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Another 4 rotor build

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Old 11-19-08, 01:51 PM
  #76  
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Originally Posted by classicauto
Interesting jacket mod, it appears they've just ported out an area in the jacket unlike the traditional grooves, as well as cut a bit on the inside of the tension bolt lands....Any more info on the whys of that vs. grooving?
The factory basically does the same mod on the FD rotor housings.
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Old 11-19-08, 03:59 PM
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Originally Posted by crispeed
Looking good JT.
Thanks, i hope everything works out great. Im so looking forward to starting the car up with the 4 rotor. And im def looking forward to racing it

The engine will be used quite hard on the track

JT
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Old 11-27-08, 04:10 PM
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Originally Posted by jantore
It's been modified to also have dog engagement on 1st and 5th as well, not just 2nd-4th.
What's the reason for having dog engagement in 1st and 5th only?
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Old 11-27-08, 11:01 PM
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Originally Posted by jkstill
What's the reason for having dog engagement in 1st and 5th only?
he said 1st and 5th as well, not just 2nd-4th.
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Old 11-29-08, 03:44 PM
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Originally Posted by Chaotic_FC
he said 1st and 5th as well, not just 2nd-4th.
Ah, thanks, I misread it.
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Old 11-29-08, 05:07 PM
  #81  
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woah, interesting build, cant wait for progress!
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Old 11-29-08, 06:06 PM
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would you please post pre/post weight of car???? I would like to see the weight difference on different setups such as yours.

Thanks
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Old 11-30-08, 01:57 PM
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Originally Posted by khronus79
would you please post pre/post weight of car???? I would like to see the weight difference on different setups such as yours.

Thanks
The car weighed 1190kg with a 2 rotor singel turbo engine. Im hoping it will weigh the same when the conversion is done.

Jan-Tore
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Old 11-30-08, 03:10 PM
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Originally Posted by jantore
The car weighed 1190kg with a 2 rotor singel turbo engine. Im hoping it will weigh the same when the conversion is done.

Jan-Tore

U wish, I thing u will go past 2000kg...
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Old 12-05-08, 05:16 AM
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So 2 boxes of NRS 2mm 2 piece seals showed up yesterday in england Damn currency rates tho, the seals got about 1000 USD more expensive for me in my currency then august

And the 4 rotor shaft and other parts are finished. They will be sent out for balancing next week and will be ready for shipment to england before christmas

I also got a few action pictures of the car from this summer. Before i had some side seals break due to a over rev The log in the ECU showed 12500 rpm :P

See the car all the way back in the picture? It's a race rigged BMW Z4 that is used for 12 hour races
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Last edited by jantore; 12-05-08 at 05:21 AM.
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Old 12-05-08, 03:44 PM
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Looks really good your car Shall be a blast to hear and see it live next year (hopefully at Mantorp Park). What company is building your engine? Are they gonna tune it on Rolling Road or engine dyno 700+ hp way to goo

/Lasse
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Old 12-05-08, 08:12 PM
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Originally Posted by Lasse wankel
Looks really good your car Shall be a blast to hear and see it live next year (hopefully at Mantorp Park). What company is building your engine? Are they gonna tune it on Rolling Road or engine dyno 700+ hp way to goo

/Lasse
I will most likely be at mantorp park yes at Gatebil next year.

The engine will be built by WGT Autodevelopments in the UK. It will aslo be ported and sleeved there, as he has his own way of placing the ports. And they have worked very well for him on the 2 and 3 rotor pp engines he has built. The last 3 rotor PP engine produced somewhere arround 480rwhp as a NA engine

And it will be dynoed on a Dynapac rolling road. And will be tuned by the same person building it. And we will most likely have some extra help my one of the biggest Motec dealers in the uk when it comes to mapping of the engine. As we will be using a Motec M800 with a ignition extender to get the last 2 igntion outputs

But the engine is to be tuned "safe" hehe well as safe as we can to get close to the target of 700f flywheel hp But im happy if i get 650 fwhp.

JT
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Old 12-06-08, 04:36 PM
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Thank you for solid information 480 rwhp on a 20B,he knows his ****

/Lasse
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Old 12-14-08, 08:24 AM
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$8000 for an ecentric shaft though...seriously?!?!?!
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Old 12-15-08, 04:27 AM
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Originally Posted by dragonxbreath
$8000 for an ecentric shaft though...seriously?!?!?!
This is NZD so it's a quite a diffrent price diffrence. With todays currency it's 4385 USD. So it's not very expensive for the complete kit. This is alot of parts. It's with 2 new center housings with bearing support. Bolt kit and so on. So don't think it's very expensive.

JT
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Old 12-15-08, 04:43 AM
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I just got some more pictures of the engine. Everything is almost ready now, the crank and counterweights are out for balancing and will be back by the end of this week. And all the parts will be ready ship out this week

Well some pictures then

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JT
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Old 12-15-08, 05:09 AM
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Originally Posted by jantore
This is NZD so it's a quite a diffrent price diffrence. With todays currency it's 4385 USD. So it's not very expensive for the complete kit. This is alot of parts. It's with 2 new center housings with bearing support. Bolt kit and so on. So don't think it's very expensive.

JT
oh, well thats good then. but their website still says $7995.00 lol...but guess it's not that bad considering
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Old 12-15-08, 12:53 PM
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Do you have any pics of the center housing stationary gear bearing when it is all apart and also any "in process" in terms of machining of the housing and such. I was always interested in how they do it. Better yet do you have some sort of instructional manual of how to do it?

Rob Woods
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Old 12-15-08, 01:12 PM
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Originally Posted by t-von
That $50.00 is assuming you know how to engineer and weld the frame yourself and just paying for the steal.
Why pay for it when it's stolen?
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Old 12-15-08, 01:14 PM
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Originally Posted by dragonxbreath
oh, well thats good then. but their website still says $7995.00 lol...but guess it's not that bad considering
It says $7995 because it is in NZD...not USD.
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Old 12-15-08, 01:18 PM
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Originally Posted by run_rabbit_run
Why pay for it when it's stolen?


What is stolen??

He probably was going to write steel...
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Old 12-15-08, 08:51 PM
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Originally Posted by vest_racing
What is stolen??

He probably was going to write steel...

OK I get it, I just realized I misspelled the word steel. LOL!
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Old 12-15-08, 09:41 PM
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looking real nice. good luck with the build.
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Old 12-16-08, 01:07 AM
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Thanks

Im so looking forward to getting the engine together and getting everything running. I can hardly wait.

JT
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Old 12-16-08, 05:02 PM
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I must say i'm really impressed of the craftmanship of the kit The flywheel/clutch combo is first class Keep up the good work and i be waiting for some dyno numbers

/Lasse
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