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SFBMX88 LS2 Flatty build

s13 rack smog legal flatty 5 lug shortened struts 6 speed auto to manual LS swap t-56

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#161 Turbo Cary

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Posted 28 August 2019 - 06:32 AM

Great job! How did you bypass the theft deterrent module or did you incorporate it into your column? I know that with GM cars the theft module sends data to the body module which tells the ECU it is ok to crank/run. If you were local to me I would have programmed your ECU at no charge. My boss would have thought it was cool and let me do it on the side.





#162 SFBMX88

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Posted 28 August 2019 - 07:53 PM

Thanks guys!  This has been a huge test of my patience, and a culmination of what I have learned on previous projects.  Itís coming out much better than I was expecting.  The hard stuff is done, now for the millions of little things that need sorting out.

Jinx, if I put the same effort into a G54B, it would never pass CA Smog visuals lol.  I certified the 4age in the Starlet about 5 years ago.  Was a lot simpler to get done, as itís pre-OBD2.  Basically doubled the horsies of that car with a stock engine.  About 120hp in an 1800lb rwd car.  Also running AE86 suspension/brakes/LSD.

Cary, luckily, it had the most current PCM flash!  I kept the VATS in tact to add layers to my vehicle security.  I did omit those details here in the thread for obvious reasons.  The BCM was needed first for me to run the GTO IPC(cluster), and as I went down the rabbit hole, found itís also needed for the VATS, and air conditioning request signals.  I may try to hook up the antenna and run the keyless entry through it too.

Edited by SFBMX88, 28 August 2019 - 07:54 PM.


#163 Turbo Cary

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Posted 01 September 2019 - 11:19 AM

 SFBMX88, on 28 August 2019 - 07:53 PM, said:

Cary, luckily, it had the most current PCM flash!  I kept the VATS in tact to add layers to my vehicle security.  I did omit those details here in the thread for obvious reasons.  The BCM was needed first for me to run the GTO IPC(cluster), and as I went down the rabbit hole, found itís also needed for the VATS, and air conditioning request signals.  I may try to hook up the antenna and run the keyless entry through it too.

The "antenna" may need to be programmed. It is called the Remote Control Door Lock Receiver or RCDLR. You'll just need to wire a few wires to it. One is Class 2 or Low Speed network wires to the BCM, the other is power and ground. The remotes will need to be programmed to the RCDLR.

Basically when you hit the remote the RCDLR checks the fob signal, verifies its programming, then sends the unlock/lock request to the BCM.

Now as for actually operating the locks you may have to get a door module to do it. I dont know the specific schematics of your year range BCM off the top of my head and how it controls the locks.

If you need any OE diagrams then PM me your model and year BCM info and I will pull them from GM service information. I can also get you connector end views which also list all terminal types and part numbers.

I recommend hooking it up! Having keyless entry, alarm, and remote start would be great. It would be an OE system all working as it was designed so you shouldn't have too many issues. I have seen VATS pass lock sensors fail but that's about it.

Edited by Turbo Cary, 01 September 2019 - 11:27 AM.


#164 SFBMX88

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Posted 02 September 2019 - 07:01 AM

I was thinking about just getting the GTO fob, and cutting/tapping a Mitsubishi key to fit it.  The fob itself can be manually programmed in car, without a tech2, but it takes much longer.  I still have the antenna and key slip ring from the GTO, so Iíll play with those later. The antenna harness is also still connected to the BCM and tucked in under the dash ready to go. Donít remember seeing any door modules in the diagrams though.  The GTO is still pretty simple compared to todayís systems.  The fob only has lock/unlock and trunk release, so Iíll most likely delete the hatch cable/lever and run a button and solenoid instead.  Itís all pretty low on the priority list though.

Edited by SFBMX88, 02 September 2019 - 07:04 AM.


#165 Turbo Cary

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Posted 02 September 2019 - 12:56 PM

I don't see why the GTO key blade couldn't just be cut down to match the Mitsubishi key. As long as the pass lock chip is ok then it should work.

#166 SFBMX88

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Posted 03 September 2019 - 12:28 PM

The GTO key is a completely different shape compared to the Mitsubishi key.  Would be easier to cut down the Mitsu key to mount it inside the fob.

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#167 SFBMX88

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Posted 03 September 2019 - 03:51 PM

August 2019 e

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That day has arrived!

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The inspection takes much longer than the usual smog check.  Everything has to be verified.  OBD data was analyzed, and actuator/sensor functions are checked bidirectionally with a scan tool.  Inspector said about 95% of swapped cars that roll through don't pass the first time.  My wife and kid helped to pass the near 2 hours it took to inspect.  400hp and smog legal...

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I think he likes the 80s elements of the car

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Doggo

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Getting 26-30 mpg at 65 mph with the cruise control on.  Not too shabby.

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Weighed the front and back of the car with almost 3/4 of a tank of fuel in it.  No front swaybar yet, AC evaporator assembly in, no engine oil cooler+accusump+remote filter...this thing is near the same weight as when it was G54!

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Weight when I brought the car down November 2017 with near empty gas tank.

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Im nowhere near ready to paint the car, but I thought I would put a new emblem on anyway LOL

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Now for all the million little things to make and fix.  The hard part is done!

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#168 Preludedude

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Posted 03 September 2019 - 06:13 PM

Just an amazing job.  

I couldn't imagine having to go thru all the checking/testing.  

SC>CA

:)

#169 tsi_tom

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Posted 03 September 2019 - 07:05 PM

Congrats!
Engine
20 over forged pistons
Stock injection system

My restoration project: The Missouri Project

#170 mbruneaux

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Posted 04 September 2019 - 09:33 PM

Very cool and you did it right!
Canterbury, CT
1989 Chrysler Conquest TSi (Project Race Car) Build thread http://www.starquest...opic=147910&hl=
2001 BMW 740iL - My Daily
2003 Chevrolet Suburban 2500 8.1  To tow the two hay burners
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#171 SFBMX88

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Posted 06 March 2020 - 06:27 PM

I  think 6 months is long enough, so have some small updates....

September 2019 a

Been wanting to put a third brake light pulser in, and a friend hooked me up with one that didnt work with his new BMW motorcycle.

https://youtu.be/aMgUzmjyfR8

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Started checking clearance for a front swaybar as the factory style SST bar wouldnt clear the GTO front sump oil pan,

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Messaged GKTech to get some dimensions on their Nissan S-chassis high clearance/swap swaybar(clears oil pans on swapped 240s), and got some rough dimensions.  Theyre an Australian company, so the tape measure they pictured is metric.  Cut and pasted this pic in my phone, and it seemed that it would fit my car...

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Somebody along the line screwed up my order and didnt pack the splined arms that connect to the swaybar.  It eventually got sorted out, and the arms were shipped.

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GKTech with the OEM style SST bar laid over it for comparison.  The GKTech bar is actually flat compared to the SST.  Tons of oil pan clearance!

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The only thing that worried me was the clearance between the splines and strut rods.  My car is slightly lowered, if it was slammed, there would be contact here.  The arms hadnt arrived yet, so this sat for a bit.

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Had a long drive ahead of me coming up, so I threw in a new head unit.  No more CD player mechanicals, so its lighter and shorter than the usual receivers.  The Harness actually used the same terminals, but different connectors, so I just depinned and swapped the plastic body to hook up.  Made a bracket to mount both the HVAC control and receiver to the center console.  Ill revisit this later on for a clean up....

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More for September soon....

#172 SFBMX88

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Posted 06 March 2020 - 06:51 PM

September 2019 b

Friend of mine was getting married and held a bachelor party rally over a weekend, and round trip was 500+ miles.  Threw my black shirt over the dash to fight the glare off the windshield for a bit. I may flock the dash sometime in the future...

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Car never skipped a beat the entire time.  We stopped for a short rest at an intersection where it was 108 degrees.  AC is next on the list!  Did some rear steering, then let one of my buddies "enjoy" the car for a bit...

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https://youtu.be/a1X47kWnsWE
https://youtu.be/V6nfd1-kDZY
https://youtu.be/RHhV5LY8zL4

Almost to our destination...

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The AirBNB was awesome for a big group of cars!.  We all fit down the side driveway.

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On the way back home, half of the group took the more direct freeway, while the rest of us drove back up the Pacific Coast.  Had lunch along the way and took in some of the views.  I dove my friends RHD converted Integra for a bit too.

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More on the way....

#173 SFBMX88

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Posted 06 March 2020 - 07:20 PM

September 2019 c

Knicked something on the road and it damaged the fan shroud.  Dammit.

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Some night shots.

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Back to work... swaybar arms came in, so test fitting was needed.  Tried them multiple ways, but I didnt like the clearance between the pinch bolt area and strut rods, so after much thought, I decided to rotate the splines.  

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Took a bunch of time figuring out the best places to cut to give me the most clearance after welding it back together.  Had to dig through all my metal scraps to cobble together a jig to help with reassembly.  Found a few bits to keep things nice and centered too.

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I wanted as straight a cut as possible, so I let my friend cut them at his work with a band saw.

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More on the swaybar later...like months later....

Just a short idle clip to end the month....

https://youtu.be/YCKpcigTFoc

#174 SFBMX88

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Posted 13 March 2020 - 05:48 PM

Since I was busy enjoying the car, nothing happened in October, so here are some memes....

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November 2019

An annoying rattle under the gauge hood finally got to me, so I epoxied/taped the metal backing plate down.

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Thats if for November!  It was odd not having something to dive deep into and build.

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December 2019

More lollygagging

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The more you know...

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Glad I got the car up and running when I did though...

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2 kids now, so less time for updates!

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Thats if for 2019!
.

#175 Preludedude

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Posted 14 March 2020 - 05:59 AM

I really enjoy reading your threads...Maybe its always the memes thrown in there randomly.....Congrats on the new baby...Puts things in perspective...At the end of the day, the cq just doesn't feel that necessary, does it?

#176 SFBMX88

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Posted 26 March 2020 - 11:46 AM

Yea, at the end of the day, its just a toy lol.

Still not getting much done at the start of the new year...

Heres another meme for you"

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January 2020

Got the swaybar arms connected back together.  The jig worked out well.

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A couple buddies stopped by the shop with their own Flatties :wub:
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Saw a GTO...

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Got into talks with TechnoToyTuning into offering ther GTX2 arms for our cars.  They sent me a sheet to fill out with dimensions, so I got that out to them.  Also, on the way to Tahoe for a snow trip, I dropped off one of our lower balljoints at their shop for measurement/comparison.

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More next month...

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#177 SFBMX88

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Posted 26 March 2020 - 12:09 PM

February 2020

The lift has been occupied, so the parking lot and ramps it is.  Test fitted the arms and checked clearances.

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My set of Ebay swaybar links came in, and I found out the the heims were super loose turds. I ended up ordering PTFE high misalignment heims from McMaster, and using poly bushings that I had at the shop.  The new heims turned out to be QA1 parts and were nice and tight.

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Splash shield still fits!

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I may need to cut off the protruding splines since the front tires make slight contact at full lock.  I need new tires too :lol:

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Car feels much better now!  Thats it for February!

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#178 obsolete

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Posted 26 March 2020 - 12:25 PM

This is a really well thought out and executed build. Enjoying following along!
Buy the ticket, take the ride.





Also tagged with one or more of these keywords: s13 rack, smog legal, flatty, 5 lug, shortened struts, 6 speed, auto to manual, LS swap, t-56

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