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Hitachi Bathurst sp twins 650ps

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Old 08-13-18, 05:53 AM
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Sounds like a great idea but to send you a brandnew set of Bathurst SP twins to someone I don’t know I don’t think so .

But How about u give me $3750 usd and do the back to back testing and if u want them u will need to pay an extra $750 usd , and if u don’t want them send them back used and I will pay for postage And I will fully refund the full amount .





Old 08-13-18, 12:21 PM
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Or I can put on an EFR single for half of that cost and end up with better performance all around?
Old 08-13-18, 02:32 PM
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Originally Posted by Bryan@BNR

Why didn't you take IRP up on the back to back dyno comparison?
+1 for IRP (or any other guy in the US) testing back to back BNRs and Hitachi SP turbos.
Old 08-13-18, 06:25 PM
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1:which Efr turbo makes full boost at 3000rpm
and power to 8000rom
2:and also it’s not legal in Australia to run a single turbo Fd3s rx7 , bolt on at your own risk if u get pulled over u will get fines and a defect , and then iit’s costly to put the twins back in .
3: next what’s the total price to bolt in efr turbo with a quality install plus labour and all extra supporting things , intake , heat shields , boost controller , etc
it all adds up when you want a good job done .
4. Anyway Most poeple that look to buy rx7 will rather buy a oem setup car than a singlet turbo setup rx7 they hold there value lot more.




And who is IPR guy , I’ve been open for anyone to do back to back test with the Bathurst SP twins , but no one has comitted to pay the cost of item , I’m not going to give a new set of Bathurst SP twins to someone in USA without some funds .

Have a nice day boys


Last edited by THE DOCTOR; 08-13-18 at 06:29 PM.
Old 08-13-18, 07:30 PM
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That was fun.
Old 08-13-18, 08:06 PM
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No one is saying you have to give away a set. But who on earth would pay full price just to basically do the marketing for a seller? It's work to do back to back comparisons, and then that person would have to answer tons of questions and explain everything they did. In the end, all to help you sell your exclusive product.

Reputable shops offering products try to document and share results. Those results (if positive) then turn into sales.
Old 08-14-18, 06:20 AM
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Just a thought ,
I can take my car to any shop in Australia NSW area that has a connection and trust with some workshop in USA , then they can get Dyno figures that they require and trust .
​​​​​​​
Old 08-14-18, 01:48 PM
  #133  
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Originally Posted by THE DOCTOR
Hi guys
It's been a while but some updates on the car .

More tuning and now making 356rwkw
Took it to the drag strip and the axle popped out , putting a another axle today and will try again this Wednesday .
What ever happened with these track numbers? I know it’s over 2 years ago. You must have tracked it a dozen times since then. What did the car end up running?


Old 08-15-18, 04:16 AM
  #134  
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Originally Posted by ZoomZoom


What ever happened with these track numbers? I know it’s over 2 years ago. You must have tracked it a dozen times since then. What did the car end up running?


Sales must have dried up on the closed group, ha.

Sasha has been promising to go to the dragstrip with these since 2009, car prep has gotta be really spot-on donchaknow!

Laugh at the haters spiel, he was giving one of the people who was intimately involved with the SP development a hard time not that long ago on facebook, eff me, talk about small dick syndrome.

Light vehicle guidelines in NSW allow singles if engineered properly, Mazda actually sold a single turbo FD new in Oz back in the day,...more of the usual BS.
Old 08-15-18, 07:10 AM
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Originally Posted by billyboy
Sales must have dried up on the closed group, ha.

Sasha has been promising to go to the dragstrip with these since 2009, car prep has gotta be really spot-on donchaknow!

Laugh at the haters spiel, he was giving one of the people who was intimately involved with the SP development a hard time not that long ago on facebook, eff me, talk about small dick syndrome.

Light vehicle guidelines in NSW allow singles if engineered properly, Mazda actually sold a single turbo FD new in Oz back in the day,...more of the usual BS.
Id love to see this brand new rx7 Fd3s that Mazda sold with a single setup , post some pictures of this fantasy car , and as for the rest of your dribble I have no idea what your trying to say , your fried bro .

Uslless you have something technical or useful info to share on this to this thread , Going away go annoy someone else.

Last edited by THE DOCTOR; 08-15-18 at 08:14 AM.
Old 08-15-18, 11:50 PM
  #136  
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^^^Unfortunately, we're both free to post.

If you want to inform yourself, the single was mentioned in a Mazda Au book dating from the early 2000s.....might be a challenge for you with that dyslexia though!

If we want to talk about dribble, your claim back when, about running stock injectors on this set-up would have to take the absolute cake, even with the power level you were claiming then.
Old 09-15-18, 07:12 AM
  #137  
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This car was actually at the track roughly 2 weeks ago in Australia and it was a dud, it couldn't even do a burnout properly for someone who claims it has 350kw, it's more like 35kw if you want the video let me know and ill post it.
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Old 09-16-18, 06:37 AM
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[QUOTE=homeless1;12301162]This car was actually at the track roughly 2 weeks ago in Australia and it was a dud, it couldn't even do a burnout properly for someone who claims it has 350kw, it's more like 35kw if you want the video let me know and ill post it.[/QUOTE

Ha ha , funny **** , na 35kw won’t brake the rear left drive shaft clean like I did .

As as for the second gear burn out I had the brake on so it locks the rear brakes .


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Old 09-29-18, 12:57 PM
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I've had talks with Marcus, and it seems like he may actually be on to something. What I don't understand, for the life of me, is why he's shooting himself in the foot with all the trashtalking.

Marcus, I'll save you the need to post pretty much ANYTHING else, AND get a ton of orders for your turbos pretty much immediately.

- Take the car to an independent shop
- Dyno the car with a traditional dyno graph, with hp and tq both on the same graph
- Video the dyno
- Take car to drag strip and video the trap speed
- Post info on forum

Sit back, and watch the money roll in.

There really is NO reason to keep going back and forth on claims and theory. No one is gonna drop $5K on a product that's been unsubstantiated. They just won't. But MANY will buy (especially the guys in Cali who have to stick with stock-looking setups) if you can provide objective proof that the twins make the power claimed. You don't even have to type a single word. The proof will speak volumes.

That's my honest suggestion to you. Otherwise, just realize that you're gonna keep repeating yourself and arguing back and forth to no avail.

That's my $0.02,
~Ramy
Old 09-29-18, 01:09 PM
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Banzai Racing just slapped some of these on one of their builds, maybe we'll get some numbers there. They look awesome. Pretty sure these things make all the power for twins. Hitachi doesn't fck around.
Old 09-29-18, 08:59 PM
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Narfle,
The twins that The Doctor is pushing are different than the twins that Banzai and RP sell. The Doctor customized stockish twins on the turbine and the compressor sides. The true Hitachi SP KAI's are the upgraded factory twins with bigger compressor wheels with 12% more air flow, 40% larger shafts, 360 degree seals, and 15-20% large internal wastegates. These were developed for the Japanese market for greater longevity and higher boost. I have these on my rebuild I just finished. These factory SP's can boost safely to 18-19 psi (with the proper mods), similar to BNR's. They cost a little more than 99' specs. IMO, I would never do a rebuild again with the older twins. Makes no sense for a few $100 more.
Mike
Old 09-30-18, 12:51 AM
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You're right they're just the KAI's. Saw the fancy wheels and thought they were the same ones as here.

Last edited by Narfle; 09-30-18 at 01:10 AM.
Old 10-09-18, 02:45 AM
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Originally Posted by FDNewbie
I've had talks with Marcus, and it seems like he may actually be on to something. What I don't understand, for the life of me, is why he's shooting himself in the foot with all the trashtalking.

Marcus, I'll save you the need to post pretty much ANYTHING else, AND get a ton of orders for your turbos pretty much immediately.
Ramy, The Doctor is not Marcus. He is Sasha.

As far as my understanding goes Marcus Read does not back up the twins that Sasha sells anymore. I could be wrong on this though, perhaps the Doctor can clarify.
Old 10-10-18, 08:09 AM
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Originally Posted by Carpe_Diem_7
Ramy, The Doctor is not Marcus. He is Sasha.

As far as my understanding goes Marcus Read does not back up the twins that Sasha sells anymore. I could be wrong on this though, perhaps the Doctor can clarify.
Marcus is no longer my reseller of the Bathurst sp twins.
I stop dealing with him
rick Shaw performance is the new reseller .

Old 10-10-18, 01:25 PM
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rick Shaw performance is the new reseller .

This should be a great partnership for you.

Ric Shaw has the resources to showcase the potential of these turbos and a well established and well earned reputation in the rotary community.
Old 02-26-20, 03:37 PM
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Bathurst sp hitachi twin 400kwatw

World record for hitachi sequential twin turbos

Update for the Bathurst sp twins

With the new front exhaust dump pipe completed , the restricted path of the right hand drive steering arm was removed , this allowed the Bathurst sp twins to flow there full potential, the car was dyno on a mainline hub .

At 23.5 psi boost running

World record for 400 kw at the wheels

the twins can run up to 28psi
will be updating later in the coming months .
should see 450kw at wheels

List of bolt ons

e85 United

Bathurst sp hitachi twins

twins past intercooler ( u type Intcooler kit )
https://cimg0.ibsrv.net/gimg/www.rx7...ce107f1f36.png
Bathurst sp hitachi twin sequential Rated at 650hp at engine $5900aud
https://cimg1.ibsrv.net/gimg/www.rx7...80a9bc925b.png
Rmagic has put Bathurst so twins in a rev speed magazine along with Uvtype intercooler kit .
https://cimg6.ibsrv.net/gimg/www.rx7...f7f4501226.png
U type intercooler kit with auto exe intake kit Nice oem setup all bolt on items , mod fabrication or cut oem parts .
https://cimg0.ibsrv.net/gimg/www.rx7...23e19a2847.png
New pipe fitted , will fit oem mid pipe or any aftermarket Jap pipe , comes in 2 flange sizes 90mm diameter with 120mm bolt centres 80mm diameter with 110mm bolt centres Price $1200 aud
https://cimg6.ibsrv.net/gimg/www.rx7...e7ab1fdd4.jpeg
Gtr r35 coil kit , simple bolt on and harness that easily plugs plays into oem harness Been test up to 45 psi on meth $900 aud
https://cimg3.ibsrv.net/gimg/www.rx7...ede6c25e6.jpeg
New ultra flowing front exhaust pipe , it’s only design to flow past the right drive cars with steering in the way . It will fit left hand drive cars but just put a 3.5in 90 bend and your done lot cheaper
https://cimg2.ibsrv.net/gimg/www.rx7...eadb8580c3.png
Mid pipe 6inch cat and 3.5inch pipe
https://cimg7.ibsrv.net/gimg/www.rx7...75d6052688.png
400kw at wheels 23.5 psi boost The scale was set in small increments , and engine rpm wasn’t applied it was defaulted to the dyno shaft rpm .
https://cimg7.ibsrv.net/gimg/www.rx7...a94796a92.jpeg
Knight sport muffler Titanuim 3.14 pipe No cabin drone and straight internals


new ultra flowing front pipe 3.5inch

mid pipe 6inch cat 3.5 inch pipe


knight sport Titaniim muffler 3.15inch

hi-flowed oem Injectors’s factory fuel rails

twin in tank Walbro 450 pumps

mild port engine with 4 extra dowels

Ignition 4 xGtr r35 coil kit plug and play

apexi pfc with 3bar map



Last edited by THE DOCTOR; 02-27-20 at 03:14 AM.
Old 02-26-20, 04:20 PM
  #147  
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Awesome downpipe for RHD FDs!

Amazing such good parts are still being designed for this chassis- really shows the passion us owners have for these cars.
Old 02-26-20, 04:57 PM
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I'd love to see a high flow cast head downpipe for LHD FDs...
Old 02-26-20, 04:58 PM
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+1
Old 02-26-20, 05:00 PM
  #150  
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I had thought the twins exhaust manifold itself was the restriction around 450-500whp.

Is that simply false?


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