.com/watch?v=W3cOzus3fYk&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 September 5th, 2016 at 09:56 PM |
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| Quote: | I should clarify
that the 'tune' was off, due to time limitations not visiting the dyno,
not any problem with the method of delivery.
EFI Not happening here, K.I.S.S for me
:O
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You wont really need to if you know your tunes are right and compensated for baro and air density!!!
In addition, you can loose about 2 grand and several kilos worth of pump and hoses as well!!!!
Bloody Luddite!!!!!! 
E
Im not a complete idiot, quite a few parts are missing....
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modnrod
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| posted on September 6th, 2016 at 05:44 AM |
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Tuning stacks and carbs properly can be a difficult skill to learn.
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mactaylor
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| posted on September 6th, 2016 at 08:15 AM |
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Nice video dave! Looks like she is on song!
EVERLAST CONCRETE TANKS
1800 552 123
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HappyDaze
A.k.a.: Greg Mackie
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| posted on September 6th, 2016 at 09:03 AM |
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I knew a bloke, back in the 1950s, who drag-raced a Triumph motorbike. It ran on methanol, and he 'controlled' the flow with a tap, that was under
the tank. When he opened the throttle right up, he would turn the tap fully open !
One day I saw him walking along on crutches, with a lot of plaster and bandages. When I asked what happened, he said he couldn't turn the tap off at
the end of a run, and the raw fuel ran onto the hot exhaust. The bike caught fire, and he jumped off !!!
A bit too simple, perhaps ?
I'd rather wear a Beetle out by racing it than by polishing it!
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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 September 6th, 2016 at 09:45 AM |
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| Quote: |
I knew a bloke, back in the 1950s, who drag-raced a Triumph motorbike. It ran on methanol, and he 'controlled' the flow with a tap, that was under
the tank. When he opened the throttle right up, he would turn the tap fully open !
One day I saw him walking along on crutches, with a lot of plaster and bandages. When I asked what happened, he said he couldn't turn the tap off at
the end of a run, and the raw fuel ran onto the hot exhaust. The bike caught fire, and he jumped off !!!
A bit too simple, perhaps ?
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I can just Imagine Dangerous at the end of the run, out of the white Kraut with an old water extinguisher aimed at the business end!!
Baaahahahaha!!!!!
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 October 4th, 2016 at 03:40 PM |
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Had a great weekend at Warwick, top qualified, and got runner-up to Frosty in the "Normally Aspirated Top 8",
and ran a best of 6.922.
Nine runs between 7.256 and 6.922.
| 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 October 4th, 2016 at 03:42 PM |
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| Quote: | Originally
posted by westi
That's mad Alan.
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beetleboyjeff
A.k.a.: Jeff Walsh
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| posted on October 4th, 2016 at 08:30 PM |
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Your car was awesome Dave. Well done.
From your ole' mate Jeff
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mactaylor
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| posted on October 4th, 2016 at 08:45 PM |
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Gold dave!
EVERLAST CONCRETE TANKS
1800 552 123
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dragvw2180
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| posted on May 29th, 2017 at 01:07 AM |
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The old girl just keeps getting faster and faster , great job Dave 6.92 !!!!!!!!
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modnrod
Fahrvergnugen
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| posted on May 29th, 2017 at 07:47 PM |
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I was just wondering the other day how your hotrod is going Dave.
Your pics were always cool man.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on June 5th, 2017 at 07:43 PM |
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Hi Dave, been busy with work, before the holiday I am on now for a month or so,
but since Warwick last year, I did get a chance to inspect the engine internals and upgrade the pistons.
Some new JE's with a notch/forging that better suits the heads.
Dropped the comp down to mid 15's (from 16.44:1), and dyno test the fuel system that was never tested on a dyno.
Still does not like a lot of ignition timing. :O
All good and ready for jamboree in August. 275 @ the wheels.
Sorry for the shakey video, first try with iPhone :_
https://www.youtube.com/watch?v=uOIpTLYHGuk
| Quote: | Originally
posted by westi
That's mad Alan.
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pete wood
A.k.a.: figure itout
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| posted on June 13th, 2017 at 09:52 AM |
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Nice. Out of curiosity... Why the drop in comp ratio? Was it detonating?
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dangerous
A.k.a.: Dave Butler Muffin Man
23 Windows of Awesome
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| posted on June 14th, 2017 at 07:41 PM |
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| Quote: | Originally
posted by pete wood
Nice. Out of curiosity... Why the drop in comp ratio? Was it detonating?
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I believe so,
could not feel or hear anything,
but it only wanted 20 degrees timing at 8400rpm.
I optimised the timing curve at every rpm(programmable)
At 22 degrees it lost 13hp,
and even as low as 16 degrees,
it was still within 5hp of its best.
Methanol has an octane rating, not as high, as people think,
good 'racing gas' is much better for higher ratios, but not my style.
| Quote: | Originally
posted by westi
That's mad Alan.
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morgan
A.k.a.: morgan smith
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| posted on June 19th, 2017 at 08:49 PM |
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275 at the wheels, damm
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vassy66T1
A.k.a.: Marcus Vass
Veteran Volks Folk
Wow ... are U reading this?
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| posted on June 21st, 2017 at 01:09 PM |
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Great work Dave!!
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on November 5th, 2017 at 09:02 PM |
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Have not updated here for a while, and looks like most of my photos not longer show up from the damn host.
Anyhow, Ran the Jamboree in August, with mixed results.
Off the trailer was a 10.981 @ 121.89mph (6.952@97.09 at the 1/8)
Car was 1849lbs.
11.179 @ 118.65 (6.957 @ 90.62) missed 4th gear.
11.209@ 118.49 (6.976 @ 89.64) missed 4th again.
I will use the excuse of not having a drive of a manual for 11 months,
but all my runs were red lights, and half were missed shifts.
Sunday I adjusted the clutch up and shifted fine,
but had richened the mixture as a safety precaution,
and it was just plain slow.
11.054 @ 120.62mph (7.004 @ 96.17)
In hind sight, I should have been brave and just used the tune from the dyno.
But best be safe.
https://www.youtube.com/watch?v=Acd3iPoYcMg
(see from 5mins 24' )
| 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 November 5th, 2017 at 09:44 PM |
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Warwick was next meeting and interesting because
on Saturday it was between 26 and 30 degrees through the day,
and on Sunday it was never above 17 degrees!
Saturday:
6.923 @ 98.06 1.450 sixty.
6.834 @ 99.58 1.438 leaner mix
6.753 @ 100.47mph 1.427 leaner mix still
https://www.youtube.com/watch?v=kDEri5moa8Q
6.896 @ 99.58mph 1.460 whoops too lean!
6.875 @ 100.08mph 1.462 wheel spin but mph back with richer mixture.
https://www.youtube.com/watch?v=yShvnHGlDB0
https://www.youtube.com/watch?v=D4NCWAIoXHU
Sunday never got any temperature in the engine,
and likely the cold temperature meant I never added enough richness.
7.194 @ 95.29 (bogged the start) 1.532 sixty.
https://www.youtube.com/watch?v=WR7INz3dHSU
https://www.youtube.com/watch?v=2ydqj6-6vIs
7.05257 @ 96.25 with 1.482 sixty (won by the smallest margin in history! 0.00026 that's right, 26 one hundred thousandths!)
https://www.youtube.com/watch?v=f17bmNzI_v4&feature=share
7.141 @ 96.11 with 1.499 sixty, engine dead cold after rain delay.
https://www.youtube.com/watch?v=St_WU2wl690&feature=share
| Quote: | Originally
posted by westi
That's mad Alan.
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beetleboyjeff
A.k.a.: Jeff Walsh
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| posted on November 5th, 2017 at 11:35 PM |
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Great vids Dave. I love watching you race (the last vid is actually one of mine - proud to see you use it)
Seems you have all the right bits, now to just get them all together at the same time for every run
From your ole' mate Jeff
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on November 6th, 2017 at 08:25 AM |
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Thanks Jeff, and thanks for the videos too!
| Quote: | Originally
posted by westi
That's mad Alan.
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