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  1. #1

    How far can i drive without tune after 21% OD Pulley, 850cc injectors and Harrop CAI

    Ok so i have the info on the exhust, next is the following

    18 or 21% OD pulley (and coupler)
    850-1000cc injectors
    Harrop CAI,
    160 degree thermostat

    I prefer to DYI and get a tow truck if need be but might not be worth it when you can get the above in a package installed with tune etc

    Again the tuner is about 50kms drive

    I know the CAI should be fine but the pulley size increase and larger injectors?

  2. #2
    Join Date
    Feb 2014
    You can’t drive on different injectors and with that overdrive you will need to rectify the loss of fuel pressure

    2014 HSV VF GTS
    2017 HSV GTSR
    Australia's Fastest 6.2L 1900 LSA VF GTS with a Stock Bottom End
    9.700 @143.14mph 17/July/2017
    V-Box Results 0-100km/h in 2.47sec

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