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Jon's 4doorsupra 2j build (Na-t)

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Old 04-13-19, 11:45 PM
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KahnBB6
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^^ That NA-T engine is starting to look mean. That big intake plenum will handle 400whp for sure. What you may find is that low end torque will be a bit less without the factory cross-over intake manifold. But that will be mitigated mostly by your choice of turbo on that Treadstone manifold if it can spool pretty quickly. Are you perhaps thinking of going with a 58mm or 62mm size for that projected power level?

For diff gearing to match the new engine in your MX73 are you going to use a 3.90 or 3.73 ratio from an MKIII?

Last edited by KahnBB6; 04-13-19 at 11:48 PM.
Old 04-14-19, 11:34 PM
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Coming along nicely, sub'd
Old 04-15-19, 01:35 PM
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73luxury
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Originally Posted by KahnBB6
^^ That NA-T engine is starting to look mean. That big intake plenum will handle 400whp for sure. What you may find is that low end torque will be a bit less without the factory cross-over intake manifold. But that will be mitigated mostly by your choice of turbo on that Treadstone manifold if it can spool pretty quickly. Are you perhaps thinking of going with a 58mm or 62mm size for that projected power level?

For diff gearing to match the new engine in your MX73 are you going to use a 3.90 or 3.73 ratio from an MKIII?
kilo


So i have a 60mm size and currently i have the stock 4.10 auto diff welded. I have a lsd from an auto mx73 but Im not sure what ratio it is I havent looked at it yet.
Old 04-15-19, 01:37 PM
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Originally Posted by Kris9884
Coming along nicely, sub'd
Thanks bro!
Old 04-16-19, 07:36 AM
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I ran my 2jzge swap through a w58 to a stock welded auto diff and didn't have any issues with gearing. I'm sure going NA-T could change that, but I don't remember any of the gears feeling too long or too short to be honest.
Old 05-03-19, 11:30 PM
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73luxury
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Originally Posted by RudysSC
I ran my 2jzge swap through a w58 to a stock welded auto diff and didn't have any issues with gearing. I'm sure going NA-T could change that, but I don't remember any of the gears feeling too long or too short to be honest.
Yeah should be good, Im not too worried about running it like that for now main concern is to get this thing in the car first haha
Old 05-03-19, 11:47 PM
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Update: Mar 5, 2019

What's up! I installed the belt last month and haven't uploaded the pics since. I got around to cleaning and painting the belt covers, I'm really pleased on how they turned out. Bumper and trim paint is the bizz. Went for that oe look, not a huge fan of gloss.

















For this months project, I'm going to work on the turbo rebuild! Stay tuned.. or shall I say stay boosted ya'll!
Old 06-08-19, 10:41 PM
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Update: Jun 8, 2019



What's up clublexus!! Here's the rebuild of my Holset HX35 turbo rebuild. I upgraded to the HX40 billet compressor wheel(60x86) and 10 blade turbine wheel. Switched from the stock internal wastegate exhaust housing to the undivided housing(.82 a/r vs .72). So I purchased the HX35 and it was completely rusted out and the compressor wheel was chewed up. I spent weeks soaking it in vinegar, pb blaster and the exhaust housing would not separate even with heat and a mallet lol. So the turbo has all new components, except for the compressor housing, which was machined to accept the larger billet wheel. I bought a garbage HX35 for $200 and spent $550 to do this rebuild, so in total I spent $750 for a rebuild turbo. The wheels were balanced as an assembly and the compressor housing was machined by Turbolabofamerica. In short, I have a HX35 with HX40 guts.





































Old 06-08-19, 10:53 PM
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Here's the comparison of the stock divided and the new undivided housings. Dont mind my bent clamp lol




Old 06-10-19, 09:37 AM
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Pretty sure you can use Q45 TB on those intakes, my friend has?
Old 06-10-19, 12:09 PM
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Originally Posted by silentkill
Pretty sure you can use Q45 TB on those intakes, my friend has?
I have a q45 tb and the bolt holes dont match. What do you mean
Old 09-27-19, 07:22 PM
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Update: Sep 27, 2019

Hey whats up guys, its been 3 months since I've been on here. Just had a baby and haven't had the time or energy to upload stuff.. but the 2j is almost ready. Brace yourselves for the photo dump!! Enjoy




Found shorter OEM bolts to fit the treadstone manifold










BYE BYE 5mge its been a good 6 years





Dirty old girl




Mostly everything removed and power washed to see what I have to work with.



Sanding and removing seam sealer, Attempted to weld all unwanted holes for a cleaner bay, but time was not on my side so I just used metal filler.









Appled new seam sealer



Time for paint!
Old 09-27-19, 07:25 PM
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First coat of high fill primer, I did 3 coats but didn't take photos of all stages


First coat of super white Toyota factory color. code 040





Cleaned off the subframe it was covered in layers of oil





More paint... and decided to paint the rails black for cost purposes.







Flywheel resurfaced and went with ACT extreme clutch kit




Well hello there. Cressida meet jz, Jz meet cressida.





Bought a remanufactured rack because my old one was leaking and its much easier to install one when the motor is out anyways



And shes finally in after 4 weekends of painting and $200 of paint, now the real run begins.







My goal was to have it running by summer, oh wait oops its almost fall... I guess I'll shoot for the end of the year to be more realistic haha



2023 update! Got caught up with getting the car running and put back together, here’s a photo dump since the engine bay post.


8/20/19






Last edited by 73luxury; 03-06-23 at 11:17 PM.
Old 03-07-23, 09:11 PM
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Alternator relocation bracket with ls430 high amp alternator


Belt fits perfectly


-10an oil drain

Ric flair drip



New coolant hoses








Repositioned mounts to have rad sit flush

Old 03-07-23, 09:19 PM
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Intercooler fits behind hood latch. Not a fan of hood pins, nothing hood bout me lol


Corrected valve lash








Hot side




0 gauge ground

Hood exit mocked up


Can’t go wrong with these bad boys

My buddy did my harness plug and play 3 years strong. All oem style clips for turnkey application. If you need custom wiring hit me up!

Vibration eliminator

Home made 3” down for the budget build


update** 3-28-24 sheesh
a few years later

I’ve been enjoying the motor, I never updated this thread but it has been running perfectly. It’s been through 3 track days since with no issues. Planning on upgrading the ecu and injectors this year.


High pressure line adapted to AN fittings

IAT installed

IACV flange fabbed up




Last edited by 73luxury; 03-28-24 at 12:45 PM.
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