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 rhrnldi
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| posted on November 17th, 2002 at 08:13 PM |
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500 bhp - what kind of gearbox? G50/930 ....
With 400-500 bhp planned i am looking at gearbox options. G50 is too expensive and the 930 seems to be the best comprimise.
Does anyone have any suggestions?
Has anyone fitted this kind of gearbox into an IRS chasis?
It was planned to run a coil over rear suspension however this is not an economically viable solution. And the car cannot be road registered.. i am
led to believe.
At this stage 944 alloy trailing arms are being used.
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 kombi_kid
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| posted on November 17th, 2002 at 08:34 PM |
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what motor r u using out of interest?
cheers
rhys |
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555bug
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| posted on November 17th, 2002 at 09:36 PM |
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if you can afford 500hp a G50 should seem like excellent value at 4~7K depending on where you look. |
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speedster356
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| posted on November 18th, 2002 at 06:02 AM |
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G915 install
Try this site..
http://www.ricola.co.uk He's using the 915 gearbox.
[Edited on 16-6-2003 by speedster356]
Spyder-WISD 07-09-05 11.6s @ 125 MPH
Speedster-WISD Nats 05 14.4s @ 89 MPH
Jet cruiser-Coogee 22-09-05 900 deg C @ 110,000 rpm
Weaseling out of things is what separates us from the animals....................Except the Weasel.
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The_Bronze.
A.k.a.: Bronze
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| posted on November 18th, 2002 at 12:35 PM |
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Yes, I'm with Rhys, I'm also keen to know more about the motor and it's application. Is this for the street, registered offroad, or
street registered Drag.
Tell us more.:bounce
[size=4]Bronze.[/size]
Rathmines, Lake Macquarie, NSW.
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rhrnldi
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| posted on November 18th, 2002 at 02:33 PM |
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The Engine
So far maga bucks have been spent on the engine as it was planned to be a supercharged drag motor. Special Autorotor blower has been replaced by twin
turbos. This has been switched to a twin turbo sports sedan following bad experiences with people in the Drag Scene. This vehicle will be street
registered and drivable.
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vdub2c
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| posted on November 18th, 2002 at 04:12 PM |
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you better put wings and landing flaps on the thing...
cos once you get going it'll take off!
can't wait to see it :bounce
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Che Castro
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| posted on November 18th, 2002 at 11:32 PM |
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shugar! 500hp on the street, cant wait to see it. that would be damned scary and dangerous in the rain!!! 
Jon
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Flintstones
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| posted on November 20th, 2002 at 02:24 PM |
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Mark Thurston in the UK put a G50 in his German Look Oval.
A very big job as the rear torsion housing was cut, so that the box could fit (it's a very big box!!) If you can get a hold of VolksWorld October
2000 issue there is a full feature on it.
Cheers
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rhrnldi
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| posted on November 20th, 2002 at 05:29 PM |
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Volksworld October 2000
Has anyone got a copy of the Volksworld October 2000 that features this G50 into Bug article.??
Can anyone photocopy it or scan it and email this to me.??
Help is appreciated.
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70AutoStik
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| posted on November 20th, 2002 at 10:02 PM |
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500HP - if you can afford the $20k+ to build such an engine, why would you even try to kill it on the street. OK, I realise this topic is BS; but for
the sake of an argument, you would have trouble hooking up such a rear-engine in a rail - trying to get it legal on the street in any practical form
would try the best engineers in the world. Certainly not within the realm of anyone who would worry about the cost of a transmission.
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rhrnldi
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| posted on November 20th, 2002 at 11:46 PM |
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Interesting View
It is amazing how many people openly criticise other projects. The engine has not cost over 20K and will not as this has been a project that has had
money spent VERY carefully, the right research with the right people. I am not prepared to throw 3 K here and there to get the car finished quickly.
Get the car to hook up? i dont know many sports sedans that can HOOK up quickly...
The car will be able to run on the street as in car adjustable boost control is being used.
It is this type of attitude within the 4cylinder drag and VW community that pushes people away.
Please post a picture of your 10 sec street car and then maybe i will eat mywords.... 
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The_Bronze.
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| posted on November 21st, 2002 at 04:26 AM |
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Ding ding...
...and in the red corner tonight we have
Now now boys this is a friendly game and everybodies a winner. If he can get it together good luck to him I say, just as long as he dosen't kill
any of my kids showing it off I happy to endorse any VW project. I think all the best project are those well researched and maticuliously planned, a
big part of that is more bang (in the motor) per dollar, and I guess in this case less bangs in the gearbox.
Can't help you with the mag but is you send a blanket e-mail to all the libriaries in your area you should have one that subscribes to Volks
world or you can email the Australian distributer for a backorder stock purchase.
By the way, mines a 10 second VW. Takes 10 seconds to get it to start :P.
[size=4]Bronze.[/size]
Rathmines, Lake Macquarie, NSW.
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Secoh
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| posted on November 21st, 2002 at 07:29 AM |
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anyone fitted up a renault 20/21 (audi 100 turbo) transaxle? Apparently these are able to cope with 500+hp.
Depending on the motor used as a base, 500hp is not that big an issue to build in the scheme of things, and can be had for far less than 20k, as long
as your able to build it yourself.
I recon theres too many VW enthusiests and not enough performance pioneers....LOL
If it aint broke,
Make it go faster!!  |
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Bugged Again
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| posted on November 21st, 2002 at 10:52 PM |
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This might be a silly question but what does hook up mean? apart from scoring with the chickie babes.
Still haven't told us what the engine/car is, i think we are all intriqued, the carrot has been dangled. |
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rhrnldi
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| posted on November 22nd, 2002 at 12:15 AM |
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The engine
Scat three piece case - dry sump
T4 /912 bearing sizes
Scat flanged super light crank - 86.5mm
Autocraft 910 series heads
Autocraft cylinders
Wiseco pistons 98mm
Carrillo 5 7" rods
Autocraft 3 stage oil pump
Twin turbos - stainless exhaust
Autronic EMC
12 blade porsche fan
porsche rsr clutch assembly
other items tba
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Secoh
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| posted on November 22nd, 2002 at 07:43 AM |
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What turbos are you using? I'm about to set up for a pair of TDO4's on a wasserboxer.
If it aint broke,
Make it go faster!! |
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KruizinKombi
A.k.a.: Col
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| posted on November 25th, 2002 at 12:22 AM |
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Sounds like an awesome project to me, I'd love to see some pics.
I was looking at putting a V8 into a kombi some years ago and the Renault gearbox was recommended by a couple of people. :thumb
Kruizin Kol
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Cam
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| posted on November 25th, 2002 at 12:31 PM |
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| Quote: | I recon theres too
many VW enthusiests and not enough performance pioneers....LOL
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amen to THAT!!!
I love the sound of your motor, should be an amazing car. 500BHP works on the street, look at all the hardcore street machines, personally I'd
prefer to spend 20K on running gear like that than buy one of the altenatives (not that they'd be able to keep up anyway) although building a
very potent bent 8 powered lead-sled or hot-rod comes a very close second.
I say good on you dude! I'd love to see pic's of the car or since you're in Melbourne check it out in person when it's done. Have
you looked at doing some group 5 sprints at all? They go to tracks like calder, phillip island, winton, etc... full race pace allowed. very casual
day, good company and VERY cheap to enter, all things considered 
if you're interested send me an e-mail campbell_winks@yahoo.com
For the record... A good rebuilt 915 Porsche 'box should do you nicely. Budget a couple of grand to buy one (give APORSCHEPART a call,
they're in the white pages) The stronger (and cheaper) alternative is the 930 g'box, but then you're left with 4 gears stil (and very
high ratios) you can normally get them with teh HUGE brakes and rear A arms still attached, which would be the ideal set-up for your beetle anyway,
particularly with this sort of power.
Hope this helps, if you have anymore questions I have some links I can dig up, so just e-mail me.
later,
Cam
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Baja Wes
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| posted on November 25th, 2002 at 02:45 PM |
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Just ignore the people that knock your plans. They pick on everyone who has a crazy idea, even me.
I think with 500HP your going to have all sorts of drive-line probs. You will need 930 CV joints but you probably know that.
I don't know what gearbox to use, I am currently trying to figure out the best combo to contain 200HP.
BTW, I don't think you will get it registered. Your engine specs tell me your engine is 2610cc. Since it is turbo, your car will have to weigh
2610/2.5 = 1044kg to be legal. Are you planning on making the car weigh that much?
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rhrnldi
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| posted on November 25th, 2002 at 07:53 PM |
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BHP LIMITS
The best part of a EFI Turbo system is that the system can have adjustable boost control giving 300 with mega lag and 400 on tap and stretching 500 if
i want - full rebuilds would needed to sustain 500bhp.
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rhrnldi
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| posted on November 25th, 2002 at 07:59 PM |
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Gearbox Options
901 - Good gearbox - 200bhp
915 - Good box but you cant rebuild the box into a good unit, hard to find a good unit and then they are never really right anyway.
930 - Better box but 4 speed. longer and heavier than 901/915.
G50 the best box but substaintially heavier needs to be relocated forward and coil over rear end.
Kombi gearbox - cheap option and good for 200 bhp. will need custom gearset.
Beetle box - good box need rhino case or autocraft, custom gear sets, quaiffe / lsd. - Note USA drag racers with this type of box replace ring and
pinion on a regular basis. Not tuff enough for BIG hp applications or continuous use.
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Cam
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| posted on November 25th, 2002 at 08:50 PM |
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maybe a custom race 'box would be best?
Ofcourse, it depends on your budget, the hardcore race beetles in Germany run these but the name of the manufacturer excapes me... *scratches head*
I'll do a search and get back to you.
But they offer 6 straight cut gears, sequential shift and are actuallly a very decent size :-)
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Cam
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| posted on November 25th, 2002 at 09:12 PM |
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http://www.uhsport.de/
This class is called the "divinol cup" basically for outlawed race cars aka: former DTM, group 5 rally cars, open class beetle cup,
etc...
All the beetles run the previously mentioned transmissions made by Hewland in the UK.
Here's a link to a very descriptive page, but it seems to be down atm but still showing up from search engines.
http://www.bonekar.com/VolksWagen/TypeVier/us/GtpUs.htm
You could try a search for Dr Gerold's beetle, which could bring something up on the main VW in the class.
http://www.hewland-engineering.co.uk/
Thats a link to the transmission company itself, if you get in touch with them and say what you're after they might be able to reccomend
something.
Another option would be to run an upside down WRX 'box with a dry sump trans kit. Melbourne based Holinger sell parts for this incl'
straight cut 6 speed sequential kits http://www.holinger.com.au/dogchange.html#porscheseq (scroll up to see the rex one)
Quaife apparently have a gearbox for VW's, but I'm not sure what the go is and I've heard 2nd and 3rd hand info about them being
10,000+ http://www.quaife.co.uk/ http://www.quaifeamerica.com/ (I assume they're listed on the site' if available, but contact them if not)
Hope this gives you some ideas and/or contacts.
Cam
[Edited on 25-11-2002 by Cam]
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Flintstones
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| posted on November 26th, 2002 at 08:01 AM |
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Have you thought about the Mendeola box from the states? it's what a lot of the vw's drag cars are using....
cheers
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Che Castro
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| posted on November 26th, 2002 at 09:39 AM |
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phew! sounds awesome! maybe u could take on the penroses for Australia's fastest beetle!
Jon
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rhrnldi
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| posted on November 26th, 2002 at 05:14 PM |
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Fastest Beetle?
No chance of being the fastest beetle as the car will be too heavy and too highly geared. The car will turn corners and be user friendly as
possible.
Drag car was the original plan but i cant afford to keep up with the Butlers / Penroses with big engine / turbo / blower combinations. - Things go
Bang! = MEGA $$
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waltermitty
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| posted on November 26th, 2002 at 06:17 PM |
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I'm just hitching a ride with this post does anyone have or know of a G50 or a 930 turbo gbox for sale?
M
23 windows ...8 too many!
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rhrnldi
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| posted on November 26th, 2002 at 08:47 PM |
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Gearbox Prices
930 gearbox $4500.00
G50 gearbox $6500.00
Aporschapart Melbourne.
All boxes 2nd hand and new LSD recommeded - Buy a quaife better option same price.!
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Pat
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| posted on November 27th, 2002 at 01:35 PM |
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Just out of interest how much did the motor cost you?, who built it?, hope I'm not prying. |
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