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Thread: Can I convert to flex fuel?

  1. #11
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    Can you look at my tune to see what im missing

  2. #12
    Senior Member JUSTASBC's Avatar
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    Sure. Email it to me if you want. Dwrobb99@yahoo.com
    05 Joe Gibbs black RCSB ram air hood, Leer tonneau, blacked out tail and head lights. Forged 370, Eagle crank, Wiseco pistons, Compstar Rods, Pro Flo XT intake, KB Racing log, spool valve, T6 S480 1.32 A/R, boost activated cutout, TSP 2.5 5.3l heads, Comp Cam 224/230 .600 with rockers, comp cams 1.75 roller rockers, dual Walbro 450's, Injector Dynamics id1300's, 4l80e w/3200 multidisk Circle D, trutrac w/3.73's, 3"DI/DO Magnaflow, tips through the roll pan, running COS3 Semi OLSD OS#12592618

  3. #13
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    Quote Originally Posted by JUSTASBC View Post
    ... I did a segment swap of an E85 version ...
    Nicely done - as you discovered the Flex Fuel version of the same OS is very different.

  4. #14
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    So my pcm will read my sensor just need to do the swap?

  5. #15
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    Quote Originally Posted by danny68ss View Post
    Can you look at my tune to see what im missing
    Your original tune was not a Flex Fuel variant - so you are missing the Flex Fuel parameters (all of them).

    Changing the Flex Fuel parameters visible in EFILive is not sufficient to enable Flex Fuel calculations on a non-Flex Fuel calibration.

  6. #16
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    Ok just found a l59 with same os and did a segment swap engine calibrations is that what i needed

  7. #17
    Senior Member JUSTASBC's Avatar
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    That should work. I saw a flex fuel version for a Tahoe.
    05 Joe Gibbs black RCSB ram air hood, Leer tonneau, blacked out tail and head lights. Forged 370, Eagle crank, Wiseco pistons, Compstar Rods, Pro Flo XT intake, KB Racing log, spool valve, T6 S480 1.32 A/R, boost activated cutout, TSP 2.5 5.3l heads, Comp Cam 224/230 .600 with rockers, comp cams 1.75 roller rockers, dual Walbro 450's, Injector Dynamics id1300's, 4l80e w/3200 multidisk Circle D, trutrac w/3.73's, 3"DI/DO Magnaflow, tips through the roll pan, running COS3 Semi OLSD OS#12592618

  8. #18
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    Thats what i found too engine segment is what i need isn't it

  9. #19
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    Thanks it works now

  10. #20
    Joe (Moderator) joecar's Avatar
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    Good job

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