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For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

420a

  1. 420A Looking for 420A HOTSHOT Header

    I am looking for a 420a HotShot Header for a 1995-1999 eclipse. I am ONLY looking for the hotshot header. I do not care if you think the Chinese eBay headers are the same. If you have a Hotshot header or know someone that still does, comment down below please. Thank you
  2. Question about CMP/CKP relearn on 95 Talon 420a

    I put a computer in my stock 2g talon and got the p1390 code after. Is the DRB3 tool what you use for the OBD1 cars to do the relearn? I keep seeing references to 96+ cars but nothing for the 95 and below.The reason I put a new computer in was that my car would die when going over bumps...
  3. AEM Aem Fic

    After chaging injectors to 550cc and installing a aem fic6 and properly calebrating the tps and rpms with fic car does not idle i have to give it gas and hold the acelerator down. no clue if its a egr problem or a lack of knowledge of tunning. casr is a 98 eclispe gs manual.
  4. Dom Torreto

    ECU maybe?

    So I have a 1995 talon that's been my project for over 2 years now. I've done a lot of work to her as far as replacing all of the engine sensors, MAP, IAC, TBPS, Cam, Crank etc. Replaced the fuel filter, and ran some BG though the system, also replaced the ignition switch. I've taken the...
  5. Anthony420a2g

    NEED HELP!!!

    I want to build my 420a but don't know what parts to use I'm new to building engines and need much help from best intake to best pistons to best turbo and even valves everything I need to build this car I'm shooting for 400hp+ if you can tell me what's the best part to get and the best budget...
  6. BLACK'98DSM

    Stock Rev Limiter?

    I remember reading somewhere that on a stock 420a, it shouldn't cut out until like 8200 or something ridiculous like that. I found that my car won't go past 7100. It doesn't bounce like a rev limiter, but it just won't exceed it. Thoughts?
  7. starquest87tsi

    420a intermittent loss of ignition/injectors (12 month problem) PLEASE HELP

    hello, I have yet to find any articles of a 420a dsm having this issue. this is an intermittent problem, and sometimes I can drive the car just fine, other times it is such a pain to go anywhere. it will die and sometimes jump itself back into life, though sometimes ill sit there for over an...
  8. Caessr

    Need Help diagnosing a 420a no start

    Started about a month ago, sometimes engine would crank but wouldn't turn over. Or it would turn over but idle/chug super low around 500 rpm. But eventually would still turn on.Dad suggested I change the ground wire battery terminal since it was a super cheap one and the ground had caused...
  9. 420A Burning oil and coolant, smoking

    I have a 1995 Talon esi I bought about a month ago. The seller said he put a remanufactured engine in about ~40k miles ago. The first problem I noticed was white is smoke coming from right front side of hood after running it hardish and sitting at a stop light, nothing major but definitely...
  10. iNoise

    420A Transmission Mount on Bedplate

    Noticed that the engine I am building has this mount broken off on the bedplate. Of course, I notice this after it is assembled with new parts. Second picture is a bedplate without mount broken off. Am I screwed with this bedplate, or would it be ok to run without that transmission bolt?You...
  11. BLACK'98DSM

    Maximum Amount of Power?

    I'm sure this has been asked before, but I want an up-to-date fact. What's the maximum amount of horsepower and torque that I should run to my 420a? You can see my current specs and setup in my DSM profile. I have multiple performance parts and forged parts that are meant to take a beating. But...
  12. BLACK'98DSM

    420A Unsteady Idle

    I will start by saying that I have already replaced the TPS. It threw a code for the TPS last year and I resolved it, and it hasn't came back. I have new plugs and plug wires, new coil pack as well. So my question is why do the rpm's fluctuate when I am at idle? The tac usually moves from 700...
  13. TalonEsi_96

    For Sale 96 talon esi part out

    Just picked up a rusty 96 eagle talon esi. Full part out of car. Front seats, hood, headlights, trans, and a couple misc things are already taken. Everything else is fair game. Interior is not in terrible shape. PM on here or shoot me a text at 701-500971six.
  14. Brad Bell

    Rising Rate FMU not working properly at high rpm

    I'm running a turbo 420a setup with 440cc injectors, 250lph walbro pump, BEGI/Cartech FMU, no FCD/missinglink, running at 10psi currently. I'm asking this question to those who are familiar with or use rising rate fmu's like vortech or BEGI etc.With my current setup, I have the stock fuel...
  15. got_lime

    2G Spark, Fuel, Crank, NO start

    Sup DSMers,'95 Eclipse GS M/t. Hasn't run since January. What's been done so far: - New battery (always charged ready to go) - New fuel pump/pump assembly - Cut wire for anti-theft system (kept it from cranking before) - Made sure CTS was cleaned up and connected securelyHow do I...
  16. Jonnychance

    420A Weird noise by drivers side front wheel well

    I have no idea what this noise is but it's in the engine bay. I have 420a motor and I can hear it clearly by the front drivers side wheel well, here's the sound: You must be registered to see element.Also only hear it when it's cold out
  17. BLACK'98DSM

    Road Race Build (Sold but not forgotten) Solomon's 2GNT Build ('98 RS)

    BLACK'98DSM submitted a new DSM Profile :You must be registered to see element.A little history about the car, I bought the car on January 4th of 2018. I paid $950 for it, and have no regrets about that due to their local rarity. As purchased, it needed a bit of everything besides interior...
  18. Doubleketchup75

    420A 2g No start ASD relay issue

    Full story; alternator began to die (tested and it wasn’t putting out enough voltage) so I was charging the battery all the time before getting it to my friends house where we were going to change the alternator. When I took off the battery cables before doing the job I arced the positive cable...
  19. Hey guys

    Im new here. I have a 95 eagle talon tsi with a brand new head and a blown up transmission, and a 2003 eclipse with the 2.4. Im trying to figure out a build sheet for my talon and i dont know if its better to just build the 4g63t or make it a stroker. Any input is welcome
  20. For Sale Parting out a '96 Dodge Avenger

    Unfortunately the day has come. After 3 very good years and 40,000 miles on the new motor, suspension and steering components have begun to fail faster and faster. I have many performance parts which I would much rather sell to some of you amazing folks than straight to the scrap yard. Parts up...
  21. 2G CAR WONT STAY ON IN GEAR

    Im new to forums altogether so please excuse anything stupid i say. Im not a noob to working on stuff but my car really has me puzzled. Its a 99 eclipse gs 420a, im having a problem with it just shutting off completely when i go to drive it, it runs hot a good bit but pressure tests have shown...
  22. 420a automatic transmission fluid change.

    Cant find any info on my tranny. I need the capacity for the 4 speed automatic that came in the rs base model eclipse. Someone told me 9 quarts of mercon 3. That doesnt seem right.. If someone could get back to me with that id be quite greatful. Ive searched and found i think its the a604/41te...
  23. Only thing that bothers me about my 2g.

    So since ive gotten my 99 eclipse with the 420a (a/t) i have loved it. But theres been one thing thats bothering me. And now that ive done a bunch of repairs with the general maintenence to fix the previous owners neglect, theres one thing that i really just have to figure out. So my problem is...
  24. 420a boost setup plans help please!:D

    I would move my forum to the proper place bur am a probationary member so i apologize for that. Also i understand some of these issues have threads regarding them but they dont have my specific questions answered in thpse threads. So ive done a crap load of research on forced induction...
  25. KhaosKilroy

    1997 Eagle Talon ESi

    Hey guys, I'm new to the forum and also new to the DSM world.I just recently got a very good deal on a 1997 Eagle Talon ESi. It is FWD and has the 420a but it was a great deal and I've wanted a Talon since before I could drive lol.I'm new to fixing cars so im also using this as an...
  26. eziomandude

    2G How do you remove the interior harness?

    I have the dash out. I want to remove the interior harness the one that runs to fuseblocks and such. I can't figure out how. I see the posts about wire tucking and such but not a guide for this. Could someone please help?
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