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Tuning Dells
I switched my Kadrons for a pair of Dell 45s. The improvement has been fun. Much better trottle responce, and all around smoother operation. I also gained 2MPG (so far). My only concern is that I am running about 10* hotter on the oil temps and was getting some detonation around 1500 -2000 rpm if I load it. So, I retarded to timing a few which pretty well took care of it. BUT that caused it to cough on decelleration (only when moving not sitting and revving the engine) I am guessing this is beacause of unburned fuel igniting after the cumbustion. I am pretty sure the coughing is from the exhaust and not the carbs. Should I go up a notch on the idle jets and put the timing back where it was? Any recomendations?
2017 8.5 CR 009 now set to 25* full advance was at 29 34 vents 55 idles 150 mains 200 airs Thanks Ron P.S. Next day now. I pulled all the idle jets and cleaned them. Each one seemed to have a slight resistance to passing a jet drill through it (drill had been through before) as if there was some gunk lining the jet. I put them back in and no more coughing. Next time I started up it backfired right at startup and now its coughing again on decelleration. I use the stock fuel filter, and it is new. Last edited by Ron Roberts; May 18th 2003 at 17:53. |
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