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Thread: What timing on pump 98 and 20psi? BF XR6T

  1. #1
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    What timing on pump 98 and 20psi? BF XR6T

    Evening everyone,

    Just curious as to what timing could theoretically be achieved running on pump 98 on 20psi? Just trying to work out if I'm asking too much of my setup?

    Will attach a log file, my timing seems a little jagged...


    Log1.hpl
    Ford Falcon BF XR6 turbo. Built bottom end, Wiseco forged pistons, SCAT rods, ARP bolts and studs, Billet oil pump gears, GT3582R high flowed with flapped mod and billet front wheel, 4 inch dump and cat, Proflow Intake manifold, Plazmaman 1000hp intercooler and piping, 1150cc injectors, Walbro 460, AEM wideband, HP Prolink, 3.45:1 LSD etc

    Happy on 22psi

  2. #2
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    6-8 degrees peak. 98 is poo.

  3. #3
    Yep whs but you may be able to get away with a few more degrees due to your lower than std static comp ratio.
    Are you logging knock retard?

  4. #4
    Quote Originally Posted by edfairmont4.0 View Post
    6-8 degrees peak. 98 is poo.
    Sad but true, 98 is all we get up this way.

  5. #5
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    I'm logging knock correction?

    Yeah 98 is all we have here, i have since changed intake manifolds to a Proflow one which has helped intake temps and throttle response. But 6-7 degrees is all i can get away with really, did get E85 and put in a month ago... i miss it dearly
    Ford Falcon BF XR6 turbo. Built bottom end, Wiseco forged pistons, SCAT rods, ARP bolts and studs, Billet oil pump gears, GT3582R high flowed with flapped mod and billet front wheel, 4 inch dump and cat, Proflow Intake manifold, Plazmaman 1000hp intercooler and piping, 1150cc injectors, Walbro 460, AEM wideband, HP Prolink, 3.45:1 LSD etc

    Happy on 22psi

  6. #6
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    I run 7 degree peak torque on 98 but thats at 15psi with a high comp engine. 20 psi wouldnt even work on 98 for me lol would be 3 degrees no power and melting pistons :P

  7. #7
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    What timing difference are people getting from 98 to E85 on the same boost levels?

  8. #8
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    Quote Originally Posted by richardpalinkas View Post
    What timing difference are people getting from 98 to E85 on the same boost levels?
    16-17 degrees total spark on 20PSI boost on E85, FG G6ET with GTX3582R. Made 511rwkw on mainline hub dyno.

  9. #9
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    Is that 16 in the mid going up to 17 in the higher revs?

  10. #10
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    Quote Originally Posted by richardpalinkas View Post
    Is that 16 in the mid going up to 17 in the higher revs?
    2000 2250 2500 3000 3500 4000 4500 5000 6000
    16 . 17 . 17 . 18 . 14 . 15 . 15 . 16.5 . 17

    This a load point 1.7 albeit 20psi boost with an lambda of 0.8.

  11. #11
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    Have you done headstuds with that timing?

  12. #12
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    Nope. Stock 2014 G6E Turbo. Did replace valve springs to handle the boost. Had other supporting mods such as GTX3582R, PW Stage 2 FMIC, 4" dump, 5" cat, twin 2.5" system, dual Pierburg 360l pumps & surge tank, 1000cc injectors. Did around 30,000kms with this setup, transmission was stock albeit tuned, but starting to slip the 3-4 shift. Returned the car back to stock and sold it.

    Most of the parts from the G6ET I'm having put in a 2013 TS SZ petrol Territory. I've had a FG engine built with upgraded internals for this vehicle.

  13. #13
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    Nice. Did you tune your own transmission? Just starting to look into the trans side of things now actually

  14. #14
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    Any chance you can pm me one of your files to have a bit of a look at?

  15. #15
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    Quote Originally Posted by richardpalinkas View Post
    Nice. Did you tune your own transmission? Just starting to look into the trans side of things now actually
    I can't claim I did, I did have someone tune it for me but I was able to take it from there and work out what was going on.

  16. #16
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    I've run pretty well that timing at 30PSI E85 built engine GTX4202 no issues.

    BF engine on 98 seem to be the most sensitive of all and take the least timing at beak torque.