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Thread: Japspeed VH45DE Twin Turbo S15

  1. #61
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    Shit the bed !!!!!!!!! ,thats gonna haul ass . top job .

  2. #62
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    Thought an update would be needed on these cars as they have moved on a bit since the first builds, the Black and white one has now gone to Ireland to be driven by Shane O'Sulliven for the 2011 Prodrift series.


    Shane Lych's still has the VH45DETT engine from last year and is getting an overhall for the 2011 season




    Before work started and how it finished the season




    Engine on its way out for a fresh up




    So is the dash as we have put a tighter fitting roll cage into the car, thanks to Peter at Fabricage as the last cage was slightly off the A pillar and Shane was banging his head



    As you can see the cage is much tighter to the A pillar and roof






    Now just all needs painting

    Engine bay after one season



    Now all painted





    Engine had all been checked and was perfect, considering its a standard NA running 260BHP from stock and we was running just short of 600BHP though it all it held up quite well, just gave the engine a refresh and a coat of paint.



    More heatshielding as been fitted as this thing gets so hot under the hood. Also new style screamer pipes


  3. #63
    South West Rep Evilchap's Avatar
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    Every time I see this my hat goes off to you... getting that engine into the S15 bay is no easy task!

    Did you find the engine higher than the Rad? If so.... where have you stashed the header tank?

  4. #64
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    Looking great guys. I hope ye have it back over in Ireland again this year!

  5. #65
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    Saw this at knockhill and loved it. Freshen up looks brilliant.


    Cheers Aj

  6. #66
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    This car is amazing! Great job!
    Respect from Italy!
    Very very nice car!

    Arian

  7. #67
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    So everyone it has been far to long since this was updated, and the cars have undergone some major changes since i last posted in the thread.



    



    So here is a quick update of whats been happening in the world of team Japspeed.

Our 2011 season never really ended if we are honest as we literally finished the event at sunderland and began prepping the cars for the demos at topgear live show, followed by tyre testing in spain with sponsors maxxis tires again then followed by the live action arena demos at Autosport! 







    
We must say we have been thrilled to be asked to do so many demonstrations and really believe that its helped to get drifting in the uk noticed! 
We have seen and met many of you at the events and given away so many freebies to so many people! ITS BEEN AWESOME!!!

We have new sponsors on board this year with Monster Energy now sponsoring two of our cars and the team and also Factory Moto getting on board and providing us with all the cleaning products we require to keep them looking super cool!





    On our return from Autosport we decided that we needed to continue to push forward with the builds with the car and it was quickly decided that the cars needed to go on a diet! From the feedback from the drivers we needed to get some better balance to the cars.



    

so after chopping as much weight out of the cars as possible we the decision was made to design a custom rear mounted radiator setup to aid cooling and also create a better balance with some of the weight being transferred from the front to the back.





    

The workshop lads quickly got to work with this as realistically we only had a few months before we needed to be ready for the British Drift championship of 2012!
Baggsy’s Subaru was first to take shape with the team orange Subaru over in japan being the inspiration for the design.

Ant did a great job at creating the intakes in the doors and if you get a chance to look at them closely you can see that they are a work of art!!



    



    with the Subaru well under way we decide to do the same to the V8 S15, this was the car that suffered from cooling problems the most and we knew that the two turbos situated behind the front lights were not helping matters! The engine was tired and we knew this was due tot he extreme temperatures under the bonnet on race days!

The design was going to have to be very different compared to the Subaru and we left ant and his hands to do the work! After a quick search on the internet Ant was creating once again some air intakes to replace the rear quarter windows and this time the inspiration was the Shelby 500 (Elenor!) Once again Ant did not disappoint the team!





    

With the rads fitted and uprated water pumps connected to the system and 2 x kenlowe performance fans fitted to each race car we knew we had the cooling sussed! with the cars almost ready for mapping we then got the news that Quaife engineering who had supplied us with the sequential gearbox used to cope with the power of the V8 S15 were going to provide us with the same gearbox to fit both our RB25NEO powered S15 and also our 1JZ powered Subaru! RESULT!!! This technically should mean that we never have another stripped gear EVER!!! 




    



    By the time we had the gear boxes it was only days before the cars were due at mapping down at Protuner down in the midlands. Despite all the planning and organizing we were getting down to the wire!

The whole team got involved and put in some late nights to get he cars ready and we set off for round 1 of the BDC at Teesside Autodrome!

This brings us to last weekend, we arrived on the Friday and got in an hours practice with a full field of drivers! All the Japspeed cars were working a dream, no cooling issues at all and the new sequential boxes were perfect! All the Drivers were on top form and we were hopeful for a good result.

    



    
Straight in to Saturday and it was visibly noticeable that Baggsy, Shane, Paul and Sullly were all glad to be back in the driving seat with them all pulling great run after run!
At the end of qualifying both Paul Smith and Shane O’sullivan had made it into the top 16 battles on the Sunday, with Steve Biagioni and Shane Lynch narrowly missing out!
Sunday arrived and due to a mechanical failure with one of the other competitor in the BDC this meant that everyone moved up a position in qualifying allowing Baggsy a space in the top 16!!
All the cars worked faultlessly with the hard work and changes had done exactly what we needed to improve the cars, we watched the day unfold and before we knew it our drivers were battling it out against each other for a place in the final! 
Shane O’sullivan in the Monster S15 went through to the final whilst both Paul Smith in the 1JZ S15 went up against Baggsy in the 1JZ Subaru in the 3rd and 4th place battle!

    





    

We witnessed Great Driving with shane taking the VICTORY!!! And Baggsy coming in 3rd with Paul in 4th! What a great start!

    


    




    we have to say that we are really pleased with the improvements we have made and also with the result we have achieved! A big Shout out goes to all our sponsors as without them this would not be possible!
We would also like to thank any of you who turned up to support team Japspeed at Teesside and all of those that sent your congratulations on the forum!
Its been good and we look forward to round 2!
Time to think of what we can do to the cars Next, and i promise to try and update this thread more often!





    I will leave you with this video we made as a teaser to begin the new season, check it out!!


    http://

    regards

    Paul and the Team.
    Last edited by Japspeed; 01-05-2012 at 13:16.

  8. #68
    Flamethrower Japspeed's Avatar
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    Hey Guys here's a mega Update on the Improvements we made to our Japspeed Cars in the last few months to the cooling! See below and enjoy!

    Motorsport has always been the forefront of development in the car world. Striving for the ultimate in performance to gain an edge over rivals no matter how small; is what helps make winners out of contenders. Team Japspeed never sit still in the quest for Maxxis British Drift Championship glory. The winter saw a step up on the development programme with some Rallycross-inspired modification to both the 1JZ powered Subaru Impreza and the VH45DE TT equipped Nissan S15.



    The theory behind this radical cooling system overhaul was for three reasons; to gain a better weight distribution, this will aid balance and on-the-limit handling. In an ideal world, a car should have 50/50 weight distribution to give the perfect mix of nimble road holding and stability. Besides handling, the relocation was intended to reduce the power-sapping heat soak from the engine bay. Parking on a start line with a hot engine running often saw temperatures rise. A final bonus reason besides these performance gains is that it frees up space under the bonnet to work. Making quick repairs easier for the mechanics to complete when under pressure at rounds of the Maxxis British Drift Championship. Everything for this radical swap-around was done in-house by Team Japspeed’s development crew. The Subaru and S15 both share similarities and the same principles, but with some subtle differences between the two. Here’s a quick walk through on how we did it.



    The first step is a scary one. After some marking out, the floor pan was chopped to accommodate the huge cooling system. No going back now!



    Things progressed with lots of measuring, offering the radiator into place and making a dummy radiator box out of cardboard, this is the easiest medium to use to make templates from. Both the S15 and Subaru run huge modified Supra Mk4 alloy radiators that are from the Japspeed product catalogue.



    With the positioning of the radiator sorted out, it was time to fabricate the box out of alloy.



    The air has to come in from somewhere and in this application, the rear doors were chopped about to start working out the route for all that lovely cool air.




    After the route was decided and the initial vents cut in, the door panel was sealed on so that none of that lovely cool air was going to waste and pointlessly wafting around the car interior.



    To channel all of this air into the car, it needed some custom scoops. It was a time consuming process, but worthwhile for the end result.



    The scoops were then painstakingly crafted into the doors, things are really starting to take shape now!



    The radiator box was extended internally and hooked up with cold air feeds to maximise the air into the box.


    The Supra radiator is huge; nothing like a bit of over kill in motorsport, so the system was further beefed up with a large alloy reservoir/header tank. The Subaru and S15 now run between 15-18 litres in the system! Helping things circulate is a powerful electric water pump.


    To ensure the best possible cooling; a pair of 14″ Kenlowe dual speed fans are fitted to draw cool air in and expel it out of the rear. The fans are controlled by the ECU for pinpoint accuracy.

    To further increase the cooling potential, a Subaru bonnet vent was crafted into the roof to ram even more cold air into the radiator box.


    Underneath the roof scoop the air is channelled down two additional feeds.


    Which in turn are connected to the air box that is located where the rear bench once was.



    The final modification was to cut imposing vents into the rear boot lid. This lets any excess hot air escape to make things as efficient as possible.

    With all the design aspects finalised, the side scoops were given a finishing touch and covered in the recognisable Team Japspeed livery.



    Did it work? Yes! A measurable success! Previously the car would often hit 110-112c on track, now with the radiator relocation it struggles to hit 90c. A solid 20c drop in temperature! Plus less heat soak in the engine bay and more space to work. Not forgetting the weight distribution to aid handling. Literally there’s no cooler modification than a radiator in the boot!


  9. #69
    Guest joey200sx's Avatar
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    awesome

  10. #70
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    its amazing how much you can change under the hood whilst giving the outward impression that not much has changed! Awesome indeed.

  11. #71
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    Good writeup on the radiator mod. Im currently starting work on my rear radiator conversion, Did yous use Hard pipe externally under the car to the back?

  12. #72
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    i would love to do something like this along with the battery and fuse box. one day ill do it.

  13. #73
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    Quote Originally Posted by Garage12 View Post
    Good writeup on the radiator mod. Im currently starting work on my rear radiator conversion, Did yous use Hard pipe externally under the car to the back?
    Yes this used hard pipe all the way underneath the car and after a small incident in testing where the car went grass cutting! LOL! we were a bit concerned that it could catch slightly on something as the car is quite low so have now put an aluminium guard to prevent this!

    After all if the hard pipe underneath was to get damaged whilst being pulled out the gravel or something it could possibly end our day.

  14. #74
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    Hey Sxoc! Check out this small video of us from round 1 of the British drift championship at Teesside Autodrome where we took the win and also got 3rd and 4th place! RESULT!!

    ENJOY!!!

    http://

  15. #75
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    Sweet!! Gowaan Sully, bringing the drift all the way from the west of Ireland

  16. #76
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    Quote Originally Posted by calicagesracing View Post
    Sweet!! Gowaan Sully, bringing the drift all the way from the west of Ireland
    LOL! He is a great drifter and was on it all day! Easy the quickest driver through the final section and obviously impressed the judges on the day! lets see how he can do at Norfolk in approx 3 weeks time!!! Tight and technical track!!

  17. #77
    Flamethrower Japspeed's Avatar
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    Hey everyone, check out our blog from our recent day at Japfest where we celebrated there birthday by smoking the place out!!!

    CLICK THE LINK - http://www.teamjapspeed.co.uk/japfes...birthday-bash/



  18. #78
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    Quote Originally Posted by Japspeed View Post
    Yes this used hard pipe all the way underneath the car and after a small incident in testing where the car went grass cutting! LOL! we were a bit concerned that it could catch slightly on something as the car is quite low so have now put an aluminium guard to prevent this!

    After all if the hard pipe underneath was to get damaged whilst being pulled out the gravel or something it could possibly end our day.
    could you not of run the hard pipes inside the car? would solve any issues of it being damaged from impacting with the ground.


    also japfest was the first time id seen or heard your cars. took me was the scooby loud. it sounded immense though

  19. #79
    Flamethrower Japspeed's Avatar
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    HI Wardy,

    The last thing you would want is the driver being covered with hot water should or some reason anything happen, we simply ran the pipes under the car and there tucked up pretty high to be honest so there shouldn't really be an issue however during testing we did give it a bit of a knock in an off track inccident! lol!

  20. #80
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    Quote Originally Posted by Japspeed View Post
    HI Wardy,

    The last thing you would want is the driver being covered with hot water should or some reason anything happen, we simply ran the pipes under the car and there tucked up pretty high to be honest so there shouldn't really be an issue however during testing we did give it a bit of a knock in an off track inccident! lol!
    ahh yeah didn't think of that. suppose its simple to change a length of pipe rather than having to figure out a way of stopping the water getting to the driver while making sure the pipework is accessible

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