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  • Users: n7k1
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  1. 2G Fuel Pressure Solenoid on 4g64 turbo

    My 2G 4g64 turbo conversion is throwing a P1105 CEL. It looks like the 97 GSX ECU I swapped into my 98 Spyder GS needs a Fuel Pressure Solenoid. What have all you other 4g64 turbo builders done with ECU pin 3 requiring a fuel pressure solenoid? Thanks.
  2. Ideas for 3D Part Scans

    Its getting too cold to work in the garage and I'm heading indoors. I'm going to play with my 3D scanner and see if I can replicate some needed/rare plastic parts. Shoot me your ideas on what to scan and I'll see what kind of success I have.Here are my ideas: - Screw cover for the door panel...
  3. 1998 Eclipse Spyder 4g64T

    Here's my build so far: https://www.dsmtuners.com/dsm-profiles/1998-eclipse-awd-4g64t-spyder-gs.16392/
  4. 1998 Eclipse AWD 4G64T Spyder GS

    This is the Build Thread for 1998 Eclipse AWD 4G64T Spyder GS. Reply below.
  5. 1998 Eclipse Spyder 4g64T

    Thank you! I'm almost done :)
  6. 1998 Eclipse Spyder 4g64T

    Hey August578, one last question, where did you connect the bypass valve vacuum line to? We don't have a dedicated port on the 4g64 intake. Did you tee off the FPR or the solenoid valve? I have a spare 'P' port from the 4g63t throttle body I swapped in - but I read that it might not work.
  7. 4g64 Turbo: Where do I connect the bypass valve hose to?

    Thanks Derish. My 4g64 intake doesn't have as many ports as the turbo intake. I was going to put a Tee on the Solenoid Valve line or the FPR. However, I thought, if I have a spare 'P' on the throttle body, it might work.
  8. 4g64 Turbo: Where do I connect the bypass valve hose to?

    I am almost done my 4g64 turbo conversion. That last thing I need to do (other than the downpipe to the exhaust) is connect the bypass valve host to the intake. I used the 4g63t throttle body. Can I connect the hose to the 'P' port? It's currently unused and capped. If not there, do I need...
  9. 1998 Eclipse Spyder 4g64T

    I took a look at 63 water pipe. Don't think it will fit. I'll try the T off the heater lines idea
  10. 1998 Eclipse Spyder 4g64T

    What did you do for the turbo's cooling lines?
  11. 1998 Eclipse Spyder 4g64T

    Front right corner. Its on the bracket that has the coolant reservoir bottle.
  12. Resolved 4g64 Turbo - Boost Control/Wastegate Actuator Solenoid

    In case this helps anyone, this is what I did. It seems to work. Wire in a wastegate solenoid and run the red-yellow wire on pin 1 to pin 11 on the ECU. Then tap the red wire on the MAF for the red wire on pin 2 of the wastegate solenoid. I confirmed the wiring using the circuit diagram and on...
  13. 1998 Eclipse Spyder 4g64T

    Just in case you wanted to get rid of that CEL, this is what I did. It seems to work. Wire in a wastegate solenoid and run the red-yellow wire on pin 1 to pin 11 on the ECU. Then tap the red wire on the MAF for the red wire on pin 2 of the wastegate solenoid. I confirmed the wiring using the...
  14. 1998 Eclipse Spyder 4g64T

    Thanks! I've wired in the knock sensor and done the fuel relay bypass. Going to do the injectors and give it a try. Did you put in a boost gauge?
  15. 1998 Eclipse Spyder 4g64T

    Hey August578, your build is pretty much the same thing I'm trying to do. Same model and year Spyder and same 97 GST ECU. Your tip on the Chevy swivelling thermostat housing was perfect. I've compared my GSX harness with the 4g64 harness. As best as I can tell, all I need is the knock sensor...
  16. 4g64 Turbo Conversion - change lower rad hose?

    Thanks. This is the one I got. It seems to fit well.
  17. Resolved 4g64 Turbo - Boost Control/Wastegate Actuator Solenoid

    Thanks. Did you have to change your throttle body to the 4g63t one?
  18. 4g64 Turbo Conversion - change lower rad hose?

    Thanks! I just got a LS swivel housing that looks like it will work perfectly :)
  19. Resolved 4g64 Turbo - Boost Control/Wastegate Actuator Solenoid

    What did you 4g64 turbo folks do with the boost control/wastegate actuator solenoid? I haven't read this mentioned in anyone's build. Unless you did a harness swap, I'm assuming you had to add it onto the harness in addition to the knock sensor.I've read that some have deleted the solenoid...
  20. 4g64 Turbo Conversion - change lower rad hose?

    Thanks for the suggestions. I was thinking of trying one of those flexible radiator hoses and see if that would work. I appreciate all the info.
  21. 4g64 Turbo Conversion - change lower rad hose?

    For those of you who turbo'ed your 4g64, did you change your lower rad hose for clearance?I'm trying to test fit all the OEM components from a GSX and I can't see how I'm supposed to get by the lower rad hose.I should mention that I did the AWD conversion on it as well
  22. 2G 98 Eclipse Spyder GS AWD Conversion Stalling/Dying

    Rather than just vent the line, I took the old evap hoses from my fwd tank and modified the evap hose bracket to accommodate a different charcoal canister I picked up off Amazon. I extended the hoses and the solenoid to the right rear corner and mounted it to the frame.
  23. 2G 98 Eclipse Spyder GS AWD Conversion Stalling/Dying

    In case this helps someone else in the future, my problem was that I connected the line circled in red back to the engine bay/intake. It's supposed to go to a charcoal canister. Most AWD conversions leave it disconnected/vented.
  24. 2G 98 Eclipse Spyder GS AWD Conversion Stalling/Dying

    My cat is off, and I bypassed the fuel pump module. The problem still exists. I think it's the fuel tank pressure. I removed the cap and there was some pressure relief. After that, the car seems to run fine. I'm going to look at how I plumbed the fuel tank line coming out of the safety...
  25. 2G 98 Eclipse Spyder GS AWD Conversion Stalling/Dying

    Thanks for the responses. I've got a straight pipe to replace the cat and see if that's part of the issue.Regarding the fuel pump module, should I have replaced the fuel pump relay when I put in the AWD fuel pump? I'm still running the stock fuel pump and relay from the Spyder GS 4G64 with...
  26. 2G 98 Eclipse Spyder GS AWD Conversion Stalling/Dying

    I've got a 1998 Eclipse Spyder GS and I've done an AWD conversion on it. This has been on my bucket list to do since I first saw a 2G Eclipse Spyder over 20 years ago in Cali. They never sold the Eclipse or the Spyder up here in Canada in the 90s.I've kept the 4G64 non-turboed for now. I'll...
  27. 3D Printed Clutch Alignment Tool

    In case anyone has misplaced their clutch alignment tool and can't find one locally, I created this one for 3D printing: https://www.thingiverse.com/thing:4287359It works perfectly.
  28. 2G Eclipse Brake and Clutch Pedal Return Springs Hook Onto What?

    Awesome! Thank you everyone! I had them hooked to the wrong places.
  29. 2G Eclipse Brake and Clutch Pedal Return Springs Hook Onto What?

    Thanks. I really appreciate it. But, where does the Clutch Pedal Return Spring (#3) and the Brake Pedal Return Spring (#1) connect to under the dashboard?
  30. 2G Eclipse Brake and Clutch Pedal Return Springs Hook Onto What?

    I took my pedal assemblies off my 98 Eclipse to remove the rust and repaint them. However, I can't remember where the clutch and brake pedal return springs connect to? Can someone tell me where to connect them to or better yet take a picture?Thanks.
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