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 Camo
A.k.a.: Kev
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| posted on January 6th, 2012 at 08:46 AM |
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| Quote: | Originally
posted by humpty
These holes in the throttle plates needed filling.... They are letting too much air through at idle, which is the cause of the high speed idle.... And
I suspect they are also effecting the afr's too.... So out they came, and soldering up they have been.
Done...
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Not meaning to be negative, but is there any chance over time, temperature, vibrations and the vacuum created after backing off from big revs could
suck this piece of solder out. I'm think of were it's going to go if that were to happen (not good).
When I first saw the photo I was thinking, I hope you are going to silver solder them in - but it doesn't look like it.
I hope I am totally wrong and the solder is up to the job, I have no expertise in this area. I am just concerned for you and all the hard work you
have put in.
All the best with the car 
Kev
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humpty
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| posted on January 6th, 2012 at 09:05 AM |
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Yep.... Silver Solder was used Kev.... And solid throttle blades are on the way to replace these ones.
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Stanley
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| posted on January 6th, 2012 at 09:29 AM |
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If I leave now I might make it there by Wednesday...
All the best mate. Hope it performs above your expectations.
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Doug Sweetman
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| posted on January 6th, 2012 at 11:02 AM |
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I think I will have to come along now.... Was planning to take my 6 year old son along to his first drag meet - if the opportunity come to show him a
fast bug and convert him..... I would be silly not to !
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humpty
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| posted on January 9th, 2012 at 12:20 PM |
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With....
Without....
With....
Without....
What you reckon?
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1916baja
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| posted on January 9th, 2012 at 02:27 PM |
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Without..... All the way!
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humpty
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| posted on January 9th, 2012 at 03:40 PM |
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Yeah that seems to be the global consensus.... Will keep them for the gloss black smoothies I've built up for the Ghia....
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 matberry
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| posted on January 9th, 2012 at 04:24 PM |
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Without.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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humpty
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| posted on January 9th, 2012 at 04:40 PM |
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Fiddling with some sort of air cleaner set-up.... And I use that term loosely!
This is just the parts sitting there at the minute.... Still need to tack it all together and sort out a mounting stud.... Anyone see any issues with
running this?.... Apart from it not actually being and air cleaner at all.... :roll:
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dangerous
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| posted on January 9th, 2012 at 07:08 PM |
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Better than no air cleaner, but in my experience, a screen can be quite restrictive.
It has quite a bit of surface area, so this may still out flow the carb, or any other restriction down stream.
SO.
Have you sorted out the mixtures BEFORE going to the track?
Hurry up, i am getting old.
| Quote: | Originally
posted by westi
That's mad Alan.
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humpty
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| posted on January 9th, 2012 at 07:45 PM |
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| Quote: | Originally
posted by dangerous
Better than no air cleaner, but in my experience, a screen can be quite restrictive.
It has quite a bit of surface area, so this may still out flow the carb, or any other restriction down stream.
SO.
Have you sorted out the mixtures BEFORE going to the track?
Hurry up, i am getting old.
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Your right Dave.... I just fired up the car and it's definitely running richer... Amazed that it seems to have effected it so..... Good thing I have
a wideband O2 on board.... Gonna have a go at the mixtures again tomorrow.... It ran so sweetly before the mods.... If it's proves to be a pain,
I'll pull the screen off and run without.
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reub
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| posted on January 9th, 2012 at 07:47 PM |
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...with
Reub
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humpty
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| posted on January 9th, 2012 at 07:53 PM |
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| Quote: | Originally
posted by reub
...with
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You following me around Reub?
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ian.mezz
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| posted on January 10th, 2012 at 07:28 AM |
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how many turns out have you got your top srcew.
a 6/8cylinder holley on a bug will run a bit rich rich always
better then lean.
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Stanley
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| posted on January 10th, 2012 at 08:44 AM |
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without and hurry up and race this thing.....
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humpty
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| posted on January 10th, 2012 at 10:10 AM |
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Nipples are off, and so is the screen...... The main needle is 2.25 turns out Ian and the idle mixture screws are currently 1.5 out.... What you
running on Rose's car?
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ian.mezz
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| posted on January 10th, 2012 at 12:14 PM |
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| Quote: | Originally
posted by humpty
Nipples are off, and so is the screen...... The main needle is 2.25 turns out Ian and the idle mixture screws are currently 1.5 out.... What you
running on Rose's car?
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top 1 3/4 to 2 @ 7boost , told us to go 2 1/2 if 12 boost
1 1/2 .to 2 mixture.
we running Castrol edge sport oil 25/50
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humpty
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| posted on January 10th, 2012 at 12:26 PM |
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Righto..... Will back mine off a tad then.... It is running way better now the screen is gone, but still a little fuelly.... I'm set at 7.5psi max at
the moment.... No boost bleed built in yet..... Will play with the main later today and report back.
Cheers again.
Simon
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humpty
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| posted on January 12th, 2012 at 01:51 AM |
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All went pretty well tonight.... Not as quick as I'd hoped, but very productive all the same.... First run was really crap.... Car was running really
bad.... I think on account of the fact that I washed the car this morning.... Every time I wash it, it runs like shit.
I should know better!!!!
Anyway... A really rough 15.4 was the first run.... Came back to the pits, figuring that the plugs had gone bad.... Sure enough.... Sooty as.... Fresh
plugs in and the car runs sweet again.... 14.6 was the next run (I think).... Very lazy off the line... Leaving at 3500rpm... Lazy 60' of 2.06....
Hit 93mph through the traps.... Straight around for another run.... Harder launch at 4k.... Missed the second shift, but trapped 14.4 and 96mph I
think.... Next and last run was very bad.... Running a pro tree this time against a new Nissan Skyline.... First race I lost.... Car bogged really
bad.... Was missing big time on the line.... Really, really crap run.... 14.6 I think... Missing badly.... Plugs have gone again.... But the POS is
making around 7psi, which is what it's set at.
Still have big fuel issues.... The Adjust-a-jet was messed with once tonight.... It's now sitting on 1.5 turns out, and the idle mixture screws are
1.25 out.... Too much at idle obviously, as the engine is producing a bit of black smoke.... I think the 50cc pump diaphragm (squirter jet is a 28) is
too much for the lil'engine.... I have 30cc to put in tomorrow.
These numbers are just off the head.... I have the slips in the car.... Will confirm it all tomorrow.
A very successful evening out.... Still heaps to do, but all in tiny steps.... I can't thank everyone enough for coming to the track today.... The
officials all really liked the car... The scrutineers loved it... it sounds awesome, looks the part, launches well and runs straight.... Time to boost
it up!
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matberry
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| posted on January 12th, 2012 at 08:06 AM |
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Awsome.....fun at the track
All this fuel/plug issues...crikey, must be driving you mad.....is your ignition doing what it is supposed to....is the advance curve doing what you
want it to?
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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ian.mezz
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| posted on January 12th, 2012 at 10:24 AM |
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so new set up is still way better. ?
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humpty
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| posted on January 12th, 2012 at 11:23 AM |
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It's very frustrating for sure, but the it's running heaps better than with the weber.... Still not certain the ignition is right, but I know the
fuel is rich... If that is caused by an incorrectly timed ignition, I don't know...
I think the issue with the ignition is more down to how I have mounted the sensor than anything else.... The way it's fixed, makes it hard to read
the timing marks, so it's hard to determine timing accurately.... Also.... The bracket is clearly not strong enough as it looks like the sensor has
touched the timing wheel, so things might be out of whack..... I'm going to redo the sensor bracket and build in some adjustment.
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Stanley
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| posted on January 12th, 2012 at 12:20 PM |
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Good news Simon. Baby steps is the way to go.
Mine used to soot the plugs up something fierce when I was running low compression.
I knocked the idle up to help it burn off some of the fuel. Even with the 600 Holley i don't have that issue anymore running higher compression.
Timing could also be part of the problem as you say and might be an easier fix. Jetting will also help.
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Doug Sweetman
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| posted on January 12th, 2012 at 01:16 PM |
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Humpty - hope you dont mind if I post a couple of photos ?
Crowd support was good for the bugs too. Unfortunately Herman's usually reliable (10 years on same combo) 2.7L type 4 has serious overfuelling issues
and only completed one (ugly) run, bending traction bar and generally being a pig.
Rolling up to start line. Sadly, no epic bogan burnouts
Humpty's first run (about a 15.6 from memory), he still won even with the sooted plugs.
Another run later in the night. From memory, the third of his succesive mid 14 passes, with nasty bog on the start line.
One of the supporters in the pits (didnt catch a name)... low enough to gain approval from my son.
Hermans monster on its only run... didnt catch the time.
And there was a very tasty blue split (barnie I think) microbus in the car park outside too !
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humpty
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| posted on January 12th, 2012 at 01:23 PM |
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Cheers for the pics Doug..... You make me look good! 
And that Barny you mentioned in the carpark is my brother 23 window BD..... Awesome bus that!
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humpty
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| posted on January 12th, 2012 at 03:26 PM |
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Some others from one of the pro's....
http://photoshop.fullyautomotive.com/index.php?do=photocart&viewGallery=1...
I know Brian White took some pics too.... And a spot of video.... Should be good for a laugh!
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ian.mezz
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| posted on January 12th, 2012 at 03:35 PM |
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roses bug only seems to get a bit fuely after idling to long.
on the road its great to drive.
i think we have to do it like top fuel cars just start it before the race.
Talking about fueling up those top fuellers make your eye water.
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Doug Sweetman
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| posted on January 12th, 2012 at 10:20 PM |
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Yeah seriously nice bus... First barnie I have seen in the flesh !
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humpty
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| posted on January 13th, 2012 at 12:48 AM |
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Here's Brian's good work....
http://www.brianwhite.com.au/index.php?do=photocart&viewGallery=10098#page=1
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humpty
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| posted on January 13th, 2012 at 06:48 PM |
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I have found more information on the carb setup.... There is one other thing that I need to do to the carb to make it work for me.... All this info is
hard to pull together, but I'm getting there.... It's mostly down to me asking the right questions.... And I can only ask the questions, when I have
the experience and seat time done...
The car is killing plugs after only a couple of runs.... I have since found out that the issue is a common one, but one that is easily solved.... I
need a smaller accelerator pump shot.... Which I suspected was a potential problem before I went racing.... After Wednesday's T&T, I know this is
the problem....
I feel I'm getting very close to making the good power I know this little engine can make.... I still think that a mid 13 is there with the current
setup (7psi).... Short gears and all.... Once the carburetor is sorted, I'll need to work on the launches and then more boost will be thrown in....
Then we will see some good numbers....
Then it's time for a built transaxle, HD axles and the stroker!
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