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Strange fuel head issue! After WOT AFR stays at 10-11.5.
Before the WOT it would be about 15 on cruise. Also the WOT cuts at about 4300 rpms but I haven't logged yet if it goes super rich before it cuts. I have this 123TUNE distributor so the cuts might be ignition related. I intalled my msd inline but it did not help the cut out.
WCP is at 5bar and vacuum port is plugged so its not the WUR. Its not the cold start valve either as I have a pushbutton for it and engine stalls from too rich if I push it. It idles and run just fine but its just way too rich. Last time this happened I tried to adjust it leaner and after awhile it went super lean like something released again?
Any ideas to try? I have one day to try stuff before another trip elsewhere.
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10/78 930: HX40Super, MS3pro+IDX1050+044+E85, ITB, 12 Denso COPs, TrueSplit-BB/2*38WGs, Weight<1100kg
Last edited by smurfbus; 07-22-2013 at 01:40 PM..
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