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WPVW ben's green supercharged drag beetle 9.90 @ 134 mph

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dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 ·

#920907
Nice updates Ben and Wayne.
New set up should have pick-up!
You will be amazed how much fuel a blown car can handle.
Mine was using metanol at about 18lt/min at 7000 rpm, which was about 9lt per run.
This was with the blowers supplying about 4.55 lt of air per revolution.
This information may help when you choose a fuel supply system.
westi wrote:That's mad Alan.

20bkombi Wolfsburg Wizard

597 posts · joined Mar 2009 ·

#920910
Nice progress Ben. Looks like a full set of albins gears, but no super diff or spool?
Are you running the same engine combo this year?

Just a few more late nights to go.... Keep up the good work Ben 👍👍
AARON'S SPEED SHIFT AUTOS
Specialising in Vw automatic transmissions, differentials and torque converters
Stock or modified to suit your application (street, drag, off road)
Ph 0402 233 027

2442supercharged Seriously Crusin Dubber

137 posts · joined Jun 2011 ·

#920918
yeah it is a full set of albions gears with a welded diff and i am running the same combo as before not changing anything still a few nights to go i should have the enigne done tonight than start on manifolds thursday

typethreeking Wolfsburg Wizard

621 posts · joined May 2008 ·

#920933
Lookin good Ben, should be good to have a blower that doesn't leak boost pressure, what sort of boost do you think it will make??
BEING ASPIRATED FEELS GREAT BUT BEING BLOWN TAKES THING TO A WHOLE NEW LEVEL....

2442supercharged Seriously Crusin Dubber

137 posts · joined Jun 2011 ·

#921051
i am hoping to run 20 to 25 psi

humpty Bishop of Volkswagenism

3,336 posts · joined Sep 2002 ·

#921055
2442supercharged wrote:yeah it is a full set of albions gears with a welded diff.....

I thought welded centres were not allowed?
FUCH your early!

http://www.noh2o.org/

2442supercharged Seriously Crusin Dubber

137 posts · joined Jun 2011 ·

#921176
i check the rule book and i could not find anything about it

humpty Bishop of Volkswagenism

3,336 posts · joined Sep 2002 ·

#921192
It is something that came up at Kwinana last year.... One of the tech guys at the track was talking to another racer about it.... It could will be untrue, but worth finding out for sure I reckon....
Maybe some of the more tech savvy/aware racers here will be able to clear it up?
FUCH your early!

http://www.noh2o.org/

whathaveidone Custom Title Time!

1,559 posts · joined Feb 2010 ·

#921195
How would they ever know?????


scrutineering guy Q. Is that Diff welded???
racers A. No
scrutineering guy. Ok

2442supercharged Seriously Crusin Dubber

137 posts · joined Jun 2011 ·

#921227
i have never been asked about the diff

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 ·

#921243
I was going to keep my mouth shut about this
because I would prefer to make only positive contributions, but...

Welded diffs are not legal for andra sanctioned events. (it IS in the rule book)

It is ones personal choice whether they lie about it or not,
as is your safety, which is the reason they are disalowed.

Correctly made spools are not expensive when compared with other race car parts,
and can be purchased either here, or in the USA.

They are also a good way to eliminate the weak cast IRS iron factory carrier
that I have broken before when I used to run super diffs.

Locally, Dave Stoker has made some, and I am also sure that Albins makes a solid shaft
that will run through the stock carrier, or one of their own billet steel superdiffs.
westi wrote:That's mad Alan.

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 ·

#921258
Cant seem to find the rule I spoke of in the current rule book.
Perhaps it was a repressed memory from an older time!
Anyone concerned should perhaps ring ANDRA's tech line.

If it were me, I would, as a minimum, get a steel hemisphere cover to replace the factory cast one.

Make sure the welding and housing is regularly mag particle crack tested.
westi wrote:That's mad Alan.

modnrod Fahrvergnugen

978 posts · joined Mar 2011 ·

#921350
dangerous wrote:Welded diffs are not legal for andra sanctioned events. (it IS in the rule book)

It is ones personal choice whether they lie about it or not,
as is your safety, which is the reason they are disalowed.
I think it's under the General Safety Regulations for SS/SST in the rear of the book (at work so can't check ATM) Dave.

A throwback to the "good-old-days" when every second Chevyshit with C-clip axles would throw a 28x10.50x15 and Centreline in a graceful loop over the heads of the startline crew coz the welded diff strained the axles........

Having said that, I'm with Dave. Personally I wouldn't be comfortable with it, coz I've had to catch a car that speared into the wall at 100MPH when an axle broke, and that was with a spool, which gives a fair bit more leeway.
But hey, race and have fun man, each to their own I guess.

2442supercharged Seriously Crusin Dubber

137 posts · joined Jun 2011 ·

#921391
modnrod wrote:
dangerous wrote:Welded diffs are not legal for andra sanctioned events. (it IS in the rule book)

It is ones personal choice whether they lie about it or not,
as is your safety, which is the reason they are disalowed.
I think it's under the General Safety Regulations for SS/SST in the rear of the book (at work so can't check ATM) Dave.
can you plase give me a page number as i have looked over book and can not see where it says no welded diffs

hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m

2,151 posts · joined May 2004 ·

#921429
modnrod wrote:I've had to catch a car that speared into the wall at 100MPH when an axle broke, and that was with a spool, which gives a fair bit more leeway
please explain how a solid spool has a bit more leeway than a welded diff when you break an axle . We are on a public forum here where others read and learn from our advise . Thanks , Wayne
Team

FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)

modnrod Fahrvergnugen

978 posts · joined Mar 2011 ·

#921458
I meant a mini-spool on a 9" diff Wayne, sorry for any confusion there! Turning into the pit bay you can hear the centre ratcheting and going clunk-clunk-clunk as you turn in a bit, whereas with a solid diff the tyres just chirp and squeal coz it's all locked.
As you know, with a solid centre of any kind, when you break an axle the problem isn't so much losing drive to one side of the car and getting driven sideways under power, it's more of a shock when you lift off the throttle (uhmmm, as you do when something goes BANG! 🙁), and the car now spears in the opposite direction just as quick. The only way to keep them fairly straight is to try to hold a steady throttle foot and get on the brakes smoothly to pull them up. The difference between a welded centre and a machined solid centre is also the metallurgical properties changing on the welded steel, something Dangerous referred to.
Hopefully others on this public forum can now understand why I personally don't like them much.........then again, I always was a bit of a scaredy-cat.

I didn't mean to jump on anyone's party here, I used to run a welded Banjo diff in a 308 Torana for a while, and most people know how strong those things are.........NOT!!! 😂 At least with the VW your wheel and axle aren't gonna fly off into orbit. Apart from the handling issues there aren't any safety dramas with a VW, but then again I'm not an ANDRA tech guy, so it's not my decision to make. You guys do what you feel comfortable with, and have a good race. 👍

whathaveidone Custom Title Time!

1,559 posts · joined Feb 2010 ·

#921461
that still does not make any sence????? A spool locks the centre, so the inside wheel is always going to "chirp".mine always does!!! It makes no difference to an axle wether the center is welded or a spool if there is enough power its going to break regardles.

modnrod Fahrvergnugen

978 posts · joined Mar 2011 ·

#921511
I said mini-spool.
I don't have to say "do what you feel comfortable with" again........
*sigh*
I'm bored with it all, wish I'd never said anything.

By the way Ben, I love your car man. Blown Bug's have a soft spot in my heart, and yours is a really nice one, I'd love to hear the thing make a pass.
Enjoy. 👍

hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m

2,151 posts · joined May 2004 ·

#921814
well we ran into a small issue with Bens' engine ..... when washing all parts for reassembly we discovered that the gudgeon pin on No.3 cylinder was bent and had flogged the piston . There is approx .003" ovality in the piston boss which allows the pin to float excessively . This is on the cylinder where the rod came loose .
After a quick ring around to some reputable VW drag racers , no AA or Wiseco pistons could be located in 94mm . So Ben has ordered a set of 94mm JE race pistons from US and are expected to arrive tomorrow .
Meanwhile I have continued with fabricating manifolds for the blower and Ben has concentrated on the body / interior .
The window net , parachute , new blower pulleys and other items have arrived for Bens' bug and he has also lashed out and ordered a RLR rev-6 dual disc clutch assembly , which will arrive in a couple of days .

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Team

FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)

hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m

2,151 posts · joined May 2004 ·

#921815
more progress pics

5 attachments · Log in to view

Team

FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)

hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m

2,151 posts · joined May 2004 ·

#921816
more progress pics

5 attachments · Log in to view

Team

FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)

hypo-vw Australias 1st 10sec street beetle (Jan 2007) 10.49secs@132m

2,151 posts · joined May 2004 ·

#921817
more progress pics

3 attachments · Log in to view

Team

FASTEST ET @ WARWICK 2010 & 2011
FASTEST SPEED @ WARWICK 2011
FASTEST ET & SPEED WSID 2012
PB - 6.33@113.07(1/8) & 9.88@135(1/4)

humpty Bishop of Volkswagenism

3,336 posts · joined Sep 2002 ·

#921831
Wow that's some fancy stuff there Wayne!!!.... Ben is investing in some nice toys and quality work.
FUCH your early!

http://www.noh2o.org/

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 ·

#921837
MAN, even I am getting excited about this upgrade!😊
westi wrote:That's mad Alan.

LIFE IN THE LOW LANE All people have the right to stupidity but some abuse the pr

2,534 posts · joined Mar 2007 ·

#921839
In the words of dangerous "salubrious"!!!!! lol
ACCEPT THAT SOME DAYS YOU ARE THE PIDGEON AND SOME DAYS YOU ARE THE STATUE

Alder Outlaws VW Racing - check it out on fb!!

typethreeking Wolfsburg Wizard

621 posts · joined May 2008 ·

#922010
Looking good ben, hope all goes well for the lead up to Warwick.... Did I mention you've only got two weeks....😂😂😂🤪
BEING ASPIRATED FEELS GREAT BUT BEING BLOWN TAKES THING TO A WHOLE NEW LEVEL....