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262's 85 Fiero SE LX9 F23 swap thread lots of pics

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  • ericjon262
    replied

    CHOP CHOP CHOP!

    https://youtu.be/gIQ5aVr_l4c

    Leave a comment:


  • ericjon262
    replied
    well, I installed a new battery, and my throttle control problem went away! I suspect cranking voltage was too low to drive the TB, causing the controller to drop control. With the new battery, comes a new, unexpected problem, my MAF either a) isn't outputting a signal or b) the signal isn't making it to the MS3 pro.

    So far, I have verified the MAF signal wire is wired to the correct MS3 pro pin, then I checked power and ground on the MAF sensor. everything seems to check out good, I'm going to order a new sensor and cross my fingers.

    I started working on a speed density "tune" to try and get it idling, and this thing sounds pretty nasty for a little V6, I'll have to try and get a camera with a decent mic and get a clip going.

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  • ericjon262
    replied
    Originally posted by heysoundude View Post

    You've basically converted to Coil-on-Plug ignition - do you find it runs smoother/more powerfully or efficiently, or is it just so you can dial in your own advance? Lots of questions in there, I know....
    Also, are you using the upgraded truck coils?
    I'm running an MS3 Pro ultimate, with LSx truck ignition coils. most builds probably wouldn't need anything this crazy. I wanted a hotter ignition for lighting things off under high boost, and to eliminate the ignition module,

    Advance can be changed with the stock brick just like you can with the truck coils.

    As far as smooth or efficiency is concerned, I can't really say, this engine doesn't have enough runtime to make a true assessment.

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  • heysoundude
    replied
    Originally posted by ericjon262 View Post

    what do you want to know?
    You've basically converted to Coil-on-Plug ignition - do you find it runs smoother/more powerfully or efficiently, or is it just so you can dial in your own advance? Lots of questions in there, I know....
    Also, are you using the upgraded truck coils?

    Leave a comment:


  • ericjon262
    replied
    Originally posted by Guest View Post
    I've thought about getting that DBWX2 box, it would just be nice if there was a more universal option, like other ECUs work with.

    I'll be interested in seeing updates to it's functionality.
    it can also work as a standalone unit, controlling only the TB, but then idle control and TPS signal could get interesting.

    Leave a comment:


  • ericjon262
    replied
    Originally posted by heysoundude View Post
    manbearpig your post brought this thread to my attention, where I have noticed an interesting ignition setup that I need to learn more about...
    what do you want to know?

    Leave a comment:


  • ericjon262
    replied
    Originally posted by manbearpig View Post
    Haven't been on in a while, came back to check on this project but no updates. Please tell me you're still going?
    Still going, I was underwater for the past 90+ days, There should be some updates coming soon.

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  • heysoundude
    replied
    manbearpig your post brought this thread to my attention, where I have noticed an interesting ignition setup that I need to learn more about...

    Leave a comment:


  • manbearpig
    replied
    Haven't been on in a while, came back to check on this project but no updates. Please tell me you're still going?

    Leave a comment:


  • Guest's Avatar
    Guest replied
    I've thought about getting that DBWX2 box, it would just be nice if there was a more universal option, like other ECUs work with.

    I'll be interested in seeing updates to it's functionality.
    Last edited by The_Raven; 08-02-2020, 11:59 AM.

    Leave a comment:


  • ericjon262
    replied

    well, it popped off today! I have lots of issues to sort out still, for some reason the DBWX2 and the MS3 pro keep loosing coms, and the only time I could get it to do something that seemed like a reasonable idle, was when it was so pig rich it was billowing black smoke, otherwise as soon as it starts it immediately jumps to 2500-3000 RPM. I'm going to start by troubleshooting the can bus circuit between the MS3 and the DBWX2, as I don't have a reason to believe there's a vacuum leak that big anywhere, and the default position for the TB is fairly far open, so that could be part of the problem. Hopefully I can figure out whats going on with the can bus and that yields some kind of progress.

    Anyways, here's a video of the first start.

    https://youtu.be/PO938D0WGmg

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  • ericjon262
    replied
    Work has been kicking my ass, I really want to start the engine before I go back out to sea, but I'm not going to hold my breath on it, and if it doesn't start before I go, it might be early next year before I can get back on it... I plan to take some odds and ends out to sea with me so I can take a shitload of measurements and when I get back, punch them into a CAD program.

    Today, I knocked out a bunch of stuff on the list, The alternator charge wire is made and installed, the axles are back in the car, and the transmission is filled. For those of you that don't know, the F23 transmission's oil fill is tiny and very easy to overflow... I also primed the oil system with a pump sprayer through the turbo oil feed, no leaks were observed. I also made up the rest of the vacuum and boost lines, as well as the heater core supply line. I was going to wire up the fuel pump connector, but I couldn't find the other half of it, until I started typing this... I'm hoping tuesday I can get the thermostat outlet hose figured out, and start filling the cooling system, but the way work has been, I'm not sure it will happen.

    The list looks short, but I'm sure I'll find a dozen or more things to add to it before it starts.


    To start the car:

    fix the flex fuel sender wires (they're a bit too short...)
    Wire the other half of the fuel pump connector
    set the ignition timing
    add chafing protection to the wiring near the battery
    some kind of a base tune...

    Leave a comment:


  • ericjon262
    replied
    Originally posted by bszopi View Post
    This makes me want to post on update of my project. Let me go find a pick from 7 years ago when I parked it in the garage...

    Always enjoy seeing all of the progress on this. I can't wait until you get a chance to fire it up!
    LOL! I know the feeling!




    ______________________________

    bleh! Last week, I was at work for about 110 hours, so as you can imagine, I haven't had much time at all to get anything done.

    Today was a busy day, The intake is bolted down "permanently" as is the alternator, idlers, and the belt is installed. additionally, I put the 3# wastegate spring in, and got the ports clocked the way I want them. I was going to make and install all of the boost/vacuum lines, but I somehow never ordered the right fittings... DOH. They're on order now, and should be here Tuesday.

    I needed a place to install my main power ground on the engine, and had been trying to some up with something acceptable for a while, with no real luck, then it hit me, use a longer bolt for the top idler, then use the overextended threads to install the ground on.




    I also got the oil feed line plumbed and connected, the harness re-installed, and some other odds and ends sorted.



    the last thing I did was re-evaluate "the list"

    To start the car:

    heater/coolant hoses made/installed.
    boost and vac lines (awaiting fittings)
    Alternator charge wire
    fix the flex fuel sender wires (they're a bit too short...)
    Wire the other half of the fuel pump connector
    install the axles
    fill the transmission
    prime the oiling system
    set the ignition timing
    add chafing protection to the wiring near the battery
    wire in the O2 sensor LED


    To drive the car:
    new front right brake line/bleed brakes
    bleed the clutch
    finish the roof install
    install a new windshield
    reinstall the windshield wipers
    install the decklid
    install the front tub
    install the upper front fender bolts
    install the rear wheelwell liners
    opcheck all of the lights

    Leave a comment:


  • bszopi
    replied
    This makes me want to post on update of my project. Let me go find a pick from 7 years ago when I parked it in the garage...

    Always enjoy seeing all of the progress on this. I can't wait until you get a chance to fire it up!

    Leave a comment:


  • ericjon262
    replied
    I did a bunch of work today, The fuel sending unit and the tank are back in, the downpipe and wastegate dump are fully welded and the engine is back in the car! I was super happy to find that mu charge pipe fits, I was worried it would hit the firewall.

    I decided against a "screamer pipe" and integrated the wastegate dump into the downpipe, the length of pipe will allow for expansion in an arc, instead of linearly, which should reduce strain on the welds. I haven't decided whether or not I'll split the downpipe to both sides of the car, or just run it to one side with a single tailpipe.



    The downpipe and wastegate dump clears everything just fine!



    as does the charge pipe!



    Here's how I left the car, I have a ton of work to do still, but I might just crank it before the end of the month!

    Leave a comment:

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