JDM 2J to USDM 2J questions

drunk_medic

7Ms are for Cressidas
Apr 1, 2005
574
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Woodstock, GA
MA717MGTE said:
soo let me get this all correct and if you was doing it my way..

JDM 2J swap, USDM harness, ecu, maf, cams (or aftermarket upgrade) 550 injectors (but if i run single might as well go with somthing bigger) rrfpr, single manifold, Turbo (had concedered the Garret GT35) replacment dp, high flow cat (visual inspections here) catback (hpf 4") filter kit, piggy back management safcII or Emanage.

would that sum it up or what would ur set up be?

That is roughly what I will be doing, but I will probably stay at BPU with the stock turbochargers set to true twin conversion [TTC] for awhile, until I can afford a turbo kit, fuel system, stand-alone and tuning.
 

tissimo

Stock is boring :(
Apr 5, 2005
4,238
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Melbourne, FL
you can use the jdm harness.. just have to extend it..

I personally have my 2j running off the 1jz harness.. still have my aristo harness.. maybe eventually get to wiring it up to work
 

MA717MGTE

boostaholic
Apr 2, 2005
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Bristol VA
are the ecu connectors the same for the 1J/2J? i wouldnt think they were, and how is that working out for a 2J on a 1J harness what mods did that take u?
 

RacerXJ220

Interdimensional
Mar 30, 2005
1,504
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Abalama
OneJoeZee said:
sources please...

I'm inquiring because when the 2J vvti comes up people's response is always "not worth it. it's too much work. hard to work with" etc

but the sm member Satan has used one without many negative things to say about it.

http://www.supramania.com/forums/showpost.php?p=219285&postcount=5

http://www.supramania.com/forums/showpost.php?p=4139&postcount=28

http://www.supraforums.com/forum/showthread.php?t=180785&highlight=VVTi

I don't see anything wrong with it. People used to hesitate about 1Js too because it was 'hard to do' or wire up or whatever. but we know that's not true.

How much 'weaker' is the VVTi motor? I'd like to know. Instead of 1000hp stock block, is it only 700 now then? or something like that that doesn't really matter for most people anyway.

Rods are significantly smaller, as well as the rings and ringlands.

Those high HP VVTi setups don't use stock bottom ends.

There's nothing wrong with it sub 400rwhp. That's the point when all the IS300 guys start to worry, because that's what dyno/street time beyond that level has proven, regardless of how conservative the tune was. Sure some get lucky and might pump out 500, but how long do they last? Funny because most won't admit when they blew the motors, just like Supra owners.

After the bottom end is switched over to GE/GTE or aftermarket rods, pistons/rings, tuning the VVTi with special cams, and degree them in with a piggyback that can actually control them (limited) it gets costly to have everything shipped from Japan/Australia. I'm curious to know how many tuner shops in Japan actually keep the VVTi.
 

tissimo

Stock is boring :(
Apr 5, 2005
4,238
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Melbourne, FL
I think the gte vvti bottom ends are just as strong.. the GE vvti bottom ends are weak though


I'm using a 2j aem ems w/ a custom adapter harness.. SupraNick is running his 2j off a 1jz ecu though..

I used the parts from my 1j and put them on the 2j (oil pan, bellhousing,fw etc)
 

89toy

Banned
Nov 10, 2006
77
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10,000 lakes
See what i mean tissimo yur ride is the crazy ass hauler, man i jealous but than again i plan on destroy allllllllll 2j competition that comes my way. So get out my WAYYYYYYYYYYY YOOOOOOOOOOOOO HAHAHAHAHAAAAA.
 

MA717MGTE

boostaholic
Apr 2, 2005
404
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Bristol VA
thanks for all this imput guys, keep it all coming. now no one except druken medic really gave imput on my idea and swap direction i had thought, but i have noticed 1J and parts are cheaper and really not that hard to find (if in stock) and now that Driftnation has also completed thier Stinger install im wondering if i shouldnt just go 1J, i admit having a 2J is almost just bragging rights but some are making impressive #'s on 1J's but im still in the debating process before i make my choice, so again if any one has imput please respond to either the 1J or 2J thx.