Dancing Fish 0 Posted August 13, 2004 Hello All, If you actually want to know something about how engines work and why the upgrades you make do or dont make your car better read on........... http://www.tomstickland.co.uk/astra/mk2astra.htm I realise it will not be conclusive, but there are some interesting points, particularly the results on k&n filters. Happy reading DF. Quote Share this post Link to post Share on other sites
dan 0 Posted August 13, 2004 Interesting indeed... I've read some of it but I'm tired now (Friday evening) so I've added it to my favorites :) Quote Share this post Link to post Share on other sites