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  1. 08 c6 alternator output switched to fitted and enabled. here's what I found scope

    so looking into alternators for the c6 and it seems to be a weird hybrid only used on c6's, it has 3 wires, L is the turn on lead, seems to be 5v. the F is the alt internal duty cycle sent back to...
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    just to follow up if anyone finds this looking to...

    just to follow up if anyone finds this looking to put the c7 fan on the c6 e38 ecm. the fan % doesn't work like you'd logically think.. it didn't hit me till I put 40% across the board in all the...
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    I had read that link like 4 times and it just...

    I had read that link like 4 times and it just didn't match what I was seeing. not till I put all 40% in every box and the fan % stayed 0 and didn't come on did it hit me. the ecm is really only meant...
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    got it up and running. first drive, it cools the...

    got it up and running. first drive, it cools the car very quickly when it's on. definitely a nice upgrade and seems to follow the % requested in the scanner.

    any one have info on the e38 c6 ecm...
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    08 corvette fan logic?

    so I'm struggling with the logic of this os.
    so pwm fan is designed to come on from 15% to 90%.

    I go to the lowest setting box, like 191 or whatever it is, set it to say 30% (I've tried Lower...
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    08 corvette fan logic?

    so I'm struggling with the logic of this os.
    so pwm fan is designed to come on from 15% to 90%.

    I go to the lowest setting box, like 191 or whatever it is, set it to say 30% (I've tried Lower...
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    just because I couldn't find any pics when...

    just because I couldn't find any pics when searching around. here's my mock up of a c7 fan on a c6 radiator. it doesn't cover completely but compared to the stock half shroud, I think it covers well....
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    different guy in the thread.. sorry about that.

    different guy in the thread.. sorry about that.
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    I understand that just thought this would back...

    I understand that just thought this would back that up as it shows the stock fans vs the aftermarket ones. I'm all for using oem stuff when we can. it slow shows a Bosch truck fan is negative would...
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    sounds like you guys have it sorted, I found this...

    sounds like you guys have it sorted, I found this a while back.

    I have ordered a c7 fan to see if I can mount it on c6 radiator. if not, ill make it fit something lol.

    just as a side note,...
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    have you checked the timing in different driving...

    have you checked the timing in different driving modes?

    my 08 sure looks like it pulls timing different based on what driving mode it's in
  12. it's bucks like crazy at 70mph cruises and just...

    it's bucks like crazy at 70mph cruises and just feels over all mushy and flat. when I first started I did do the fail map and then fail maf and tuned both, re-enabled everything and found the bucking...
  13. its basically a stock file with maf failed and...

    its basically a stock file with maf failed and most stuff besides stft off, so i can get ready to tune, but left stft on for now for the cats while i search for this first start thing.

    since its a...
  14. I will as soon as I get back to the laptop

    I will as soon as I get back to the laptop
  15. does gen4 have an after start enrichment table?

    I can't seem to find one all I see is airflow. searched and I see something called olf something that I'm guessing is a target a/f table but not sure that's what I need either since the target looks...
  16. just to follow up, going from 200 to 300 plus...

    just to follow up, going from 200 to 300 plus doing the delay to 0 from 1 and it's perfect now. looks like it could use some more tip in ae from watching the wb but you can't really feel it driving....
  17. are you talking about ETC area scaler? mine is...

    are you talking about ETC area scaler? mine is step to 4,725.000 stock.

    my max fail is 200 already and min fail 5. should I go up to say 260 and try that?

    thanks
  18. I haven't messed with airflow settings at all,...

    I haven't messed with airflow settings at all, since this is basically a stock car, which I forgot and left out of the first post, only thing it has is a air box and a slightly freer flowing exhaust,...
  19. yeah, it definitely does it when cranked the...

    yeah, it definitely does it when cranked the worst but also has low idle randomly, not always and you can't really tell unless you're looking at the tach, mostly just the ps gets stiffer at all the...
  20. I'll check that tonight. I did catch a thread or...

    I'll check that tonight. I did catch a thread or 2 about that but since I has a random stumble while coming back down clutched to a stop, I kinda disregard it. but I'll try it out. maybe it some how....
  21. 08 corvette e38 ecm maf disabled causes stumble after start.

    as the title says, when I fail my maf to tune map, it cranks and starts normally, does the rpm flair but then stumbles and almost dies. it mostly does OK after that, but sometimes clutch in coming to...
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    that's definitely worth asking, I thought most of...

    that's definitely worth asking, I thought most of these USA trucks are made in Canada or Mexico, I can't remember. I doubt you'll find your answer in the forums. I don't think they watch these to...
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    do you have hp tuners already? if so just plug it...

    do you have hp tuners already? if so just plug it in and try to download the file. if not, I'm not sure. maybe email the techs with the ecm box code and ask. but if it's under their list, I would...
  24. probably can't tell much from a pic of the...

    probably can't tell much from a pic of the diagram but the BCM (top right) only picks up the system voltage from fuse 15 and puts that voltage over the serial data line to the ecm. the ecm is what...
  25. on a 08 c6 I tried changing to fitted and enabled...

    on a 08 c6 I tried changing to fitted and enabled and the alt wouldn't charge at all. so I put it back and messed with some some of the voltage values in the boost settings and nothing I did seems to...
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