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Location:
Lost in the K hole
Registered:
May 2002
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Apex'i S-AFC and 7M-GE AFM ??
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Thu, 25 December 2003 03:19
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looking through the apex'i manual, the 7MGE is not listed in the application giude... *wonders why*
anyway, other toyota AFM sensor-ed engines are listed, and im guessing that the AFM's from other toyota engines are basically identical in function and output, and thus, given a bit of inginuity, i was thinking that it shouldnt be too hard to get an SAFC to work on a 7m ??
anyone have any thoughts?
cheers
ed
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Location:
Brisbane
Registered:
November 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Thu, 25 December 2003 05:31
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Not being a commonly modified engine, I'd say they didn't go to the trouble. If I was a betting man my money would be on the fact that the 7MGE would run without a hitch. There will be some wiring work involved though.
I would suggest it won't be too hard, though in my experience the 7MGE (early one at least) had distinctly different wiring colouration to 7MGTEs.
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Location:
Mildura
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Thu, 25 December 2003 05:47
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Easy
Use the pinout for the GTE but they are in different posistions on the GE ECU plug.
As for switch selections use the 1G-GE settings.
I was talking to another bloke one day and he used the 3S-GTE switch settings.
The only difference between them is the car select switch which is 2 for the 3S and 3 for the 1G.
marty
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Thu, 25 December 2003 07:38
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As an aside Ed, I stumbled across some (very basic) specs of a GroupA 7MGE. It had a whopping 11.3:1 comp ratio and put out about 260 hp. Group A didn't allow head porting or plenum changes, but cams were free.
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Thu, 25 December 2003 11:52
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jeeze, thats not much 
damnit - this engine is shitting me... i think im running in limp mode. have 4 error codes flashing at me now, 2 for the TPS, one for the speed sensor input (doesnt have one?) and one for the starter> eh?
have to check em again tomorrow, and see if i can trouble shoot them some more.
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Location:
North Sydney
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Thu, 25 December 2003 21:26
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The reason i can see it not working on a 7mgte is because the AFM is the karmon vortex type, unlike any other. "Apparently" it gives a frequency output to the ECU instead of the regular voltage 0-5dc.
For this reason it cant read in the frequency, modify its amplitude or occurance(whichever it uses) and retransmit it to the ECU. That would cost big dollars to make.
Without the speed sensor input you'll have many issues, appearing and disappearing. Go an aftermarket ECU and sleep well 
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 04:52
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| TD42T wrote on Thu, 25 December 2003 16:47 |
As for switch selections use the 1G-GE settings. I was talking to another bloke one day and he used the 3S-GTE switch settings. The only difference between them is the car select switch which is 2 for the 3S and 3 for the 1G.
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hey marty, any more details on this? i find it curious that BOTH the 1g and 3s settings would work. but ill take your word for it. any anecdotes on how well these things are working on the 7m's?
cheers
ed
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Location:
Brisbane
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:05
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One word for you: Haltech. Yes I know you're on a shoestring budget, but you can have it up and running for $1700 and all your worries are over. Long-term I don't think you have much of a choice...
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Registered:
August 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:06
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hehe he needs something 
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:07
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fuckin oath 
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:08
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but it did sound good up to 4000rpm
(pity thats where it comes on song for real)
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Registered:
August 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:10
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haha my AFR looks like \_/-\_
what the...
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:11
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curious glen, what were your kw figures at 3000, 3500, and 4000rpm??
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:12
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rather, make that 90, 105 and 120km/h
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Registered:
August 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:12
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errr id have to figure it out from kays per hours?
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Registered:
August 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 05:15
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90 = 64kw
105 = 76kw
120 = 96kw
right on 120kmh is where mine flatens till about 126 before it spikes upwards again
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Location:
Lost in the K hole
Registered:
May 2002
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 10:20
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| BlackSupra wrote on Sun, 18 January 2004 16:15 |
90 = 64kw
105 = 76kw
120 = 96kw
right on 120kmh is where mine flatens till about 126 before it spikes upwards again
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youre lucky your graph goes past 120
me:
90 = 76kw
105 = 91kw
120 = (goes all goofy @ 110)
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Location:
sydney
Registered:
March 2003
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 11:45
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for now fuk the safc off by bypassing the air flow wire
fix the errors on the std ecu
then run it abit see if it goes ok then plug the safc back in
atleast that way u will make sure the safc is noty interfering
fix what u know first
so check the errors slowly solve them one by one
otherwise u will go round in circles
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 12:02
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no no...
i dont have an safc installed.
ive got some bizzaro shit going on with how the stock ecu is managing the engine.
ive sorted out all the ecu errors, all the sensors are set and functioning correctly (excpet the TPS/ECU is obviously not calibrated to the increased t/b size very well).
for some odd reason, even at WOT (which removes the TPS calibration from concern), there is this bizzaro hole in power delivery from 3.5k-4k rpm. apparently it also starts detonating in this rpm band.
once she hits 4000rpm (exactly) though, the engine kicks into life again, power increases Significantly, and shes away.
i originally thought this might be a TPS calibration thing, or due to some transition from closed to open loop, but looking at the AFR curve on the dyno sheet... she is already in open loop the whole time, with afr's steadily decreasing from 14.4 smoothly down to 12.4. there is NOTHING odd with the afr reading during the 4k rpm transition...
why is she detonating at 3.5-4k rpm only?
where is this crazy pick up in power coming from without any AFR changes?
how do i fix it??
and if all can be answered and fixed for free, even better!
hehehe
ed
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Location:
Brisbane
Registered:
February 2003
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 13:31
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ed - is the TVIS running/installed? that's about when it would be enabled. (am not familiar with 7M-Gxx engine series so am assuming it - like my 1G - has TVIS)
the vacuume switch could be leaking to atmosphere? there's also a vacuume storage thing next to it and that too could be a source of excess air in the intake (so you go way too lean, starts to ping, power drops off, blah blah blah)
tho this would all manifest itself in any AFR readings ...
tried a different AFM?
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Apex'i S-AFC and 7M-GE AFM ??
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Sun, 18 January 2004 13:55
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yeah, it does have ACIS (plenum based induction harmonic valve), and that does come on around 4k rpm
i cant quite see how it should make it run like two different engines though (not the way it does anyway).
and yeah, a leak in that vac canister system would be reflected in altered afr readings... it seems the pinging is not related to lean mixtures perhaps cam timing/stock ecu map/some other shit...
again, i have NO idea wtf is going on anymore!
im about to post a new, more comprehensive thread, so lets resume there
cheers
ed
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Location:
Lost in the K hole
Registered:
May 2002
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