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Location:
Camden, NSW
Registered:
June 2002
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what next for the 7mgte?
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Mon, 10 November 2003 08:06
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Hey there,
Now the 7m in question is in an ma70, it is running 10psi and has had the head gasket re tourqued. Its got a full 2.5inch exhaust, bov, turbo timer and boost controller.
This is where i see me spending my money in the next few weeks:
1. Metal Head Gasket as it is already running more than stock boost
2. Suspension, some new springs and shocks to improve the ride and handling
3. Injectors, sensors, intake etc.
4. New computer of some description, not sure what one yet, spose i need to have a look at easy of navigation etc, what do guys reccomend? I dont want microtech, heard they are hard to use? Wolf seems like an easy one to program etc?
5. Eventually when i get round to it mid next year, bigger turbo etc, the more $$$$ modifications lol.
Now what i would like to know is what you guys would do if it was your engine? I personally am thinking maybe work the internals before uprgrading turbo. I think most will agree with 1 and 2, but anything else u feel needs to go in id love to hear. thanks alot guys!
Scott
[Updated on: Mon, 10 November 2003 08:33]
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Location:
North Sydney
Registered:
May 2002
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Re: what next for the 7mgte?
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Mon, 10 November 2003 09:11
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If it was mine id
-be changing the computer first because the tuning figures in it are the reason the head gasket blows not because of the head gasket. The detonation from far too advanced timing is the reason. You'll get alot more benefit from that then doing internals. Internals are one of the last things to do.
- You cant change the injectors, sensor and intake(removing the AFM) without changing the computer or re tuning it so might as well change the ECU and that will fix alot and alow more power to be developed.
- I would go Microtech, alot of others would agree on here its perfect. I wired up mine in about 5 hours, turn the key and drive 
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Location:
Camden, NSW
Registered:
June 2002
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Re: what next for the 7mgte?
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Mon, 10 November 2003 09:22
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with the microtech, you cant just reprogram it if it is put in another car can you? this is what i have heard neway.
so ur saying, not to bother wid mhg yet? and just fit a new comp?
what sort of power increase would i expect to gain with a new ecu and have it tuned properly? or would i need to do injectors etc to have any noticible/worthwhile gains?
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: what next for the 7mgte?
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Mon, 10 November 2003 09:23
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mtech are EASY to install, and easy to use (provided you get the laptop type)
of course, they are the entry level stand-alone ecu - if you've got $4k sitting around for an ecu, dont get one
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Location:
Melbourne
Registered:
May 2002
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Re: what next for the 7mgte?
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Mon, 10 November 2003 12:54
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theres proven 400hp on the stock ecu with the 1uz-fe AFM and 550cc injectors if you want more then that go a motec dont stuff around with anything else
Allan
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Location:
Brisbane
Registered:
May 2002
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Re: what next for the 7mgte?
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Mon, 10 November 2003 23:29
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The first thing I'd do is throw away that 2.5" pea-shooter exhaust and replace it with a 3" (minimum) system from the turbo back. You'd be amazed how much difference this makes on a turbo car!
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Location:
North Sydney
Registered:
May 2002
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Re: what next for the 7mgte?
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Tue, 11 November 2003 04:19
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Yes, basically put the Microtech on and leave the mHG for later if you need more than 400hp. THat way you can remove restrictions like the air flow meter and tune it better.
You'll get a decent increase like when I put a Microtech on Dravens 1J it put out 187Kw at the wheels with exhuast only, whilst other 1jz's are putting out 130-145max with same mods.
And its bullshit that you can't remove the Microtech and program it for another car later.
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Location:
Adelaide, SA
Registered:
May 2002
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Location:
Camden, NSW
Registered:
June 2002
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Re: what next for the 7mgte?
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Tue, 11 November 2003 05:30
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mtech, dont u have to buy something else so it can be reprogrammed for another car?
400hp... i think that would do me  for awhile neway 
i think its 2.5, might b 2.75, not exactly sure, will have to have another look. Exhaust size, what should i go? 3"? or even bigger than that?
ill have bout 3-4k to spend on the motor. what sort of output should i expect for that sort of money? eventually id be aiming for 350-400hp i guess so would i get anywhere near that mark?
What sort of output can i expect to achieve before the stock turbo goes "ok, i cant produce anymore power"?
Cheers guys
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Location:
Adelaide, SA
Registered:
May 2002
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Re: what next for the 7mgte?
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Tue, 11 November 2003 05:34
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Max power stock, or with a hi-flowed Ct-26? I know of some-one with a very worked 7m and a high-flowed CT-26 that is producing 240 rWkW - near the limit of the turbo. The list of other mods is extensive though...... 
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Location:
Camden, NSW
Registered:
June 2002
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Re: what next for the 7mgte?
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Tue, 11 November 2003 05:40
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at the moment its stock turbo i think, is there anyway to check? im new to the 7m as u can prolly tell lol 
what should i expect from both turbos? stock and hi-flowed?
would it be worth getting it done? or just swap the turbo to a hi-flowed one?
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Location:
Adelaide, SA
Registered:
May 2002
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Re: what next for the 7mgte?
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Tue, 11 November 2003 05:46
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I'd go with the management etc, and then when you run out of turbo puff, buy a hi-flowed one. Then, when that runs out of power for you, get a GT30!
A good 7m mods list would be found herehttp://www.turbosupras.com/pages/members/dannyc.ht m
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Location:
Adelaide
Registered:
September 2003
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Re: what next for the 7mgte?
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Tue, 11 November 2003 21:06
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Personally, my list of mods will include the Lexus AFM + 550cc injectors, ported head, hi-flowed turbo (when I find a decent one at a decent price), 3" exhaust and very good I/C (made up of 2 ARC cores that are 370x220x70), and of course the obligatory ARP studs (on their way from the states as we speak).
That should give me more than enough to have some fun in a Mk2. Non engine mods will include 16x8 Simmons rims, big brakes + 4 pot calipers up front and some decent suspension.
I'll be trying to stick to the 250kW limit, as I don't want to do the works inside of the engine. The car is meant to be a fun driver, and have the odd adventure at Mallala and Collingrove
Cheers
Michael B
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