twinspinna Posted May 11, 2011 Report Share Posted May 11, 2011 i have a 5k in my ke30. just put a agressive cam, extractors and a 32/36 webber on it. electronic dizzy stock. after muchagony getting it started (dizzy 180 out) it will only run when foot to floor and even then it will only go to just above idle and sounds like shit. any tips on tuning carb and just tuning in general appreciated as I'm not that good at this.. cheers zane Quote Link to comment Share on other sites More sharing options...
Evan G Posted May 11, 2011 Report Share Posted May 11, 2011 as said in previous thread. check out the faq. heaps of tuning tips/jets to use etc etc Quote Link to comment Share on other sites More sharing options...
twinspinna Posted May 11, 2011 Author Report Share Posted May 11, 2011 had a look thru but couldnt find much..... Quote Link to comment Share on other sites More sharing options...
Evan G Posted May 11, 2011 Report Share Posted May 11, 2011 One of the easiest mods for these cars is to change the carby! A Weber 32/36 DGV is the most common aftermarket downdraft around. Usually you'll need to jet down a carburettor like this, unless someone has already done the work for you, or you have a fairly modified engine. For a 3K/4K, start at around: 130 mains 170 air jets 50 idle and take it from there. Basic tuning tips: If the car "stumbles" forward but revs eventually climb, you're running too rich. If the car just cuts and dies, you're running too lean. :rolls: Quote Link to comment Share on other sites More sharing options...
twinspinna Posted May 11, 2011 Author Report Share Posted May 11, 2011 (edited) how do i tune the mixtures on this carb?? oh and how do it jet the carb?? Edited May 11, 2011 by twinspinna Quote Link to comment Share on other sites More sharing options...
Evan G Posted May 11, 2011 Report Share Posted May 11, 2011 have a good read of this http://freespace.virgin.net/tommy.sandham/weber.htm then when you understand how a carby works, read this http://www.vw-resource.com/jets.html btw theresz TONS of carby related topics up. just have a search thru em. enough spoon feeding from me tonight Quote Link to comment Share on other sites More sharing options...
xy500 Posted May 12, 2011 Report Share Posted May 12, 2011 so it was the dizzy 180 out? sounds like its running lean at idle, check for vacuum leaks - make sure all your vaccum hoses are connected first. Then start richening up your idle mixture. Quote Link to comment Share on other sites More sharing options...
twinspinna Posted May 12, 2011 Author Report Share Posted May 12, 2011 so it was the dizzy 180 out? sounds like its running lean at idle, check for vacuum leaks - make sure all your vaccum hoses are connected first. Then start richening up your idle mixture. yea got it going but now it will only go if foots to the floor. even then its just above 1000rpm. keen to have a look for me?? ee what I'm doing wrong haha Quote Link to comment Share on other sites More sharing options...
GJM85 Posted May 12, 2011 Report Share Posted May 12, 2011 Big cam = recurve... Quote Link to comment Share on other sites More sharing options...
twinspinna Posted May 12, 2011 Author Report Share Posted May 12, 2011 recurve??? Quote Link to comment Share on other sites More sharing options...
GJM85 Posted May 12, 2011 Report Share Posted May 12, 2011 recurve??? regraph. The change of weights and springs inside, so the advance of the distributor matches that of the cam/engine. A large cam will change the timed function of the valves and there for change the required ignition time. Regraphing/recurving counters this. Quote Link to comment Share on other sites More sharing options...
xy500 Posted May 12, 2011 Report Share Posted May 12, 2011 (edited) a recurve wont help at idle though, where there is zero mechanical or vacuum advance. Static timing and idle mixtures should settle it down a bit. A recurve will definitely help with through the rev range tho. Some of you blokes could be a little clearer with your advice. Edited May 12, 2011 by xy500 Quote Link to comment Share on other sites More sharing options...
ninja-philbo Posted May 12, 2011 Report Share Posted May 12, 2011 I'm gonna put my money on ur timing and a massive vaccume leak u in brisbane?? if so hit me up with a pm il come round and get it goin for u Quote Link to comment Share on other sites More sharing options...
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