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Thread: Can the Learn temp be lowered?

  1. #11
    Join Date
    Dec 2009
    Location
    Connecticut
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    19,280

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    Is the Coolant Temperature Enrichment % & A/F Ratio Offset tables at 100% & zero, from 140°F on?
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  2. #12

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    Yes. Just had the SD card in the computer to double check.

  3. #13

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    Go and raise your Learned Compensation Limits to 130% and it will start Learning at a lower temp.

  4. #14

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    OK, I'll try that. Can that be done on the handheld or in the EFI software?

  5. #15

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    Handheld, under Advanced Tuning. I had to change mine due to the location of my sensor.

  6. #16
    Join Date
    Dec 2009
    Location
    Connecticut
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    19,280

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    Quote Originally Posted by Tspears View Post
    Go and raise your Learned Compensation Limits to 130% and it will start Learning at a lower temp.
    The Learned Compensation Limits % don't determine when the ECU starts Learning. It's how much % the Learn Table can modify the Base Fuel Table.
    http://documents.holley.com/techlibrary_199r11259.pdf (Sniper EFI Instruction Manual - "Learned Compensation Limits %", Pages 8 & 9)
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  7. #17

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    While playing with the A/F enrichment table, I noticed it can be 0.0 or -0.0. Does that have anything to do with anything? I'm at 0.0 entering Learn at 160°F still.

  8. #18
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    19,280

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    Quote Originally Posted by 66ss View Post
    ...I noticed it can be 0.0 or -0.0. Does that have anything to do with anything?
    It doesn't on every other Holley EFI system, so I doubt it.
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  9. #19

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    So I started the car in the garage and let it get to 140°, and on the handheld it shows the coolant enrichment is 100.2. I have it set in the software to 100.0. Now from what I gather from Danny's knowledgeable posts, it needs to be 100 to enter Learn. I would think 100.2 would keep it out of Learn, but why doesn't it match what's set in the handheld?

  10. #20

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    So I spoke to a Holley tech today and they told me the Learn temp can not be lowered from 160°. Although what Danny told me is correct in the EFI software, the tech told me the computer won't move off the 160° Learn.

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