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Thread: Another option for $0D efan control

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  1. #1
    Fuel Injected! PJG1173's Avatar
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    If I switch to $0D will the PWM converter lockup be a problem since I have the older transmission with the non PWM solenoid, or is there a setting I can change for it?
    87 4Runner, 15" spring lift, 3" body, chevy vortec 355, 5.29 gears, 38.5x15.5x15" Boggers, 280hr, 16168625 running $0D
    93 S10, 36x12.5x15 TSL's, custom turbo headers, 266HR cam, p&p vortec heads, $0D Marine MPFI with 8psi boost.
    05 Silverado, 2' lift, 4" exhaust, Bully Dog programmer,

  2. #2
    Fuel Injected! PJG1173's Avatar
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    never mind I see how to disable it. I'm looking at a bin from 94 and there are still subtle differences between the two. the line pressures for the 4l60e are alot higher in the 2 bins I've looked at so far. should I use the line pressures from my bin or the ones from 94, or does it really matter? my trans has been rebuilt and my transmission guy said we increased the line pressure mechanically so there should be no need to mess with it in the tune. if all goes well I might be able to start wiring the fans in this weekend and see how this goes.
    87 4Runner, 15" spring lift, 3" body, chevy vortec 355, 5.29 gears, 38.5x15.5x15" Boggers, 280hr, 16168625 running $0D
    93 S10, 36x12.5x15 TSL's, custom turbo headers, 266HR cam, p&p vortec heads, $0D Marine MPFI with 8psi boost.
    05 Silverado, 2' lift, 4" exhaust, Bully Dog programmer,

  3. #3
    Vintage Methane Ejector
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    I say if you like what you have now then use that line pressure, but don't mix and match the different trans setting, I tried that once and it didn't work so well. If you can, try to find a $0D bin thats close to yours.

  4. #4
    RIP EagleMark's Avatar
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    I agree and have done the same thing. Ended up with a hot tranny cuase at highway cruise speed it was shifting back and forth from 3 to 4th gear and didn;t even feel it.

    One good option is to 0 all shift times. Firms up shifts and drop tranny temps.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  5. #5
    Fuel Injected! PJG1173's Avatar
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    thats what I kind of figured. the bin I found had very little difference from mine, I've copied or verified all the settings from my current bin to it. IDK how well changing the shift times will work for my transmission since its been modified to shift hard as it is. even going into 4th will give the truck a jolt on the hwy. now I need to find some solid state relays.
    87 4Runner, 15" spring lift, 3" body, chevy vortec 355, 5.29 gears, 38.5x15.5x15" Boggers, 280hr, 16168625 running $0D
    93 S10, 36x12.5x15 TSL's, custom turbo headers, 266HR cam, p&p vortec heads, $0D Marine MPFI with 8psi boost.
    05 Silverado, 2' lift, 4" exhaust, Bully Dog programmer,

  6. #6
    RIP EagleMark's Avatar
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    If it's already modified I would leave them alone, you have nice firm shift points already.

    My Buick Roadmaster Wagon has an LT1 and 4l60E and I took a Cadillac RPO option V4P bin which was towing option. Had many changes, I tried to do ones I thought important and ended up with the 3-4-3-4-3-4-3-4 constant shifting on highway and noticed trans temp rising so headed home and even got a trans temp error code, trans temp dropped when in town. So I used the entire bin and made my engine tune changes. What a difference in driving felt more performance or at least like a truck. Will spin tire when shifts to second on wet road.

    Then looked at Camaro or Transam that had a switch/button to push for performance shifting. Noticed my bin had that option but switch not wired into car. That table was all 0s, so I changed my regular trans shift times to all 0s. Nice firm shift points. Stock it was like one long slush gear and had no feeling whatsoever. Just what a Buick Roadmaster was designed for... yuk! Tranny temps dropped by 10 to 20 degrees, 20 in town and 10 on highway.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  7. #7
    Fuel Injected! one92rs's Avatar
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    now would this code be able to run this relay set up for a set of dual fans in a camaro from a 427 ecm. i understand that the power wires would need to be either ground or hot which is no problem. if i remember correctly it turns both fans on low for the first stage of temp. then on high if needed. i dont have a/c.


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