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  1. #1
    mac_man_luke's Avatar
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    Impeller recommendation / Expected speed

    Hello all

    Currently my stock 08 GTX LTD will run 66mph.

    Soon im going to be installing an xcharger, injectors, 4 inch air and impeller to suit.

    What speed should i get from this? will i break 70?

    Also which pitch prop would be a good start?

    Plans further down the track include intercooler upgrade, retainers and an ecu reflash.

    thanks
    Luke


  2. #2
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    A friend of mine has the same ski.He runs an x charger riva ecu 50s 4 inch retainers and x intercooler.He has a skat 13/18 and he loves it!

  3. #3
    mac_man_luke's Avatar
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    Do you know what speed he manages?

  4. #4
    monaroman76's Avatar
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    Where abouts in SA are you Luke?
    Yer i would think you would be somewhere around 70

  5. #5
    mac_man_luke's Avatar
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    Im in Adelaide, generally ride out of Garden Island or Murray Bridge

  6. #6
    Assuming you've done the other hull/handling freebies...the set up you're thinkin about with a 15/20 should put you at or near 74.

  7. #7
    mac_man_luke's Avatar
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    What freebies would they be? grinding the rear of the intake grate level and plugging ride plate holes?

  8. #8
    HORSEPOWER JUNKIE 9secZO6's Avatar
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    Do the intercooler when u do the charger and inj......u will pass 70 right up. 15/20r

  9. #9
    mac_man_luke's Avatar
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    I wanted to avoid doing the intercooler at the same time as the charger because id prefer to spread the cost out.

    If i go intercooler it also need: exhaust (either free flow pipe or rear air + opas block offs), rrfpr or ecu reflash (which would mean doing retainers) etc

  10. #10
    mikelytle1077's Avatar
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    i just hit 70.2 at 8150rpms with the mods in my sig. it was 102 deg with 30% humidity im only getting 9.1-9.3 lbs of boost. hoping to pick up another 1-2mphs with the riva wedge i have yet to install

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