StuartMackay Posted July 12, 2004 Posted July 12, 2004 Next question....... I get get an occasional misfire at around 4000, me thinks it could be the coil needs a ballast resistor.who is an expert on this one then?? Quote
Nutter Posted July 26, 2004 Author Posted July 26, 2004 Up till nearly 3 then, Still scratching your head! Quote
highwayman Posted July 27, 2004 Posted July 27, 2004 PM the webmaster he's a great source of solutions Dave Quote
AJ Thompson Posted July 30, 2004 Posted July 30, 2004 Hi - recently joined WSCC as I bought a Sport 2000 last week. Have not stopped walking around with a maniacal grin. My car had both the 4000rpm-ish misfire and a rev counter problem. Went to Northampton Motorsport (what a great service! yesterday to resolve the misfire with great success (wrong idle jets in Webers even though they were "correct" according to manufacturer). Whilst on the rolling road the graph showed that, even though the car was revving to 7k according to the instruments, there seemed to be more to play with as it was showing the engine to have around 143BHP. Troy from NM then attached an alternative counter and it showed that the VDO counter was reading 1500rpm too high at the top end! Eventually proved the card to have 167BHP which is about spot on for a 2ltr Zetec but it involved taking the rev counter needle way past it's limiter! He recommended replacing the VDO with something that works! The fix with the capacitor (or whatever it is) sounds a tad complex for me. I am just about able to change the oil! Fantastic experience to see the car strapped down and redlined! Quote
Matt Seabrook Posted July 30, 2004 Posted July 30, 2004 Fantastic experience to see the car strapped down and redlined! The Zetec is a bit prone to plugs and leads. This can cause a miss under load Quote
Nutter Posted July 30, 2004 Author Posted July 30, 2004 Whilst on the rolling road the graph showed that, even though the car was revving to 7k according to the instruments, there seemed to be more to play with. Just went out for a blat, seem to have the same problem at high revs as you. The VDO tacho seems to be reading high but the only thing that lets me know when I'm at 6800rpm is the rev limiter starting to cut in. Reading is fine at lower revs. Got to the stage now that I can't be 'd with the tacho now. Quote
AJ Thompson Posted July 30, 2004 Posted July 30, 2004 [The VDO tacho seems to be reading high but the only thing that lets me know when I'm at 6800rpm is the rev limiter starting to cut in. Reading is fine at lower revs.] If you get a chance to get the car checked out on the rolling road it may be that it is completely stuffed like mine. Had I not checked it out then I would have been driving around like a doris for the rest of my life - it has really made a difference to the car's performance Quote
Nutter Posted July 31, 2004 Author Posted July 31, 2004 The plan is to get it on a rolling road soon. Anybody know of any good places in the Worcestershire area? The last time I had this done Aldon Automotive carried it out but that was 11 years ago on my mini. Are they still going with the rolling road and are they any good? Quote
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