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  1. #2111
    Senior Member Mirek's Avatar
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    I thought that the main issue with the stock Mini block (same with PSA R5 cars) was that it was a long-stroke 1.6 engine which means that the cylinders are very narrow and You can't fit large valves inside. Others mostly use blocks from larger capacity stock engines for R5 cars and shorten the stroke (M-Sport and Hyundai 2.0, Škoda 1.8).
    Stupid is as stupid does. Forrest Gump

  2. #2112
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    Quote Originally Posted by AMSS View Post
    Besides these also weight reduction and slight center of gravity advantages can be obtained by custom blocks
    of course,as bigger main caps for crankshaft,stronger between cylinders to cope with the extra pressure and plenty other things that maybe be small but makes the difference.

  3. Likes: AMSS (7th April 2018)
  4. #2113
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    Quote Originally Posted by Zeakiwi View Post
    I guess WRC cars still use the road car engine blocks -
    as far as I know at this point nobody is using a production based road car block or of course crank...Ford Fiesta 1600 has a bore of 79mm and tiny little 30mm intake--25mm exhaust valves...VW 1,6 petrol is 76.5mm I think...ACK!
    The hell old VW 2,0 ABA F2 cars had 82,5mm bore stock and VW homolgated those things with 84mm bore,..

    To make power you have to have rooms for intake valve--and to have room for valves you have to have room in the bores...
    I think everybody;s engines are now "strart from clean sheet of paper" blocks and I think everybody is at 84mm bore because you can shove in 2 x 34mm intake valves in a bore that size...
    Gotta have the valve area for power, so you have to have the bore to get the valve size.
    John Vanlandingham
    Sleezattle WA, USA
    Vive le Prole-le-ralliat

  5. #2114
    Senior Member Fast Eddie WRC's Avatar
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  6. #2115
    Objective observer stefanvv's Avatar
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    Poor Neuville
    "With that car, your brain can actually never keep up"
    https://www.youtube.com/watch?v=_4IRMYuE1hI

  7. #2116
    Senior Member Mintexmemory's Avatar
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    Quote Originally Posted by stefanvv View Post
    Poor Neuville
    Crying all the way to the bank!
    Kris Meeke got fired -PSG so terrified they quit!

  8. #2117
    Senior Member Fast Eddie WRC's Avatar
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    3 wins out of 4 in 2018 (and probably would've won Sweden but for snow-ploughing).

    Ogier is showing how good he really is now he's are settled in to the Team and the Fiesta is developed and set-up to his liking.

  9. #2118
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    Don`t overhype him, the championship has more drivers capable of winning than ever (well, atleast 1600cm3 generations of cars). Sweden would probably have been Toyota`s party, if not for snow-ploughing

    Great driver ofc.
    Last edited by Tarmop; 10th April 2018 at 12:32.

  10. Likes: steve.mandzij (11th April 2018)
  11. #2119
    Senior Member Fast Eddie WRC's Avatar
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    5x Champion and his win against all odds last Season... he needs no hype.

    If all had the same road conditions I would bet on Ogier to win in Sweden.

  12. #2120
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    Let's put the tinted sunglasses on.
    Never stop dreaming because one day it might happen.

  13. Likes: steve.mandzij (11th April 2018)

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