October 22, 2019, 04:04:13 PM

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Messages - digitalsolo

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76
Build Threads / Re: Blake's 1965 Mustang Project
« on: August 26, 2019, 09:55:14 AM »
Hah, I'm appreciative of them when I go back to work on things later!   LOL    I have a Google Docs Spreadsheet with color coded/pin mapped diagrams of all the connectors as well.   Eventually I'm going to draw factory style harness diagrams, but that can wait until I'm done making wholesale changes to things.

In other news, here's my next set of plans for the car:

1.  Faster steering rack
2.  3" exhaust with 2 Magnaflow straight through style oval mufflers per side.   I think there is power left to be made with 3" instead of 2.5", I can fit it, and 2 mufflers per side should quiet it down a lot without hurting HP (for those curious, I'm basing this on 2x different "Engine Masters" episodes.   Great show...
3.  Fix my damn boost controller.   Going to first borrow Nick's and see if it helps, if not, I'm going to try a 4 port, if that doesn't work, I'm just going to put 12 psi springs in the gates.
4.  Fix my VSS and install front speed sensors so that I can start using traction control
5.  Rebuild engine harness with more Mil-spec'y-ness and add some new sensors.   Since I don't use gauge sensors for much anymore, I'm planning to add a pre intercooler temp sensor, integrate an oil temp sensor for the ECU, maybe some turbo back-pressure sensors and set it up to use an AEM 8x EGT CANbus adapter.
6.  Paint my wheel centers bronze.   I keep forgetting to do this, LOL
7.  Tint the windows
8.  MAYBE - GT intake cams and Boss 302R exhaust cams.  It needs more air up top, badly.   I can feel it nose over at 6500 RPM, and that cam combo + my turbos should pull solidly to 7200 RPM, and I can get that whole setup for <500 bucks.   It's just a buttload of work.
9.  Clearance the strut tower bar, as it's too close to the intake manifold now that I put the 2018+ unit on the car.

77
Build Threads / Re: Blake's 1965 Mustang Project
« on: August 26, 2019, 09:43:33 AM »
My ECU is on vacation in California, so I've been cleaning up fuel system stuff.

Staged fuel pumps wired up, and grounds are in place (still need to terminate it under the dash).  I have 3x spare wires in the trunk right now as well, which is good, for future needs.   If I end up using PWM for the pumps (I hopefully won't need it, but it's available) I have those that I can pin into the ECU for PWM LS outputs.    I do have CANbus back there too, so I can always make a CANbus controller if I want to as well.

Here's the fuel cell surge tank wiring:





And overall wiring...   I'm finally pretty happy with how this is all laid out (it's taken a few revisions).   Someday in the future I'm going to rebuild the dash/chassis wiring up front to clean it up as I feel it's gotten messy as systems have evolved.   It's very serviceable, it just could be... better.  Anyway, here's the trunk:


78
Build Threads / Re: My 4.3 vortec 84 FB
« on: August 26, 2019, 09:34:29 AM »
Have you looked into some holy water or some type of blessing for this car?  LOL

79
The Lounge / Re: Finally Got A New Toy To Replace The RX7
« on: August 26, 2019, 09:33:19 AM »
Man that really came out great!   Are you happy with it?  It sure looks like a lot of fun!

80
Road Racing/Autocross / Re: Fuel slosh.... need help/opinions
« on: August 22, 2019, 09:01:05 PM »
Well that's an annoying issue.   Glad you sorted it!

81
Events / Re: Texas Mile October 18-20 2019
« on: August 22, 2019, 07:43:59 PM »
GoPro for sure!

82
Electronics / Re: RX7 moved to another country and now runs like poo MS3
« on: August 20, 2019, 02:57:32 PM »
Well, all of this headache makes me not feel so bad about giving AEM another shot with my ECU before I look at MS3Pro.

83
Build Threads / Re: Blake's 1965 Mustang Project
« on: August 19, 2019, 11:21:49 PM »
So my contacts at AEM (really Jordan Innovations' contacts, he is, as always, helping me out here) got back to me.   They think the ECU was already updated, but it already shipped out, so whatever, they're going to double check it all for me and validate it's happy.   So while the situation is annoying, shit happens, and I appreciate that they're helping me out.   I know I get a little testy with the ECUs, but AEM has at least been the most willing to help of the ones I've used.   BigStuff3 service was aggressively bad, and ProEFI service didn't exist (call your dealer, call your dealer, call your dealer), AEM at least seems to give a shit, I just think they're understaffed and overworked.

Anywho, if they find the ECU is 100% good, I'm going to sacrifice a chicken and maybe put some of the holy water Nick bought for his car (I'm serious here, he really has it in the car) on the sensor and see if it works.   My cam sensor magically healed itself, so maybe it'll work and the ECU just wanted a trip to California.   Who knows.

In the meantime, I'm just watching tuning videos (I have a subscription at HP Academy, and I really recommend it if you want to learn to tune, it's very well done) and prepping for the 2JZ Z28 I'm building for a friend of mine.    YouTube video series coming shortly for that one...  :D

84
Road Racing/Autocross / Re: "Doda" '93 FD NASA TT Build
« on: August 19, 2019, 12:32:33 PM »
Sounds like a pretty successful overall day!

85
Build Threads / Re: Blake's 1965 Mustang Project
« on: August 19, 2019, 10:36:14 AM »
Good tip on the Dorman controller, that might work for me!   Thanks!

86
Build Threads / Re: Blake's 1965 Mustang Project
« on: August 18, 2019, 03:18:07 PM »
So, I managed to get my 2018+ intake manifold installed.    It's a little too close to the brace in a few areas, so I'll mark those and clearance it by about 1/4 (just make a little scallop) in those areas this week.   Here's the intake on:



It did move the throttle body forward about 3/4" which goofed up my charge pipe:



So I hacked it up and redid it.   I had to reclock on area and add in a little piece of pie cut in another, but she fits up better than before now:



I'll repaint it shortly.    The car does seem to pull a little better from 5500-6500 with this intake (which it is supposed to) but I can feel it run out of oomph at 6500 RPM pretty abruptly.   I'm going to look for an F150 dyno graph, but I assume it's my intake cams (which are truck parts).    I'll see if I can't swap to Mustang GT intake cams this winter, and if I do, I'll do the Boss 302R exhaust cams while I'm in there.

In the meantime, now that the cams work, I've been working on tuning it a lot.   I'm chasing the duty cycles for the VVT actuation a bit, it seems to be too mild or too aggressive with a fairly fine line between, and the PIDs are tough to really dial in, but it's getting better.   

I found the cause of my surge issues at low load;  it was going into idle control loops at 1700 RPM and <7% throttle, which I would get into on the highway occasionally and on slow speed surface streets constantly (and sometimes when leaving a stop).   I dropped that to 2.5% throttle (it measures the APP1 or DBW pedal input).   That completely cleared that up, as before it was going super wacky on the timing.   Nice and smooth now.

VE table is getting closer and closer as well, though I need to get the VVT dialed before I can really sort it in the 2500-3500 RPM range in particular, as 10-15* of cam timing is worth a half a point in lambda or more, so dialing the VE without the cam control proper in those areas is basically impossible.

I still can't get >3.9 psi of positive pressure (I have 4 psi springs in the gates, so that makes sense).   That said, I have my boost control active and I've validated that the output does activate the solenoid, so I need to figure out if it's a gate problem (diaphragm), a tubing issue (I don't think that's the case, as I just replaced them all) or a solenoid issue (maybe a bad sintered metal filter or internal issue).    Anyway, worst case scenario I'll swap to 10 psi springs, but I'd really rather have the controller working so that I can have boost controlled by gear/knob/etc.

My ECU goes out to AEM tomorrow for re-repair.   They covered shipping and RMA costs, so that's good, and were at least somewhat apologetic about the issue.   Hopefully this is the last time I have to deal with taking the car down for ECU issues.   As i said before, if this one has another issue, it'll be getting an MS3Pro Ultimate with the DBW addon, but honestly, I'd like to use the AEM as I'm getting at least somewhat comfortable using it.

Beyond that, I added some more wiring today;  new leads from the ECU to the trunk to run staged fuel pumps (trying to cool down my fuel by running less pump).   I ran some extra wires for future use;   I may try a PWM pump controller as well if need be, as that seems like a nice idea.   I also added a 12 gauge lead from the front ground bus to the rear battery lug.   I've not had any potential/offset issues with ground, but I figure it can't hurt to give it a better path.

87
Build Threads / Re: Four's 1JZ swapped FD Project - Rx7upra
« on: August 18, 2019, 03:00:26 PM »
Those look nice.   Sakebomb?

88
Drivetrain / Re: straightening tri-axe handle
« on: August 18, 2019, 10:58:37 AM »
maybe.    Depends on how far youíre moving it.

89
Drivetrain / Re: straightening tri-axe handle
« on: August 18, 2019, 09:42:38 AM »
Itíll crack if you donít heat it.

90
General Tech / Re: Replace Heater Core
« on: August 18, 2019, 09:41:49 AM »
3 hours or so total.

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