Area Representative marcos59 Posted April 19, 2007 Area Representative Share Posted April 19, 2007 3? 4? 5? On my 1.8 I have 3 of them. Car is painfull on road but very good on track. I have read that most of yours have 4 or 5 of them. Please could you tell me more ? How do it work ? Does it make diffrence on middle range revs ? Is it possible to drill them myself (where?diameter?) who is abble to do it? (webcon?) Thanks ! 😶🌫️ Link to comment Share on other sites More sharing options...
Peter T Posted April 19, 2007 Share Posted April 19, 2007 Could i have a bit more info please? DCOE size, choke size, air corrector/ idle/main jet and engine tune? This would help a lot before you assume that the problem lies with the progression holes. R500 260 BHP Mango Madness CAR NO-37 Link to comment Share on other sites More sharing options...
STEVE GILBERT Posted April 20, 2007 Share Posted April 20, 2007 Do a search on 'progression Holes' It's all been done before Steve See My Caterham Fireblade Here. Link to comment Share on other sites More sharing options...
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