c5 flex fuel questions
11-14-2016, 06:01 PM
#66
HP has a new version out, got a email today. Thanks for all of this helpful info guys! If anyone can post a tune up for a 3bar that has the timing setup for boost with the FF I would appreciate it. I will be doing mine soon, and am a little unsure of all of these settings, and will be tuning it myself.
11-17-2016, 08:50 PM
#70
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Winter Mod list....I love that. This is our racing season! (At least the un-sanctioned kind). Weather is in the mid 70's during the day, low 60's at night. In the dead of winter, we will see bone chilling cold of low 40's, just terrible.
12-29-2016, 06:15 PM
#72
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My question is regarding pinout changes fro red/blue to blue/green. From what I can tell it looks like there are some differences in O2 sensor wiring. Does anyone have a link, document, or something easy to follow for the pcm pin out changes? I bought a green pcm interface off eBay to move the wiring into. I've been reading this link and seems I need to do the reverse of this?
http://lt1swap.com/cable_conversion.htm
12-30-2016, 12:14 AM
#73
I am doing the same swap from 0411 pcm to the p59. I have the 6243 pcm part number from an 04 express van. Looks like it doesn't have 3 bar sd tune. So like I read elsewhere I'm going to put an 05 avalanche tune in it to go 3 bar for my LSA supercharger. I'm needing this pcm essentially for flex fuel which looks like it will be easy to add the sensor after the pcm is functional.
My question is regarding pinout changes fro red/blue to blue/green. From what I can tell it looks like there are some differences in O2 sensor wiring. Does anyone have a link, document, or something easy to follow for the pcm pin out changes? I bought a green pcm interface off eBay to move the wiring into. I've been reading this link and seems I need to do the reverse of this?
http://lt1swap.com/cable_conversion.htm
My question is regarding pinout changes fro red/blue to blue/green. From what I can tell it looks like there are some differences in O2 sensor wiring. Does anyone have a link, document, or something easy to follow for the pcm pin out changes? I bought a green pcm interface off eBay to move the wiring into. I've been reading this link and seems I need to do the reverse of this?
http://lt1swap.com/cable_conversion.htm
you need to swap the "plastic tab" on the connector since the green and blue plastic tab has a different slot so it can slide in the pcm, you can easily remove it with a small eyeglass screwdriver, flathead preferred.
As for as o2 wiring, yes, you have to do small changes to the wiring for the OPS, and the o2 sensors work if i remember correctly. I dont really care about the o2s or the OPS since i got rid of them and run OL all the time, and have a mechanical gauge to replace the OPS.
but all of the info you need to know is in that link.
Your car will run, start up and drive fine without doing ANY changes to your harness tbh. You just need to tune some stuff out, but thats for your tuner to handle.
12-30-2016, 10:25 AM
#74
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May I humbly request a MOD create a sticky thread for flex fuel and put this thread and the F-body flex fuel thread in there? I can only imagine the number of times people will search for these things, and there is so much good info in here.
And maybe reduce Subeone's PM load a smidge?
And maybe reduce Subeone's PM load a smidge?
01-11-2017, 12:31 PM
#80
Truck Doug there is a switch in the tune that enables the tps and iac. Just disable the Dbw. It's called etc. Change the 1 to a zero so the etc/Dbw is disabled and that enables the tps and iac. I am gathering knowledge on this to try and implement flex fuel on my setups.