Defender Defender V8 Lexus queries





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  1. #11
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    Default Re: Defender V8 Lexus queries

    Quote Originally Posted by jelo View Post
    OK Assuming the following:

    5 Speed Transmission Ratios (A650E)
    First = 3.357
    Second=2.150
    Third= 1.424
    Fourth= 1
    Fifth= 0.753

    Cruising speed = 120km/h

    1.4 Transfer case

    Standard 235/85-16 tyres @ 32 inches

    Standard 3.54 diffs

    That means you are only into your torque peak @ 160km/h in 5th, @ 120km/h in 4th, @90km/h in 3rd, @ 60km/h in 2nd, and @ 35km/h in 1st

    So you can barely run into 5th gear.

    4.7 : 1 diff ratios will in fact be close to perfect: 3900rpm in 5th @ 120km/h, and you'll hit the 6000rpm rev limit at 160km/h.

    Ashcroft does have a selection of heavy duty CW&P options.

    http://www.ashcroft-transmissions.co...g-pinions.html
    Gary above also says he thinks the 4.7 is better than the 3.54's
    Luke aka Jedi

    1954 Landy Rover Series 1 86"- Rambling Rose
    Best company slogan: Cherrybomb performance exhaust, Disturbing the peace since 1968



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