NA SemiPP 20b RX8

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Old May 1, 2019 | 04:58 PM
  #51  
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Yea, doing the electric power steering pump for sure. We're going to mount it in the trunk. Its an MR2 spyder pump. It also has the reservoir built in.

Pan would run you over 2k... its nuts.
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Old May 1, 2019 | 04:59 PM
  #52  
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Here's a recent picture. On the way to DGRR 2019
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Old May 1, 2019 | 06:28 PM
  #53  
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Its an awesome piece for sure, to bad its not easily seen. Thats creeping close to going dry sump, obviously thats not a cheap endeavor either but any specific reason going this one-off route. I mean no disrespect just curious..
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Old May 1, 2019 | 06:33 PM
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Nothing off the shelf available for a 20b RX8, so this was the best option.
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Old May 12, 2019 | 12:15 AM
  #55  
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If you’re interested in selling the lightened high compression Rotors from the NA build, please let me know. I’m in the process of building a NA 20BPP. Thanks
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Old May 13, 2019 | 10:19 AM
  #56  
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The 9.7 rotors were never machined. The 20b rotors were lightened, balanced, and side clearanced. Funny fact though... we're actually looking for a new eshaft to go back to NA, so the 9.7 rotors will have to be machined now... hahaha
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Old Mar 5, 2020 | 02:33 PM
  #57  
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Not a lot of updates, but the renesis is out of the car, and the 20b is supposed to be delivered around the end of the month. We're still going to try and have it ready for DGRR. I'll start shaving the engine bay and a wire tuck this weekend.
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Old Mar 8, 2020 | 11:27 PM
  #58  
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Originally Posted by reddozen
The 9.7 rotors were never machined. The 20b rotors were lightened, balanced, and side clearanced. Funny fact though... we're actually looking for a new eshaft to go back to NA, so the 9.7 rotors will have to be machined now... hahaha
what’s wrong with your old e shaft
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Old Mar 9, 2020 | 12:49 PM
  #59  
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Originally Posted by chino_rx3
what’s wrong with your old e shaft
It doesn't run out straight enough.
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Old Jan 11, 2023 | 07:17 PM
  #60  
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In case anyone is still interested...
Just got the rotating assembly back from the machine shop. Hopefully the motor will be stacked soon.
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Old Jan 16, 2023 | 11:24 AM
  #61  
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EFI/ign/turbo control

[QUOTE=reddozen;12159185]This is more of a place holder for now. Engine is purchased, but won't be ready till around June / July. Then it's off to the fabricator to get it in the car. Lastly wiring and tune.

does SDS support 3 rotor EFI/ign/turbo control? Or just 2 rotor?
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Old Jan 16, 2023 | 06:43 PM
  #62  
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Originally Posted by cardmarc
does SDS support 3 rotor EFI/ign/turbo control? Or just 2 rotor?
At this point the car is going to be a full standalone Haltech Elite 2500
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Old Jan 17, 2023 | 10:34 AM
  #63  
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TX

Originally Posted by reddozen
At this point the car is going to be a full standalone Haltech Elite 2500
I'm unfamiliar with that unit-does it do 'everything'?
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Old Feb 20, 2024 | 04:24 PM
  #64  
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@cardmarc It would work perfectly fine, but new technology means I upgraded from that to the newest ECU offering...


Car is supposed to go to the fabricator in 3 weeks. Hopefully it'll finally be running in April!


Just got a Bosch 82mm DBW throttle body with 20b adapter and 90mm inlet from Pac Performance.
Coils and custom resonator coming from BHR.
Rear diff hard mount from LS1RX8.
Haltech R3 and 3 wide bands. Shawn wants to run these instead of a wide band and 3 EGT sensors. Whatever makes it simpler... it's just NA.

I'm stressing getting this wiring done in time, and hoping that the engine is ready at the expected time... guess we'll see.... I'll try to keep everyone posted.
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Old Feb 20, 2024 | 09:58 PM
  #65  
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Car is going into the fabricator in 3 weeks to get the motor in.

Just got a Bosch 82mm DBW throttle body with 20b adapter and 90mm inlet from Pac Performance.
Coils and custom resonator coming from BHR.
Rear diff hard mount from LS1RX8.
Haltech R3 and 3 wide bands. Shawn wants to run these instead of a wide band and 3 EGT sensors. Whatever makes it simpler... it's just NA.

I'm stressing getting this wiring done in time, and hoping that the engine is ready at the expected time... guess we'll see.... I'll try to keep everyone posted.
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Old Feb 22, 2024 | 02:34 PM
  #66  
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Interesting going 3 WB...can you get more info on that? I was going to do the opposite and run 3 EGT with 1 WB
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Old Feb 23, 2024 | 08:40 AM
  #67  
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Originally Posted by reddozen
Car is going into the fabricator in 3 weeks to get the motor in.

Just got a Bosch 82mm DBW throttle body with 20b adapter and 90mm inlet from Pac Performance.
Coils and custom resonator coming from BHR.
Rear diff hard mount from LS1RX8.
Haltech R3 and 3 wide bands. Shawn wants to run these instead of a wide band and 3 EGT sensors. Whatever makes it simpler... it's just NA.

I'm stressing getting this wiring done in time, and hoping that the engine is ready at the expected time... guess we'll see.... I'll try to keep everyone posted.
it helps with diag and fine tuning, I have 2 EGT and 2 widebands on my 13B NA
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Old Mar 27, 2024 | 06:23 PM
  #68  
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Engine and car dropped off at the fabricator. Should hopefully be running in April. Sadly it wont be ready for DGRR.
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Old Oct 10, 2024 | 12:45 PM
  #69  
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Engine bay is shaved, wheel wells tubbed, and ready for paint. Hopefully just a couple more months away from running.






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Old Nov 6, 2024 | 09:40 PM
  #70  
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Engine bay painted and engine and transmission back in the car. The carbon zylon wrapped mazdaspeed strut bar is looking good to me in there.











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Old Nov 11, 2024 | 09:45 AM
  #71  
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Xcessive Engineering short LIM with Full Function Engineering fuel rail and 6x ID1050 injectors arrived.[/QUOTE]
Cool! What did that set you back? What will intake look like?
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Old Nov 11, 2024 | 11:01 AM
  #72  
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Originally Posted by cardmarc
Cool! What did that set you back? What will intake look like?
I paid 1800, but it looks like it's a little over 2k now (when they have them in stock)

I'm using a Bosch 82mm DBW throttle body with 90mm (3.5in) inlet from Pac Performance. This will just make a 90 into the RX8 mazdaspeed intake that is also 90mm.



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Old Mar 2, 2026 | 12:20 PM
  #73  
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Closer and closer. down to plumbing and wiring. Most of the plumbing is done.



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Old Mar 3, 2026 | 02:45 PM
  #74  
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Nice, looks like you are cutting it close.
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Old Mar 3, 2026 | 03:42 PM
  #75  
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Originally Posted by Johnny Kommavongsa
Nice, looks like you are cutting it close.
sadly this part isn't in my hands... I bug him weekly about it.
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