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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. |
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#1 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
J-Spec TII Vacuum Reroute
Will this set up work for me? I am putting a J-spec TII S5 into my S5 NA car. I have removed the ACV, Split Air, Air Pump (installed dual pulleys on the alt), and have installed block off plates, I am planning on keeping the BAC as I'm keeping A/C. I am unsure how the oil catch should be hooked up, could someone confirm setup? Also can the stock pressure sensor be blocked off or does it need to be routed to the manifold?
![]() Last edited by LunchboxCritter; 03-31-2010 at 05:03 PM. |
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#2 |
I-had-a-bad-experience...
Join Date: Feb 2008
Location: M'boro
Posts: 1,046
Rep Power: 19 ![]() |
If you are running the stock ECU then you need the pressure sensor hooked up. preferably the closest location to stock on the manifold. and don't forget there is a small pellet in that line...
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'15 Juke Nismo '06 MX-5 GT SOLD '04 S Silver RX-8 GT Track Day Use SOLD '90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD '89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD '91 B2600i 4x4 w/ Rx-8 LSD SOLD |
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#3 | |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
Quote:
![]() Last edited by LunchboxCritter; 03-30-2010 at 02:05 PM. |
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#4 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
Here is what I have so far. I ordered a Jaz oil catch and it should be here tomorrow. Please if you see something wrong let me know.
![]() ================================================== ============================================ This is scary looking to me. I could be retarded but shouldn't the wastegate be hooked to a controller? ![]() ================================================== ============================================ ![]() ================================================== ============================================ Some of what all that I removed. I also removed the two hard lines from the oil line that crosses the top front of the short block to the turbo. P.S. the starter is not part of the mod; it is a spare. ![]() Last edited by LunchboxCritter; 03-31-2010 at 12:01 AM. Reason: added a picture |
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#5 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
Disclaimer: I am in no way a mechanic, and I did not sleep at a Holiday Inn. I do not even know if I am doing this mod right. Please don't run out and copy what I am doing. I could not find any good pictures of this job; however I did find a pretty good write up about the process. I am sorry, if I am doing something wrong, and I would appreciate suggestions.
DO NOT TRY THIS AT HOME!!! Last edited by LunchboxCritter; 03-30-2010 at 11:53 PM. |
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#6 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
Just a few more pics.
![]() ================================================== ================ Front of the TIM ![]() ================================================== ================ Back of the TIM (firewall side) ![]() |
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#7 |
Rotary Fanatic
Join Date: Jan 2010
Posts: 253
Rep Power: 16 ![]() |
so the oil catch can is hooked up in the right direction?
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#8 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
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#9 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
Currently I have my setup like this, it fired right up and seems to run just fine. I am still short an exhaust and having only a downpipe installed I have yet to run it down the road.
![]() ================================================== ================ I will adding a boost controller and boost gauge in the next few days and then my setup will be like this. I will inform everyone how well it works as soon as I know for sure. ![]() |
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#10 |
tumor-syphilis-itis-osis
Join Date: Sep 2008
Posts: 191
Rep Power: 17 ![]() |
you capped off your waste gate, you need your waste gate solenoid to pull open off vacuum
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82 300d 82 Gsl 84 b2200 Diesel 88 gxl |
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#11 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
You are absolutely correct.
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LunchboxCritter - 91 NA to J-Spec TII - 88 FC Vert - 04 Rx8 Disclaimer: I am not a mechanic, and I did not sleep at a Holiday Inn. DO NOT TRY THIS AT HOME!!! Last edited by LunchboxCritter; 04-05-2010 at 11:37 AM. |
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#12 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
Thanks for pointing that out. I changed that before I started the car, I ran the turbo out and wastegate to a T fitting and then piped it to one of the vac on the front side of the top intake manifold. I have a manual boost controller that I'm going to put between the out on the turbo and the wastegate, and then I'll eliminate the hose running to the TIM. I'll get some updated pictures on here soon.
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LunchboxCritter - 91 NA to J-Spec TII - 88 FC Vert - 04 Rx8 Disclaimer: I am not a mechanic, and I did not sleep at a Holiday Inn. DO NOT TRY THIS AT HOME!!! |
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#13 |
I-had-a-bad-experience...
Join Date: Feb 2008
Location: M'boro
Posts: 1,046
Rep Power: 19 ![]() |
why would you run a hose to the intake manifold? How bout just leave it like stock until the boost controller?
__________________
'15 Juke Nismo '06 MX-5 GT SOLD '04 S Silver RX-8 GT Track Day Use SOLD '90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD '89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD '91 B2600i 4x4 w/ Rx-8 LSD SOLD |
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#14 |
My minds tellin' me no...
Join Date: Feb 2008
Location: Murfreesboro, TN
Posts: 4,043
Rep Power: 22 ![]() |
Looky:
![]() Connect those together. There is supposed to be a metal 'ring' around the compressor coldside that has an output nipple. That nipple goes to the wastegate solenoid. If you are dumping the rats nest/emissions than you DON'T need it. Just connect the two together (compressor-to-wastegate). Mine had the metal ring still, but I just capped it.
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1976 Mazda Cosmo RX-5 1976 Mazda Cosmo RX-5 2003 Toyota Tundra TRD 2015 Toyota 4Runner SR5 Last edited by djmtsu; 04-05-2010 at 02:05 PM. |
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#15 |
Simply Rotarded
Join Date: Jan 2009
Location: Florida
Posts: 166
Rep Power: 17 ![]() |
Got a problem. Car won't boost, when it reaches half throttle and zero vacuum it stalls. Any ideas or suggestions?
Here is my current setup - Running an N374 ecu chipped with a speedlabs chip, n370 pressure sensor, correct maf sensor. ![]()
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LunchboxCritter - 91 NA to J-Spec TII - 88 FC Vert - 04 Rx8 Disclaimer: I am not a mechanic, and I did not sleep at a Holiday Inn. DO NOT TRY THIS AT HOME!!! Last edited by LunchboxCritter; 04-14-2010 at 10:55 AM. |
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