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Location:
Brisbane, Queensland
Registered:
May 2002
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1JZ-GTE knowall's please look here
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Thu, 17 October 2002 09:50
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ok I plan to fit a 1JZ-GTE into a TA23, but I plan to slightly work it, twin TO4's cutom manifolds and probably NOS in the end if it still isn't fast enough for somthing close to a low 11 sec.
What I wish to know is the internals of it, what items are forged or if the is a supercharged version with forged internals.
I just want to know the whole in's and outs of the motor.
even mesurments if posible and power ratings.
now don't get me wronge, I'm not just babbling this crap cause it's a twin turbo and ooohhh it goes fast, I'm dead set serious about doing this.
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Location:
c'town, NSW
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Thu, 17 October 2002 10:13
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its good u have a TA23 cause your gonna need somewhere to weld the rack and pinion steering brackets, T series Xmember suits better than R series.
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Location:
c'town, NSW
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Thu, 17 October 2002 10:16
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also theres not a supercharged 1JZ
only 1G anf 4A have s/c versions
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Location:
Brisbane, Queensland
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Thu, 17 October 2002 21:09
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well thats cool that I've got the right car for a start.
I was planning to keep the old steering, but rebuild it with new bits, is there a need to go rack and pinion?.
Also thanks about clearing up the supercharger thing, but can anyone tell me about the engine it's self?
also with I need to moify the sump?
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Registered:
June 2002
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Fri, 18 October 2002 00:15
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From memory you will need to go rack and pinion to make it fit in the first place.
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Location:
Brisbane, Queensland
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Fri, 18 October 2002 10:09
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gwad what a load of dribble!!!.
although I did learn a few things while being bored.
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Location:
Newcastle, NSW, Australia
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Fri, 18 October 2002 12:46
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What's your budget?
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Location:
UK
Registered:
May 2002
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Location:
Brisbane, Queensland
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Fri, 18 October 2002 22:28
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ok budjet is $10,000 and build time is two years.
keep in mind I can get a lot of the things at trade prices and cheaper.
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Location:
Sydney Australia
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Sat, 19 October 2002 09:27
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twin t04's and a tube of Ky 
You might need to budget for more like 15k if your gonna do the diff and stuff to match. And for 15k, i think i'd be spending that money on a 2J.
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Location:
Brisbane, Queensland
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Sun, 20 October 2002 08:42
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2j isn't legal in QLD, I can only go a maxium of 2.5L forced inducted, so therefore the reason for the 1J, can't anyone else tell me anything about the motor?
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Location:
Sydney
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Sun, 20 October 2002 12:00
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man a set of to4's is just silly
you can get a cressida running low 11's with a to4 bolted on a 1J...just a thought...
the internals will handle over 500hp in stock trim...but i don't belive i've heard of many going over 600hp
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Location:
UK
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Sun, 20 October 2002 13:53
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Great engines, very very smooth, power delivery is deceptive.. they feel slow, yet are flying. The twin turbos arent there to make it a big power rocket machine, their purpose is to make a small engine behave and feel like a larger engine, and they do it well. The 1JZ is built for smoothness and not power. Virtually no lag on stock turbos.
Howver, a played with 1JZ is an entirely different machine. Turbo's only good for 14 psi before they are likely to start to disintegrate. A 1JZ with 14 psi is a totally different performance to stock. Any more than that and you'll need intercooler, injectors (j-spec 2JZ injectors fit straight in), uprated turbos (i'm running hybrids) etc.
The following is pinched off another Forum !
Engine type 1JZ - GTE
Engine type Water cooling vertical ranging series 6 cylinder
Valve system DOHC4 valve
Combustion room form Pen To roof type
Inhalation and exhalation of air arrangement Cross flow type
Entire aerodynamic volume displacement 2491cc
Bore x stroke 86.0×71.5mm
Compression ratio 8.5
The highest output 280ps/6200rpm
Largest torque 37.0kgm/4800rpm
Idle rpm 650rpm
Recommendation gasoline Unleaded premium
- Relationship of valve / camshaft
Bubble face diameter
/ Stem diameter IN 33.5mm/6.0mm
EX 29.0mm/6.0mm
Valve spring Wire diameter 3.5mm
Winding number 7.2
Free length 44.4mm
Valve timing IN Opening (btdc) 3°
Closing (ABDC) 41°
EX Opening (BBDC) 46°
Closing (ATDC) 2°
- Inhalation system
Air cleaner Axial flow type filter paper
Fuel feeder EFI
Fuel injection nozzle Injection mouth / diameter 2/-
Injection pressure -
Supercharger Ceramic twin turbo
Intercooler Air cooled system
- Ignition system
Designated sparkplug ND PK20R8
NGK BKR6EP-8
Plug cap 0.7 - 0.8mm
- Cooling / lubricating system
Chilled water total capacity 7.9 liter
ラジエタ&a mp;a mp;a mp;#12540; Heat dissipation quantity (Kcal/h) 47000
Core size (mm) 641.6×375×27
Cooling water flow MT:1.81 liter AT:1.69 liter
Cap injection-valve open pressure 0.9kg/cm2
AT oil cooler Heat dissipation quantity 1800Kcal/h
Core form Double tube system
Oil capacity 0.1 liter
Motor oil capacity 5.2 liter
Oil cooler Water cooling system
- Clutch
System Hydraulic type * dry veneer diaphragm type * pulling system
Clutch cover Size 240mm
Installation overweight 825kg
Clutch disk Size (mm) Major diameter 240× inside diameter 160× thickness 3.5
Material Semi mold
Master cylinder bone 15.87mm
Release cylinder bone 22.20mm
[Updated on: Sun, 20 October 2002 13:58]
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Location:
c'town, NSW
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Mon, 21 October 2002 00:02
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it may be wise to put the stock 1JZ in, upgraded driveline, brakes, wirirng and R/P steering before you do any mods to the engine. i predict after this is done u wont have much left over from 10K. and if u refer to the thread
http://www.toymods.org.au/msgboard/index.php?t=msg &goto=41602&rid=19&S=4d9de6c1353ddaa22 45e238db9aac92c
will give u an idea on what it costs to mod the 1JZ
also refer to some of twin pipe mod threads as celicamad usually posts "real world" prices for what it takes to mod a 1JZ
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Location:
Sydney
Registered:
May 2002
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Re: 1JZ-GTE knowall's please look here
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Mon, 21 October 2002 08:29
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 yeah wot rob said
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Location:
newcastle
Registered:
June 2002
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Re: 1JZ-GTE knowall's please look here
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Fri, 25 October 2002 10:15
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$10,000 will basically only get a stock 1j in the car .yes i have done this conversion(well 1/2 done).The diff is one of the biggest cost if you intend running 11's then you WILL spend $4,000 on a diff .
Twin to4 is a bit extreme it would be a big laggy pig .a single gt 3040 will get you into the 11 sec bracket with very litte lag .a single t04 could make 800 h.p
But you need at least Another $10,000 BEFORE YOU EVEN GET NEAR THIS .
Rack and pinion is not needed but better
Factory internals are good for 800h.p
14psi is a limit only for a bog stock 1j .With a decent dump pipe and a good exhaust 16-18 psi has been run for MANY kilometeres.Although i would not recommend over 16 psi unless you know what your doing
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Location:
Minnesota, USA
Registered:
October 2002
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Re: 1JZ-GTE knowall's please look here
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Fri, 25 October 2002 14:11
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There's a couple of guys with ma70 supra's in the US that swapped in 1J's and are somewhere around 600rwhp. 1j's aren't that common in the US yet, but a few people are starting to put some money in them. The first 1J in the US was supposedly making 495 rwhp with stock twins and all HKS controls (264 cams, too). I am pretty sure that one of the ones making 600 is using the blitz turbos (kkk or something like that)
I'm still gonna run a 7M until the 1J prices come down in the US.
Kevin
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