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Brice's Turbo V6 Build

Discussion in '1st Gen. Builds (1995-2004)' started by Brice, Jun 19, 2016.

Page 73 of 98
  1. Feb 20, 2017 at 10:42 PM
    #1441
    Blackdawg

    #1441
    Blackdawg Dr. Frankenstein

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    Not sure the URD stuff will work well enough. Id just go for the Map ecu. Dont' need the port fueler to use it.
     
    Blackdawg, Feb 20, 2017
    #1441
  2. Feb 20, 2017 at 10:43 PM
    #1442
    vasinvictor

    #1442
    vasinvictor Junkie

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    It's not a pain to tune oversize injectors at all. My 550s are no prob with AEM F/IC. Not even sure how these rumors get started.

    I guess injector tech used to be shit in its early days.
     
    vasinvictor, Feb 20, 2017
    #1442
  3. Feb 20, 2017 at 10:47 PM
    #1443
    Bejabbers

    #1443
    Bejabbers Well-Known Member

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    Good to know, I will monitor my fuel pressure and go from there.
     
    Bejabbers, Feb 20, 2017
    #1443
  4. Feb 20, 2017 at 10:55 PM
    #1444
    Bejabbers

    #1444
    Bejabbers Well-Known Member

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    There is a lot of misinformation out there that led me to believe that if I wanted to increase injector flow it would be better to let the stock ECU and injectors manage fueling under vacuum and use additional injectors to manage fueling under boost.
     
    Bejabbers, Feb 20, 2017
    #1444
  5. Feb 20, 2017 at 10:59 PM
    #1445
    vasinvictor

    #1445
    vasinvictor Junkie

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    Yeah I've seen that stuff and I think it's mostly perpetuated by gadget to promote using his 7th injector system and port fueler systems. Maybe Injector tech was not as good as it is now though or maybe injectors were much more expensive, not sure. I have a $300 set of eBay "osidetiger" injectors and a $350 AEM FiC and it works like a dream.
     
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    vasinvictor, Feb 20, 2017
    #1445
    j0shu4 likes this.
  6. Feb 20, 2017 at 11:02 PM
    #1446
    Bejabbers

    #1446
    Bejabbers Well-Known Member

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    It sounds like there are more people using the AEM FIC to tune their turbo Tacos
    I am hoping someone out there has some experience with the MAPECU who can point me in the right direction for my base maps.
    I'm new to tuning and I don't have access to a dyno where I live.
     
    Bejabbers, Feb 20, 2017
    #1446
  7. Feb 21, 2017 at 4:48 AM
    #1447
    vasinvictor

    #1447
    vasinvictor Junkie

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    Sorry didn't realize you already had map ECU.
     
    vasinvictor, Feb 21, 2017
    #1447
  8. Feb 21, 2017 at 7:10 AM
    #1448
    Torspd

    #1448
    Torspd Tor-nication

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    Torspd, Feb 21, 2017
    #1448
    MadTaco461 likes this.
  9. Feb 21, 2017 at 7:53 AM
    #1449
    elnip

    #1449
    elnip Well-Known Member

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    I've been running the Walbro 190 since 2004 when I installed the SS FTC and larger injectors. I have never had any issues as well as the others that I have installed.

    I also have not had issues tuning for the larger injectors (318cc) either. Maybe you should try it first and see what you r own experience is.
     
    elnip, Feb 21, 2017
    #1449
    boostedka likes this.
  10. Feb 21, 2017 at 8:54 AM
    #1450
    elnip

    #1450
    elnip Well-Known Member

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    Let me preface the above:

    I'm not a huge fan of the FTC, I have a AEM FI/C waiting to go in and think it will be a much better choice for tuning and will eventually dump the SC to go turbo.
     
    elnip, Feb 21, 2017
    #1450
  11. Feb 21, 2017 at 9:32 AM
    #1451
    Brice

    #1451
    Brice [OP] Turbo Member

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    I have 650cc injectors and have no problems tuning with the AEM at all. My max duty cycle was 28% at 9:1 afr wot, lol so I'm well within what they can do, they were cheap too... And no issues with the AEM 320lph pump so far. If anybody else ends up using it I have a install thread.

    Thanks @Torspd for the text lol, I don't get email notifications anymore for whatever stupid reason... And unfortunately nothing new with the build aside from the fact my cam seal are still leaking oil
     
    Brice, Feb 21, 2017
    #1451
    Torspd likes this.
  12. Feb 21, 2017 at 9:47 AM
    #1452
    vasinvictor

    #1452
    vasinvictor Junkie

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    I've been wanting to upgrade my fuel pump before turning up the boost... is the AEM fuel pump loud?
     
    vasinvictor, Feb 21, 2017
    #1452
  13. Feb 21, 2017 at 10:17 AM
    #1453
    Brice

    #1453
    Brice [OP] Turbo Member

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    Yeah but it sounds cool :D
    Mine is only loud after the truck warms up for whatever reason, but my exhaust sort of drones it out. You can't hear it at all in the cab.
     
    Brice, Feb 21, 2017
    #1453
  14. Feb 21, 2017 at 10:22 AM
    #1454
    Clay_916

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    Clay_916 Well-Known Member

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    I don't notice it. The Walbro with the URD 7th kit was super loud though.

    Just turned up to 13 psi and this truck is rippin'. I'm strongly considering setting up my meth kit but can't decide if I want pre or post turbo. My turbo is on the small size flow wise so pre would be ideal but I don't want to damage this new $800 turbo I just bought since I'll probably just be running wiper fluid.
     
    Clay_916, Feb 21, 2017
    #1454
  15. Feb 21, 2017 at 10:34 AM
    #1455
    Torspd

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    Torspd Tor-nication

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    The pumps will be louder on high duty than low duty.

    Aeromotive has the stealth series pumps. Very quiet. My Walbro 485 LPH E85 pump is surprisingly quiet as well.
     
    Torspd, Feb 21, 2017
    #1455
  16. Feb 21, 2017 at 12:21 PM
    #1456
    vasinvictor

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    vasinvictor Junkie

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    Good to know thanks for all the suggestions. Clay, why not a small nozzle pre and post? Better atomization and same flow larger nozzle.
     
    vasinvictor, Feb 21, 2017
    #1456
  17. Feb 21, 2017 at 1:18 PM
    #1457
    Clay_916

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    Clay_916 Well-Known Member

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    That's kind of what I was thinking. i think with dual injection I could lose my IC as well, or at least switch to a smaller one stuffed behind my grill.
     
    Clay_916, Feb 21, 2017
    #1457
  18. Feb 21, 2017 at 2:39 PM
    #1458
    Bejabbers

    #1458
    Bejabbers Well-Known Member

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    Sounds like a plan
    I think I'll start off using the URD AFR and MAF calibrators with the stock fuel pump, stock injectors and water/methanol injection for intercooling.
    I'll monitor my fuel pressure and AFR's and if needed I'll install the fuel pump and 310cc injectors.
    Then when I want timing control I'll swap out the URD tuners for the MAPCAL3.
     
    Bejabbers, Feb 21, 2017
    #1458
  19. Feb 21, 2017 at 3:50 PM
    #1459
    Bejabbers

    #1459
    Bejabbers Well-Known Member

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    Curious what size exhaust to run with the turbo.
    Currently I have 2.25" cat back with 18" Magnaflow and high flow cat.
    I don't really want to replace the exhaust because it's fairly new and all SS so $$.
    The CX downpipe is 3", could I step it down to 2.25" or would this choke the flow too much?
    I thought too large of a diameter would take away torque due to reduced backpressure.
     
    Bejabbers, Feb 21, 2017
    #1459
  20. Feb 21, 2017 at 3:54 PM
    #1460
    Blackdawg

    #1460
    Blackdawg Dr. Frankenstein

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    this is true in NA applications. With a turbo, you want very little back pressure so the exhaust fan can spin up faster. Too big for the turbo isn't doing you any favors, too little and you'll choke it.

    probably be okay with the 2.25 but 3'' would be better.
     
    Blackdawg, Feb 21, 2017
    #1460
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