February 16, 2025, 02:52:24 PM

Author Topic: Ten Pounds of Shit in a Five Pound Bag - Twin Turbo LS3/DCT Daily Driver  (Read 142391 times)

Offline frijolee

Wonder if I could fit a 315???


Depends on the 315 and whether you're willing to raise the ride height.  How much clearance do you have to the control arm?  At the fender 10 and 2'o clock will be your points of minimum clearance.  Tire diameter is likely to grow at the same time assuming you're on 30 section tires.  I've also had rubbing and such dynamically when I thought it looked good using a static clearance test.  I think your fitment is about perfect as is.
LS2 stroker FC, Mandeville big brakes, widebody, etc
Build thread:  http://www.norotors.com/index.php?topic=1274.0
www.roninspeedworks.com

LargeOrangeFont says: "Joel is right, and I love Joel. But his car sounds like the wrath of God."   ;)

Offline shainiac

I think I might have 5-7mm on the inside of the tire. The wheels are 18*10 +22mm, so not super agressive. I see what you mean about the 10&2 spots being tighter. I'm already not stoked about having a 255/295 stagger. 255/315 would be pretty silly. It's not a track car, so not super worried about it but I also don't want to drive a dragster on skinnies!
'88 TII -  Rods/Pistons LS3, Twin G30-770s, MaxxECU Pro/PDM
BMW DCT Swap, Ronin 8.8" IRS

Offline Cobranut

I think that looks really good too.
There are few things more annoying than not enough tire clearance.  :banghead:
1995 FD, 7.0 Liter stroked LS3, T56, 8.8, Samberg kit.

Offline wickedrx7

Looks good! I like the lights!

1993 Touring, 2012 L99, T-56, Ronnin 8.8, Ohlins, Speedhut, Samberg and lots of custom parts
Build Thread - http://www.norotors.com/index.php?topic=19354.0
Pictures - www.flikr.com/wickedrx7

Offline Exidous

Glad that the LDDs worked for you. You certainly made quick work of the setup!
94 BB Sleeved gen IV LS7, MS3ProU with TC, RONIN 8.8 and LT's with custom 3.5"single to VAREX muffler.

Offline shainiac

Thanks! I went for a quick drive after dark last night. These suckers are BRIGHT! I eyeballed the aim and still need to dial it in. Seriously better than any car I've owned. The hi beams are also insane. There are no streetlights in my area and it was like driving during the day. Very happy with how they turned out.
'88 TII -  Rods/Pistons LS3, Twin G30-770s, MaxxECU Pro/PDM
BMW DCT Swap, Ronin 8.8" IRS

Offline shainiac

Finally got Traction Control working properly! There was some weirdness in the MS3 Firmware that made the setup not straight forward, but it is working now.

I have an ON/OFF switch and a 0-11 trim pot/knob that controls the amount of slip the system can see before TC starts to engage. I have it set now to switch position '0'= 5% slip and position '11'= 30%. The higher I crank the switch, the more slip the TC allows before intervening. Also, the less aggressively it intervenes.

The way TC works in the MS3, once you're above your slip threshold, the ECU starts counting %Slip*Time. The slip*time count is what the ECU reacts to.
Kinda hard to explain, but basically the longer you're spinning, the more aggressively it pulls timing and boost. I still need to tweak the ECU's reactions some more. The stock settings aren't setup for over 600 lbft of torque lol.
With some pretty mild settings and TC on, I did a 2nd gear pull on 10psi and saw a max wheel slip of 22% in . I did a second 2nd gear pull with TC off (tires more warm now), and wheel slip was 33%.
So, it IS working, just not quite enough yet.

I also had to get creative with the front wheel speed sensor. I tried using the stock Ford reluctor ring and just wasn't able to get a clean signal. The stock ABS sensors are a unusual type and the reluctor ring was slightly magnetized. I ended up welding some M5 countersink screws from a Momo steering wheel hub directly to the reluctor  :lipsrsealed:. No clue what alloy the reluctor is made from, but it welded like poo!

One other thing, After aligning the car and being a little more cognisant of what's going on in the front suspension, I'm pretty sure I'm getting a lot of bumpsteer.
Not a huge surprise there considering the front knuckles came off a Mustang. I was hoping that having a bumpsteer kit, I could dial in whatever amount of spacer the car wanted, but even with no spacer, it seems I'm out of adjustment.
When lowing the car off the jack, you can see the wheels toe out as they compress. After doing some reading, it looks like Toe out in compression and toe in in droop = outer tie rod too low.
I have the tie rod set as high as possible on the bumpsteer stud. Looking at my options, I can really only turn down the hex portion of the bumpsteer kit stud and raise the tie rod ~3/8".
The easier option would be to drill out the knuckle for a straight 5/8" bolt. There seem to be plenty of people with straight bolts for heim joint tie rods on drag cars and 4x4s, I'm just not sure how smart that would be for a street car.








« Last Edit: April 29, 2020, 08:41:24 AM by shainiac »
'88 TII -  Rods/Pistons LS3, Twin G30-770s, MaxxECU Pro/PDM
BMW DCT Swap, Ronin 8.8" IRS

Offline digitalsolo

Is that a VR or Hall sensor for the speed pickup?   
Blake MF'ing McBride
1988 Mazda RX7 - Turbo LS1/T56/ProEFI/8.8/Not Slow...   sold.
1965 Mustang Coupe - TT Coyote, TR6060, modern brakes/suspension...
2007 Aston Martin V8 Vantage - Gen V LT4/TR6060, upper/lower pullies, headers, tune.
2021 Tesla Model 3 Performance - Stock...ish.

Offline shainiac

It's your standard 3-wire Cherry (now ZF?) Hall sensor.
The stock S197 Mustangs use a Magnetoresistive sensor, as best I can tell. It's a 2-wire sensor but didn't ohm out like any VR sensor I've seen and it had Tech Support at  MS3 scratching their head.
I did get the Hall to read off the the reluctor teeth at low speeds, but it'd drop out at higher speeds. Pretty sure the reluctor is powdered metal. It welded like I had the gas turned off and would grow little hollow "worms" in the weld. Really weird.
'88 TII -  Rods/Pistons LS3, Twin G30-770s, MaxxECU Pro/PDM
BMW DCT Swap, Ronin 8.8" IRS

Offline SuperSlow

Once you get it dialed in that traction control is going to be awesome. Always love seeing the progress, keep it up!

Also, would love to see you make some vbox/dragy hits.

Offline shainiac

Thanks! I'm at the point now where I'm just making small tweaks the TC every time I go for a drive. I also filled the car up with ethanol and turned the boost up this weekend. Even with TC on, the data logs show 10% wheel spin in 3rd and 6% in 4th! I definitely need. On 15 psi the car is also using more fuel than it was on 18psi on the Dyno. It feels FAST.
Today I washed the car really well and swept/blew out my garage to get ready to start vinyl wrapping. I've been driving around with all the sanded Bondo spots from filling paint chip for about a month. It'll be nice to have a shiny car for once!
'88 TII -  Rods/Pistons LS3, Twin G30-770s, MaxxECU Pro/PDM
BMW DCT Swap, Ronin 8.8" IRS

Offline shainiac

I'm finally starting the vinyl wrap  :)
The learning curve is steep! Manipulating the film and knowing where to start and which spots to work out first is a challenge. It's very easy to work yourself into a corner where all of the wrinkles and extra material accumulate and you have to start all over again.
I ended up starting with the overfenders, but quickly scrapped a large piece of vinyl due to using too much heat. 3D shapes are challenging, so I moved to something I thought would be easier, the doors. The passenger door came out so-so. There are a couple pieces of debris stuck under the wrap that are now there forever. I washed the car really well prior to wrapping, blew everything down with air and wiped everything down with alcohol and a microfiber and finally tack cloth.
I somehow still managed to pick up some crap under the vinyl, probably from re-positioning it 20 times  :banghead:

If I have left over vinyl at the end (unlikely), I'd like to re-wrap the door, but for now, it looks fine from 10'.
The gas lid turned out nice, at least! I really like the color. It looks damn near black when not in direct sunlight, but really pops in the light.






'88 TII -  Rods/Pistons LS3, Twin G30-770s, MaxxECU Pro/PDM
BMW DCT Swap, Ronin 8.8" IRS

Offline wickedrx7

I like the color!

1993 Touring, 2012 L99, T-56, Ronnin 8.8, Ohlins, Speedhut, Samberg and lots of custom parts
Build Thread - http://www.norotors.com/index.php?topic=19354.0
Pictures - www.flikr.com/wickedrx7

Offline SuperSlow

Yea, that color looks awesome!

I had a dream about wrapping my car about a week ago, but I like the trashy look to much  :).

Offline shainiac

Thanks! I ended up abandoning the wrap plan after I realized that it showed every paint chip and ding on the car. I'm almost finished with the body work now and getting it ready to prime. I wanted to stick with a color close enough to the OEM black so not painting the door jams wouldn't look dumb, so it's getting sprayed jet black with a tiny bit of black/emerald pearl in the clear. I disregarded all of the great advice from all of the Norotors guys and I'm attempting to paint it myself. All the gear showed up last weekend and my paint just showed up today. I feel like I've made a huge mistake, but it's just time and money  :)

If you want enough vinyl to wrap to do 3/4 of an RX-7, let me know and I'll cut you a crazy deal lol :poke:
'88 TII -  Rods/Pistons LS3, Twin G30-770s, MaxxECU Pro/PDM
BMW DCT Swap, Ronin 8.8" IRS