fine tuning the L67 toronado trofeo - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-06-2007, 12:11 AM   #21
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Quote:
Originally Posted by superchargedtrofeo
yes i just havent got it yet or a chance to play with it
does it work just like they say??

above 100 to richen
below 100 to lean

thanks
Yep.
If you have the 2.x version put it in advanced mode and you can have 13 points of adjustability.
I was able to get my L36 to run and drive ok with 36# injectors with it but the shifts were a little off. A gmtuners chip got me much closer.
I also had it in my car for over 2 years without 1 problem and I know others that also had no trouble with it.
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Old 03-07-2007, 03:56 PM   #22
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Thanks
ya i know a couple of people that have 42.5 lb injectors and even a guy that has 50 lb/hr injectors in their cars and have no problems what so ever. just because the injector is rated at a certain flow that doesnt mean it going to be putting that into the motor all the time thats what trims are!!
it just has the ABILITY to flow that if and when needed, when i scanned my toro with the stock injectors at idle and when i scan it now the 36 lb hr injector PW is lower but thats what you want and when i scanned it at WOT wiht the stockers they were well over the 85% duty cycle, making then get hot and running the car lean, because they could not keep up, now when i scan im at like 60% duty cycle, the injectors are working at a range right where like it, they dont get hot and the computer still has good controll over them.
have you setup your afc 2.x with a curve or do you use it in standard mode??
id be interested to know those #* so i have a baseline
thanks
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Old 03-07-2007, 05:50 PM   #23
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Definitely use advanced mode.
My numbers would be no good to you since I didn't have a S1L67 or a stock eprom.
You would obviously want them lower across the board and possibly not as low on the top end. Just play around with it and get the long term fuel trims to 128.
It dosen't look like your ecm is supported by tunercats and if not them then probably no other software is available. That is something to look into though if you haven't already.
If your not going to get the OBD 1.5 ecm, you could probably get your fuel trims pretty good with the afc 2.x. I was definitely able to do that. And you could pull some ignition timing by messing with the AIT sensor via a potentiometer too.
Just putting that out there. It'* not the best option but it'* still an option. It wouldn't be the best tune but it would be close.
J Wikoff has had afc failures and trouble getting them to work on his 92. I, as stated, had no problems for over 2 years and many others on ClubGP haven't had any issues with them either.
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