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Location:
perth
Registered:
October 2004
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3tgte ecu for 2tgte and knock control Q
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Mon, 31 October 2005 06:42
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hey guys i was wondering if a 3tgte stock computer will run a 2tgte. it will basically be a stock 3tgte bottom end with forged pistons, running a 88262 2tgeu head and injection gear. will all the nescessary plugs on the 3tgte wiring harness fit the 2tgeu injection sockets? and is the knock control needed? this is all just to get the motor run in after the rebuild while im getting all the bits and pieces to run an aftermarket ecu. eg ignition setup. if anyones got a fuel and spark ecu and some sort of ignition system let me know. i could be interested.
i was also curious as to how the 3tgte computer stops detonation when the knock sensor detects it because it doesnt have ignition timing control. does it just richen the fueling?
cheers for any help guys.
craig
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Location:
Perth
Registered:
August 2003
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Re: 3tgte ecu for 2tgte and knock control Q
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Mon, 31 October 2005 07:17
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i dunno the answer to your question but if you dont use the knock computer i'll buy it 
and i think the knock computer changes the timing
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Location:
perth
Registered:
October 2004
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Re: 3tgte ecu for 2tgte and knock control Q
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Tue, 01 November 2005 04:04
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i cant see how it can because it runs a dizzy with boost retard (i think). if i cant run my engine on the stock computer, knock sensor etc ill have to go straight to aftermarket ( long delay) so then ill post the parts i dont need in the appropriate sale sections. 
any one with answers to my other questions??
cheers
craig
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Location:
perth
Registered:
October 2004
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Re: 3tgte ecu for 2tgte and knock control Q
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Thu, 03 November 2005 06:55
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bump, im sure someone knows something about this
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Location:
Pilbara
Registered:
November 2004
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Location:
perth
Registered:
October 2004
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Re: 3tgte ecu for 2tgte and knock control Q
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Fri, 04 November 2005 06:10
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what i ment by does not have ignition timing control was that the ecu or knock sensor didnt have any connection to the dizzy. does the dizzy mechanically retard the timing when it recieves a boost signal from the inlet manifold? then when the knock sensor detects knock it tells the fuel only ecu to richen the mixture?
is this right? i just cant see how a fuel only ecu can alter timing especially seeing as the engine utellises (spelling) a dizzy.
as for running like poo as you put it i dont understand why. is it to do with vacuum switches etc? if so would it be possible to mofify everything needed to run with the 2tgeu injection gear. it will be using 3tgte injectors of course.
id like to just get it running in near stock form so that i can get it nice and run in, and finish off the other bits and pieces im doing like brakes and susp.
so your saying a delco would be suitable for my engine? these any good? much support etc.
is richard wakeling the delco tuner you speak of?
and by the way theres no way id ever get rid of my levin. only if i die and then i rekon id give it to jesse tamsett cause he deserves it. (prolly more than me)haha 
cheers for the help too. it all makes it easier
cheers
craig
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Location:
Pilbara
Registered:
November 2004
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Location:
perth
Registered:
October 2004
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Re: 3tgte ecu for 2tgte and knock control Q
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Mon, 07 November 2005 06:53
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ok great cheers for your help bunkyt18.
is it possible to run 3tgte cams in a 2tgeu head? if so that could make it a little easier on the stock 3tgte ecu.
i might have a look at modifying the 3tgte dizzy internals to fit the 2tgeu body and shaft. i have a 3tc dizzy i can chop apart for the bits needed so i dont kill the 2tgeu dizzy. possibly the same way as "nickz" did it with the 20V cas --> 2tgeu dizzy body + shaft. this is prolly the way ill do it later down the track for aftermarket ecu and use a 20V cas.
will have a scope when i get back to perth to finally see the 3tgte this weekend.
if i have ne more questions ill post em
cheers
craig
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Location:
Pilbara
Registered:
November 2004
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Re: 3tgte ecu for 2tgte and knock control Q
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Mon, 07 November 2005 13:14
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Um I just was wondering if you are going turbo on this project? I just assumed you would be fitting the 3TGTEU turbo manifold setup. The whole knock control and detonation thing made me think turbo. If you aint then a 2TGEU ecu will be fine. If not then it should still work with 2TGEU cams and ECU cos you can dial em in, maybe also get a grind for turbo on em? 2TGEU dizzies must have some options for you cos they have been worked to the shithouse back in the day.
If turbo is the go then it's the old NA turbo conversion.
So
bigger injectors
intercooling
retard timing
Forged pistons
Stock ECU, cams =grind for turbo ideal but some fiddling with dialing em in could help. 2TGEU cams have cam wheel adjustment stock while 3TGTEU definitely dont, very expensive to find em too. Just FYI, 'performance' turbo cams have similar profiles to stock NA cams from similar motors eg SR20de to SR20det
There are other ways to detect detonation too, but put her on the dyno with low boost (6 psi) and you are away. Good results with throttle response remaining unchanged. Much better top end.
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