View Full Version : 1jz-ge
10-04-2003, 06:23 PM
Hey, just had an idea for those of us who would be tickled with an engine that produces under 425 hp and that are dependable and smog legal in CA. Does anyone know what hp figures you can deem from a 3liter 1jz-ge out of a stock lexus [ inline 6] with the addition of a ct 26, and do any of you know if this is a legal move in CA?? I would love to just drop in a 1jzgte, but I will eventually have to reg in CA and would like it legal. Actually a 4.7 liter v-8 would be great also. Iwant a significant power increase for my supra,but I want it legal and not insanley difficult-read expensive beyond my means. Any wisdom or input on this thought would be greatly appreciated.
10-04-2003, 06:28 PM
I was thinking about a 7mgte engine for my supra, but after reading all thie litarature R/T the 7mgte's weak points and the much improved engine design/durability of the 1jz-ge/gte I am leaning towards this engine and quite a distance away from the 7mgte. No offense to you die hard 7m fans :oops: p.s I know the 1jzgte is a 2.5, I am not sure what the engine numbers for the 3 liter I6 in the lexus is. Again any assisstance is always appreciated.
10-04-2003, 07:33 PM
I'm pretty sure the engine in the Lexus IS300 is a 2JZ-GE, unless I'm wrong about that. I'm pretty sure the engine in the SC-300 is also a 2JZ-GE as well. Anyone know any different? I remember a mechanic telling me that a while back.
10-04-2003, 08:07 PM
In Texas, which just about copied Cali laws verbatim, you can upgrade to a newer model engine than the one in your car, provided that all the electronics and smog equipment are installed along with it and then you have to pass the standards for whatever year your engine came from. i.e. you upgrade to a 98 model lexus motor, you now must meet 98 emissions regulations. You are not allowed to add a turbo or any other performance parts that aren't certified by the California Air (lack of)Research Board or CARB. Thats another reason why the 7mgte is appreciated. Not only is it direct-fit, but its just a hair newer and meets smog requirements.
10-04-2003, 08:19 PM
hey guys well the lexus IS 300 and the GS 300 is 2JZ-GE they both have the same engine except the GS has a bigger rear end but dont hold me to it about the rear end
10-04-2003, 09:29 PM
I don't believe there is such a thing as a 1JZ-GE, they are all 1JZGTEs. Anyways in CA 1JZs will never be smog legal no matter what you do. Any engine you swap into a car has to be either Federally certified for Federal cars or CA certified for original CA cars. Since the 1JZ was never imported into the US this isn't going to happen. Your best bet for smog legality into a CA car is a 7MGTE. The problem with the 2JZGTE conversion is the intercooler & piping. According to the ref the only way they'll sign off on is if you use the factory side mount and factory piping all unaltered. Now how they know what a 2JZ side mount and piping looks is a good guess. You could probably use a 1JZ piping and front mount and make it look factory and get it signed off, but its a big gamble if they do know what they are looking at. Your best be is to take your car and register it out of state and get away from the smog nightmare.
10-05-2003, 04:56 AM
1jz-ge's do exist
they have lived in japanese taxis for years
but really its just a waste of time.
its quite a difficult conversion comparitively, and if u were going to that much trouble you would do a gte instead.
05-19-2013, 10:32 PM
hello guys quick question is the 1jz ge duarrble for drifting leaning towards that swap in summer for drifting! hopefully the swap isn't tough iam exhausted of these 5mges
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