Controlling stock auto

[ftruckn]

hey guys im switching to either a haltech or autronic and have a 1u + auto trans from sc400, and tranmission is conrtolled via ecu so wondering when i cange ecu, how do i controll transmission?

cheers

 

[hypronet]

HI ftruckn

Are you going to remove the factory ecu or are you going to piggyback it?
If you piggyback it, you left the factory ecu in an you will be still able to control the gearbox with it as the aftermarket ecu will just run the engine an if it has a problem, the system will default back to the factory ecu.

Or you can get a ecu for both the auto and engine and remove the factory ecu all together like i have done, you can get them with a base map setting to get you going an having access to a dyno will help quickly tune it too your own liking.


____________________________________
http://www.lextreme.com/forums/showthread.php?t=9814
[FONT=&quot]:sgrin:There is No substitute for cubic inch, except for BOOST !!!![/FONT]:sgrin::burnout:
"91 LS400" Argo rods, CP pistons 9:1, Custom Tighte Cams, Whipple supercharger 20psi, Torsen Lsd,
Dual TB's, Whiteline swapbars, 97 RZ Supra brakes, Airbag & controller

 

[sideshow]

y not get a wolf or some new late model aftermarket ecu that can do auto too
just do yr research as im not sur ehow good they are for autos

or buy a haltech for engine and another aftermnarket ecu for yr auto
they range from 500 to 1500 for them just for the auto

or buy a manual shift unit that works of yr inhibiotr wiring on the box
which ever gear the gearshift is in thats the gear u will have
there is no auto changing full manual shift using shifter
they are pretty cheap

how much do u want to spend
haltech is around 1300 to 1500
autronic is 1700 to 2400 depending on model
wolf 500 is 2100
auto ecu is say 700 to 800

 

[stevechumo]

I think the easiest and cheapest way is to run the stock SC400 ECU to control the stock SC400 auto tranny. Then you can run a piggyback ECU to control other fuel or maybe with ignition.

 

[greybeard]

y not get a wolf ...

I made enquiries to wolf about getting a v500 to run engine+trans. They didn't bother getting back to me. So either they can't actually do it (trans control) or the customer service is sh1t or both. So wolf was crossed off my shopping list.
I have a PCS tcu waiting to be intalled when the lpg is done.

 

[sideshow]

personally i hate wolf to but i heard they do auto too
I guess its all bull
Psc are good

 

[ftruckn]

replacing with autronic sm4 or haltech platnium 2000 so no stock ecu,

im very interested in these fully manualised kits anyone have a link?

thanks guys

 

[hypronet]

From what i have researched, none off the aftermarket ecu controlls both the engine and gearbox, its just all talk so far.

You can modify a VT commerdore delco ecu to run the engine and gearbox, but there are some mods that needs to be done to the engine for it too work, and then you can have the delco setup with dual mapping (street/drag).

Personal i have gone for a standalone ems8860 ecu for the engine, and a pcm (stickshift) ecu to control the gearbox.
____________________________________
http://www.lextreme.com/forums/showthread.php?t=9814
[FONT=&quot]:sgrin:There is No substitute for cubic inch, except for BOOST !!!![/FONT]:sgrin::burnout:
"91 LS400" Argo rods, CP pistons 9:1, Custom Tighte Cams, Whipple supercharger 20psi, Torsen Lsd,
Dual TB's, Whiteline swapbars, 97 RZ Supra brakes, Airbag & controller

 

[greybeard]

replacing with autronic sm4 or haltech platnium 2000 so no stock ecu,

im very interested in these fully manualised kits anyone have a link?

thanks guys

PCS can switch between full auto & manual shifting on the fly

 

[ftruckn]

kool im running a B&M megashifter aswell if that makes a difference, can you just get a new manualised valve body and ditch the electronics?

 

[sideshow]

probabbly but yr best of talking to an auto specialist
std auto needs bpoth hydraulics and electrics to get all gears

 

[hypronet]

i had sent my box to mv auto over in SA, they done a semi manual kit with hd clutchs on my box and included a 3200 rpm stallie.

when in drive, it behaves like a normal box but has a quicker gear change in it, then you have the option off running it like a manual too 1,2,3 then OD

I am using a B&M rachet shifter with this setup.

Sorry to say, NO you cant bypass the electronics off the box, its part of the gear selection process off the gearbox
____________________________________
http://www.lextreme.com/forums/showthread.php?t=9814
[FONT=&quot]:sgrin:There is No substitute for cubic inch, except for BOOST !!!![/FONT]:sgrin::burnout:
"91 LS400" Argo rods, CP pistons 9:1, Custom Tighte Cams, Whipple supercharger 20psi, Torsen Lsd,
Dual TB's, Whiteline swapbars, 97 RZ Supra brakes, Airbag & controller

 

[ftruckn]

kool, what did that cost if you dont mind me asking? im trying to toss up cost with stock auto or ditchin for the CRS TH400 adapter and running one.

 

[hypronet]

Cost will depend on
1. what model off gearbox you have, as there is about 5 versions off 4 speeds that came out in the lexus.
2. what you get done too it

i have a 30-41LE which cost a little bit more as it has a 2 stage trans lockup in it, but this box is good for 900hp as rated by MV Auto.

____________________________________
http://www.lextreme.com/forums/showthread.php?t=9814
[FONT=&quot]:sgrin:There is No substitute for cubic inch, except for BOOST !!!![/FONT]:sgrin::burnout:
"91 LS400" Argo rods, CP pistons 9:1, Custom Tighte Cams, Whipple supercharger 20psi, Torsen Lsd,
Dual TB's, Whiteline swapbars, 97 RZ Supra brakes, Airbag & controller
[FONT=&quot][/FONT]

 

[1uzfekp60]

i have a 30-41LE which cost a little bit more as it has a 2 stage trans lockup in it, but this box is good for 900hp as rated by MV Auto.

Is it just your box rated at 900hp or all 30-41LE's??

Ken.

 

[hypronet]

It depends on how you set the box up, too what it can handle.

i have gotten, h/d clutches, and had the solinodes and valves modified for this gearbox.

MV Auto in South Australia where the people that had done my gearbox, best to speek to them.


____________________________________
http://www.lextreme.com/forums/showthread.php?t=9814
[FONT=&quot]:sgrin:There is No substitute for cubic inch, except for BOOST !!!![/FONT]:sgrin::burnout:
"91 LS400" Argo rods, CP pistons 9:1, Custom Tighte Cams, Whipple supercharger 20psi, Torsen Lsd,
Dual TB's, Whiteline swapbars, 97 RZ Supra brakes, Airbag & controller

 

[sideshow]

hey ftrucking
i just sent absaic auto shift unit to guy in perth

this plugs into his auto
and will select the gear that yr shifter is in
so if yr shifter is in 1st u get 1st 2nd u get 2nd d u get 3rd and press yr over dirve button and u get overdrive

very basic setup and its just afew wires to connect under dash to get to work

 

[ftruckn]

i would be very interested in a unit like this, do you make them? and no auto trans eu required just this unit?

thanks

 

[sideshow]

yes i make them

do u have any wiring for the auto
as i need the plugs for yr auto and i wire them up to my setup

u dont need any auto ecu

all u need is the factory inhibitor setup on side of auto
my unit wil lplug into yr inhibitor and the solenoid plug

then there is 5 or so wires to hook up under dash where it sits

email me on

[email protected]

if yr interested

thanks

jim

 

[spf_lexus]

Hey Hypronet... noticed you swapped out the stock ls400 shifter. How easy was it to hook up? I always thought a B&M pistol grip shifter would be badass. Wiring up Adaptronic full standalone in a week or so, anyone know if these units easily run auto-trans? I too want stock ECU for trans and standalone for engine, unless i can tune some quicker shifts out of it through tuning?