Tallzac BO Sportcross (Brz Lsd Diff) - Page 19 - Lexus IS Forum
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post #271 of 285 (permalink) Old 02-13-2016, 09:38 AM
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How's the 4.1 LSD Rear diff compared to the stock? Looking to do something like that on my automatic 05.
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post #272 of 285 (permalink) Old 02-17-2016, 04:54 PM
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The Sportcross is a solid rig! I was looking at them before i got my recent IS, but damn, they hold their resale value out here. Couldn't find a solid one under 8k.
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post #273 of 285 (permalink) Old 02-24-2016, 12:42 PM Thread Starter
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Quote:
Originally Posted by JebsIS300 View Post
How's the 4.1 LSD Rear diff compared to the stock? Looking to do something like that on my automatic 05.
I love it so far, can finally spin both rear tires. I go through a lot more gas now though, only downfall I can think of. Could be me just beating on it everywhere though.

2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac
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post #274 of 285 (permalink) Old 04-23-2016, 01:47 PM Thread Starter
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Finally got rid of all my rear camber, or as much as I can take out with oem adjustments.

F -6 camber 0 toe
R -2 camber 0 toe

Drives much better imo. When drifting it's much more controllable. Very happy about it thus far.



The brz diff finally got some highway testing a couple weeks ago and it was worse then I expected. at 70 it revs at 3500 and 80 at 4k. Luckily I don't do much highway driving so my usual average actually hasn't changed at all. I'm really regretting not doing solid diff bushings when I did the install because the stock bushings are absolutely done.


Mission front end rebuild is still underway, Ive got Trd Lca #2s , new tie rods, moog lower ball joints and poly rack bushings. I plan to pick up a couple more items before I tear into it, looking at the battle version rcas that add steering lock also. After that I'll be doing the rear.

Motor is still completely stock, planning to do the 90k service here asap as I have a nasty oil leak from the back of the valve cover (I hope).

Pretty happy with the car, I've learned lot so far. I've been practicing sliding around and have gotten somewhat decent, its definitely the most fun I've ever had behind the wheel.

Also picked up a vertex kit, its pretty wrecked so it'll be a while before install.







On a side note, reading back through some of my old posts makes me cringe.

2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac
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post #275 of 285 (permalink) Old 06-04-2016, 09:57 AM Thread Starter
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A couple things

Picked up a used apexi n1 for cheap off of craigslist
for only getting the axleback it sounds amazing, very bassy.

Plp short shifter off of a friend. Not quite sure which version it is but I do like it.
The throws are slightly shorter which is nice, I'm not to happy with the new height of the shifter, its a little to short imo.

Key!s Racing wheel and Works Bell hub, waiting on the hub to get here for impressions. Very excited to install.



My rear main seal is leaking so I'm dreading that project. Still waiting on a couple parts so I can refresh the front end. Also still waiting on my vertex kit to be repaired.

Nothing to interesting

2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac
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post #276 of 285 (permalink) Old 12-20-2016, 02:37 PM Thread Starter
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Finally got around to rebuilding the front end yesterday

Moog lower ball joints
Oem inner/outer tie rods
Trd #1 and #2 bushings
Megan Rcas

Car drives great now, no more slack in the steering wheel from side to side and no more vibrations at 50+

Picked up a Vertex Racing steering wheel, shifter extension and bride seat.

Next project is rear main and Na supra clutch setup.




2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac

Last edited by TallZac; 12-20-2016 at 02:54 PM.
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post #277 of 285 (permalink) Old 02-14-2018, 03:22 PM Thread Starter
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Once a year update:

Finally got around to putting on my Vertex kit

New Fidanza and sc300/Supra sprung clutch
- Made no difference at all imo

Did T-belt, plugs, valve covers, front main, rear main, new VVTI cam gear, water pump, the basics.

Poly rack bushings

New CX racing coils 14k/10k

New Megan toe links

Removed RCA's

Bride seat

Vertex wheel

Cr Lies 17x9.5 +23
Federal Rsr 215 45s

Car drives pretty good overall, still hasn't let me down 30k miles in. Still need a steering rack and driveshaft to be 100% imo.

I love this thing but now that JZX90s are beginning to come over state side I might finally jump ship.










TobiasSing and mesooohoppy like this.

2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac
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post #278 of 285 (permalink) Old 02-15-2018, 12:49 PM
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The Sportx looks good with those CR Lies! What do you mean you felt no difference with the new clutch and flywheel?

02' MT w/MK3 Supra LSD and no sunroof
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post #279 of 285 (permalink) Old 02-15-2018, 01:42 PM Thread Starter
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Quote:
Originally Posted by Piggity View Post
The Sportx looks good with those CR Lies! What do you mean you felt no difference with the new clutch and flywheel?
I anticipated similar results/feel that everyone else on here got when going with a lighter weight flywheel. All I got was more of the same, not necessarily complaining as the new setup is marginally better but, meh.

I've heard from different people that if I swap over the manual ecu (which i haven't yet) that it will remove a lot of the rev hang issues that I think I'm getting. Just haven't gotten around to finding someone to program it for me.

2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac
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post #280 of 285 (permalink) Old 05-05-2018, 03:43 PM
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Hey how do you like the JZX100 UCA's? Contemplating those over the Megan UCA's, which I know are adjustable etc, but i do like the simplicity of the JZX's

02 GGP 5spd - BC BR Coilovers, Dezod Green Headers, Stoptech SS Brake Lines, Hawk HP pads, Monster Service +40mm Front Fender Flares, Monster Service +30mm Rear Fender Flares, Fiber Fab Ducktail, Eibach Front/Rear Sways, Sport Design Headlights, Enkei Rpf1 F: 18x9.5+15 Federal 225/40/18 R: 18x10.5 +15 Toyo Proxes HP R-255/35/18
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post #281 of 285 (permalink) Old 09-05-2018, 12:10 PM Thread Starter
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Wow, looks like my pictures disappeared.

Anyways..

Bought a pair of Blitz 03s to Rebuild
17x8 +36 to 17x9.5 +17



Car has been idling like piss for months, would dump down to 400rpm and then kick back to 1000 when the fans turned on. Turns out my MAF was dying slowly, replaced it and everything is smooth again. Replaced the upper ball joints on my JZX arms because the low profile Moonface BJ's were starting to creak and pop. Replaced an o2 sensor. Got a fresh set of Federal 595s 215 45 all the way around. Lastly I removed the stock resonator for a bit more noise.


No I'm getting to the point where I want to begin refreshing the rear end, or maybe grabbing some Figs or Dezod headers and maybe doing cams. But most likely the motor will stay bone stock until I buy a house and have the time and place to mess around with it more.
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2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac
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post #282 of 285 (permalink) Old 09-05-2018, 12:48 PM
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The car looks good, better with the Work style wheels IMO.
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02' MT w/MK3 Supra LSD and no sunroof
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post #283 of 285 (permalink) Old 09-05-2018, 02:22 PM
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nice to see you're still at it with the update!
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post #284 of 285 (permalink) Old 09-05-2018, 04:21 PM
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love manual wagons. i would buy one if i had the patience or knowledge to swap one!

any reason in particular you removed the RCAs?
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Lucy; 04 manual sportdesign
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post #285 of 285 (permalink) Old 09-07-2018, 04:00 PM Thread Starter
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Quote:
Originally Posted by mesooohoppy View Post
love manual wagons. i would buy one if i had the patience or knowledge to swap one!

any reason in particular you removed the RCAs?
I have CX Racing Coilovers and they don't go high at all, so mixing the 20mm drop with them made the front WAY to low. I want the car to be drive-able now and don't want to wreck kit daily driving.


And on the swap, a couple buddies and I knocked it out over the weekend. Literally bought all the tools from Harbor Freight the day before. All hand tools other than a borrowed electric impact. 100% worth it.

Manual swapped GE > Auto GTE

2003 Cw Auto (Rip)
2002 Bo 5 speed Sportcross (current)
-Frs/Brz 4.1 lsd
-5 speed swap
-Megan coilovers
-Battles

Instagram
@Tallzac
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