My 84 SVO thread

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My 84 SVO thread

Unread postby YaBoyHalle » Sat Oct 24, 2015 5:50 pm

Well with my move to georgia to work at an uncle's company I've decided i need a new car/project. I guess that means i should introduce her:
Image
1984 SVO with a whole bunch of junk done to it. ebay intercooler setup, roller cam, LA2 eec swap (big VAM, injectors,) cone filter, EGR tube flattened and welded shut to accommodate an sn95 throttle body, A/C delete to make way for ebay piping.
Image

Now let me tell you about my first drive! i went all the way to Tennessee for this one, so the ride back took a few hours. the boost control solenoid was bypassed, and the hose to the actuator was torn so the boost went from 0-30 psi in about a second and a half! i had to watch the throttle and couldn't go WOT. after i fixed it i only get 10 psi.. not as fun, but safer until i get a wideband and the original boost solenoid since i believe the LA style solenoids increase boost based on duty cycle?

Anyways, i really need to fix some things. It needs a new dashboard, a lot of paint and a little rust work, another rear bumper needs to go on, speakers and radio, steering is a bit loose. go fast pedal hits a bad slump at like 70%, i think it's the throttle body? i'll be putting the old one back on to see if it's fixed and to scoot around easy at low speeds.

But at least i have my tweecer on it's way here! In BE i only see LA and LA3 and LA has a bad strategy! What do?

Oh, but no driving until i get a plate on the back side:
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Re: My 84 SVO thread

Unread postby decipha » Sat Oct 24, 2015 8:13 pm

yea the def files for that strat are pretty rough

I started going through one once but never finished it, i can post it when i get to my laptop
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Sun Oct 25, 2015 2:17 pm

I'll take whatever you've got! Will la2 work on the la strat or la3 strat? I'd like to see the la calibration since that's rumored to be a huge upgrade in performance
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Re: My 84 SVO thread

Unread postby decipha » Sun Oct 25, 2015 2:30 pm

well crap, all i have is junk im not 100% sure how i came up with what i did so i'd hate to share it

do you have an LA binary?

for the svo/turbocoupes the binaries i've seen referenced are as follows

8UA
LA2
LA3
LB3
PC1
PE
PF2
PF3
PK - 16 bytes
PK1

i see strategies of LSD, T23, and 8UA

can you make any sense of any of this?

there seems to be a bunch of incorrect info for those older boxes

which is rumored to be the best? and what is the most recent?

do you know of any hardware codes for any of these?
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Mon Oct 26, 2015 3:51 am

Yeah I can help. The P- codes are svo's, half the clock speed, half the memory, but very aggressive timing, etc.
La2 is 87ish TC, la3 I heard is written very different but does the same thing. Better than la2 due to applying boost over all gears. Now I've I also heard that LA (the first) was overpowered and caused the v8 engineers to start whining, and they "accidentally" installed a few and they're amazing or whatever.
8UA is auto TC

LA3 is the most recent discounting merkurs, and LA2 is most common. Give me a day or two and I'll pull an LA2 for you, and whatever's in the mysterious reman in my trunk.
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Mon Oct 26, 2015 4:04 am

Oh, and the z code is probably experimental numbered for the early svo's. There's a lot of experimental part numbers on my 84, and the boost control WAS a separate box and solenoid, which changed in 85 to the newer duty cycle solenoid that's eec controlled.

And as for LSD it's an LA2 or 3 modified for SD, it's SVOJohn's method of eliminating the VAM.
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Re: My 84 SVO thread

Unread postby decipha » Mon Oct 26, 2015 7:49 am

cool, that helps a bit

I don't see why he didn't just go alpha-n that would have made a bunch more sense at least to me anyway and would be a bunch easier to code out

does anyone have a bin of this mysterious LA binary? the la3 sounds like its what you want and tune it from there for most of the turbocoupes/svo/merkurs?
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Mon Oct 26, 2015 9:02 am

BE had it I believe, but I couldn't open it with the bad strat. But yes, la3 should run on la2 hardware afaik. That'd be the important one to open up

I like the idea of having a 3 bar map control it than alpha-n.
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Re: My 84 SVO thread

Unread postby red5.0fogger » Tue Oct 27, 2015 7:42 am

Maybe there should be a contest to help tie in your Floodking88 name to the new svo, since it's not the titanic like you had before. Have some fun with it.
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Oct 27, 2015 9:03 am

The skippy schooner? Lol
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Sat Oct 31, 2015 10:54 pm

alright, so i put on a new set of Kumho's, cleaned up a lot of the last owner's crappy wiring (ignition related wires mostly) with good soldering, reattached the rear defroster wires, and made a basic tune from a confirmed LA2 bin. all i really did was improve spark and move it up to 93 oct. the LA2 bin is attached as well as my tune and the mystery computer, PE or something..

Now i need to replace the massively leaking blow off valve and figure out why my boost control valve isn't working..
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Mon Nov 02, 2015 9:43 am

Boost is good, set to 20 psi. The blow off doesn't leak AS MUCH.

Now I'm just trying to figure out why it cuts out power and boost about 4K rpm? Fuel pressure is good, drops to like 20 vacuum, all other gauges look correct. Same effect with 10 or 20 psi. I'll data log as long as it works, I'm thinking it's the fueling being far off or spark is being dropped.
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Nov 03, 2015 7:35 pm

datalogging does NOT work. time to go back to the QH. what's the deal with the stat's? i need to ask svojohn to get his SD tune..

with the new oring in the blow off valve, idle leaks more and is causing real bad fluctuations BUT high rpms are back again! new BOV ordered, as well as a boost control valve (old one lost a spring but not the check valve, and somehow still sticks to 19 psi?).

and sunroof seals. it occasionally rains for days straight here, every day. ruins the hair.
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Sat Nov 07, 2015 5:15 pm

well the sunroof doesn't leak now but it's not flush anymore??? i dont know man. but anywho, i got the QH in and loaded up sailorbob's tunerpro XDF for LA3, threw in spark tables from the SVO's PE computer (way higher) and this thing flies! it idles better, i can shift smoother (dashpot helps time rpm drop with shifting speed?), less bucking. The difference is amazing, and i dont even have the blow off valve in yet. too bad there's not tuners here like there was in california, i have no idea how fast the car really is.

OH and the boost popped off one of the ebay pipes and scared the crap out of me on a twisting road. fun stuff, good thing i have every tool ever in the trunk

Edit: there's 3 spark tables, high and low octane, and base spark. what's the base spark for? similar operation to the GUFB lugging table?
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Nov 24, 2015 9:24 am

The blow off's been replaced by one that's welded on now, no leaks, just as loud lol. Now I'm just having trouble figuring out why WOT power flatlines at 4300 and up. It increases up to that point, and just stops increasing. It doesn't bog down anymore, it's just flat. I have an aem wideband coming in, I can check the fuel ratio at wot, and tune it with... A Pulse width multiplier! D:
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Jan 05, 2016 11:13 am

Well i've moved back to California, so i've been busy. i've had just enough time to rewire the engine harness that was crimped and corroded everywhere. I've replaced the FPR with a stocker, new spark plugs and wires, fixed coolant leaks, added a cheap method to control idle rpm through closed throttle spark. It took the 32 hour drive perfectly!

now i just need to find out why it flatlines at 4400. it's either an intake leak under pressure, not enough spark, or injectors maxing out. I'll have to figure out a pressure test, and throw on a crane coil i had used on the lincoln.

There's not datalogging on tunerpro for it, but there is for BE.. is there a way to switch it over?
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Re: My 84 SVO thread

Unread postby decipha » Tue Jan 05, 2016 4:51 pm

yep, the disassembly write up on the homepage will tell you how

I just updated the datalogging section 2 nights ago but have not posted it yet, the updated write up is much easier to follow I'll post it in a bit
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Jan 05, 2016 11:38 pm

i could follow the guide on creating the def and datalog from a bin, but i'm not sure on how to simply make the BE datalogging file TP compatible.
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Re: My 84 SVO thread

Unread postby decipha » Wed Jan 06, 2016 12:16 am

its in there in the write up at the bottom
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Fri Jan 08, 2016 1:08 pm

i'm trying to figure out patch codes and what not, but everything else i hope is formatted for TP use.

I placed the WB into the stock O2 location, it would drop past 10 AFR about 3.5-5 RPM. swung it back to about 12.6, but it still feels like it's weaker than it should be in that range.

I may still have the wiring harness from the explorer, if you want to try out COP 2.3 control. It'd actually be cheaper (and more fun) than the SD hack i've been considering.
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Re: My 84 SVO thread

Unread postby decipha » Fri Jan 08, 2016 5:23 pm

considering there was never a 4 cyl CoP setup its going to be substantial work to make it happen, it will not be anytime in the near future at all
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Fri Jan 08, 2016 5:33 pm

oh! i thought it would be similar to 4cyl on GUFB. I might just consider the SD hack then.. this fuel is all over the place! it's insane.
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Re: My 84 SVO thread

Unread postby decipha » Fri Jan 08, 2016 7:56 pm

the eec-iv's use an edis module, eec-v will not communicate woth the edis module correctly

you can use an edis4 module and an eec-iv ecu, you can wire up the coils in wasted spark as is pretty common no problem
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Jan 12, 2016 1:47 pm

i suppose then i could take the wiring harness from the lincoln and move around the wiring to fit for MAF. i'll just have to find an EDIS-4 module from a junkyard, and the harness for that. Might be fun. Then i'll pray to car gods the Georgia plates hold me away from the smog man.

if i had to find an eec to use, would you recommend the GUFB or CBAZA?
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Re: My 84 SVO thread

Unread postby decipha » Tue Jan 12, 2016 4:47 pm

theyre both the same, the 94-95 has more knobs to tweec but the 89-93 fox ecu the def file is free

Id go with the 94-95 but i recommend you go with the 89-93
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Re: My 84 SVO thread

Unread postby teal95 » Sat Jan 16, 2016 9:53 pm

Supposedly the VAM isn't capable of measuring the airflow of the engine past ~3500 rpm so they just made it rich enough to be safe. That's why more boost feels so much better, the mixture isn't quite so rich.

I have seen a TFI soft fail where the car just wouldn't pull past 4000. Up to that point it ran fine. I didn't notice it until I went drag racing with it.

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Re: My 84 SVO thread

Unread postby YaBoyHalle » Sat Jan 16, 2016 11:54 pm

the FPR will up the fuel pressure as fast as boost, more boost shouldn't lean it out any. but i did get it up into the 11's. past that, i can not improve it.

Any time a TFI has failed for me it's been either a no start or easily noticable... but i'll check it out, thank you.
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Sun Jan 31, 2016 6:21 pm

i've been away from the car for work, and will be for a while. For now, i'm going to get ready for a 5.0 clutch upgrade. before i left, the clutch started going out! too much power i guess. anywho.

I've got the CBAZA EDIS capable tune, A4A1 from sailorbob. I'll have to wire in for sequintial injectors, a cam sensor from a 95 ranger, and a crank sensor/bracket of some design. What i need to find is the wiring change involved in dropping half the cylinders, as well as some sort of spark table.

The problem with that is i don't trust the 86 SVO table to be ideal. it's also based off of cylinder aircharge and not LOAD, i'm not entirely sure if they're the same or not?
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Re: My 84 SVO thread

Unread postby sailorbob » Mon Feb 01, 2016 11:58 am

Cylinder aircharge (aka "archg") and load are not the same thing but you can easily convert your cylinder aircharge values into load if you know, or can work out, the aircharge a cylinder holds at EEC STP (aka "sarchg") because load = archg/sarchg. I think the conversion for archg is X/(2^22) for your LA2 ecu.
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Mon Feb 01, 2016 6:26 pm

alright. Took me a minute to figure this out. so load is basically the amount of air entering a cylinder compared to the amount that would enter at perfect efficiency? Or written in fewer words, air displaced to max displacement?

"SARCHG is the mass of air one cylinder in lb at Ford's EEC STP (slightly different to normal STP), 22 point scaled. You divide this figure by 0.000044261144906 to convert from lb to cu in and multiply by 8 (number of cylinders) to get the CID of the engine."

Quoting what you said in another thread, my SARCHG should be 0.00154914007.
the tables in LA2 have .30 through 2.6, which SVOJOHN has said to be just ARCHG times 1000.

so really all i have to do is go in and compute load with this value? that's simpler than i had expected, honestly.

Edit: made a math mistake, freaked out, figured it out. an aircharge of .0026 equates to 1.678~ LOAD if i'm right. considering i should hit somewhere above 2 load at 2.5 BAR, I'm way above these tables. i'll have to guess at the scaling above 2.6 aircharge
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Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Aug 30, 2016 5:41 pm

Sooner or later, this thing is coming back together. A dirt tracker at his company Fast Lowe's Auto who's just retired is putting together the new engine build. That means i might actually have to start on the rest! As far as the wiring, which pins will be plugged in for the 4 cylinder controls on the 8cyl computer? E.G. injectors 1-4 not 5-8?
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Re: My 84 SVO thread

Unread postby decipha » Tue Aug 30, 2016 6:49 pm

word
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Name: Michael Decipha Ponto
Vehicle Information: Supercoupin' x10
90 (4x 5spds) - Dante, Ruby, Daja, Ava
91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
00 Lincoln LS - Luanda
98 Camaro SS - Bounquisha
02 Harley F-150 - Sasasha
03 Marauder - DyShyKy
00 Explorer 5L - Bernyce
07 GMC 2500HD 6L - Veranafer
06 Chrysler 300 AWD

Re: My 84 SVO thread

Unread postby YaBoyHalle » Sat Sep 10, 2016 4:56 pm

i'm having trouble finding a pinout for the 94 crown vic, do you have one on hand? i'll go off the mustang's excluding ignition controls until i find one.
YaBoyHalle
A+ Contributor
 
Posts: 309
Joined: Fri Dec 13, 2013 11:22 pm
Name: halle
Vehicle Information: 1993 2.3 LX
~97 hp
Vehicle 2 Information: 1987 Bronco 5.0
~0 hp
it'll run in a weekend or two..

Re: My 84 SVO thread

Unread postby decipha » Sat Sep 10, 2016 6:47 pm

u can interpolate it from the homepage

same as cbaza / czaw0
User avatar
decipha
Tooner
 
Posts: 19118
Joined: Mon Jul 15, 2013 5:29 pm
Location: New Orleans, LA
Name: Michael Decipha Ponto
Vehicle Information: Supercoupin' x10
90 (4x 5spds) - Dante, Ruby, Daja, Ava
91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
00 Lincoln LS - Luanda
98 Camaro SS - Bounquisha
02 Harley F-150 - Sasasha
03 Marauder - DyShyKy
00 Explorer 5L - Bernyce
07 GMC 2500HD 6L - Veranafer
06 Chrysler 300 AWD

Re: My 84 SVO thread

Unread postby YaBoyHalle » Tue Dec 27, 2016 9:20 pm

I've got a donor body, since the svo ended up covered in bondo and full of holes. until the engine is back from the machine shop, i'll be prepping a 93 2.3 mustang with all the suspension/brakes etc from the svo.

I've a couple questions about the C1A1 tune in particular to ask. Mainly, the function of FN113. Is it the minimum spark possible per RPM? if so, it's a fair bit higher than the sealevel table, around where the WOT timing would be at ECT=200. i'd have to scale the whole table up to match im assuming.

As well, is there any particular things you'd think i should change from stock? it's currently stock enough engine wise.

Oh, and the head prepped for the turbo is a late DP head, do you have any timing figures for that head?
YaBoyHalle
A+ Contributor
 
Posts: 309
Joined: Fri Dec 13, 2013 11:22 pm
Name: halle
Vehicle Information: 1993 2.3 LX
~97 hp
Vehicle 2 Information: 1987 Bronco 5.0
~0 hp
it'll run in a weekend or two..


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