
I'll be back on it in the morning after the neighbors are awake. This thing is loud as hell. Hoping for some tips on where to start looking. I'm guessing MAF data and injectors, but a guess is all it is at my tuning experience level.
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I also probably better verify I am running the engine long enough for O2s to give an intelligent reading before I post data on this board. Lean isn't what I initial impression was. Keeping it running isn't easy but I need get it into closed loop and am not certain I have yet.decipha wrote:its obviously lean.. give it more fuel
I accidentlally ran on the factory tune for a several minutes so the plugs were really sooted up. Car already running a little better today with only a few minutes run time on it. I will probably change the sparkplugs and see if that helps. I did datalog it in closed loop today and the O2s are in the .3 range.decipha wrote:its easy enough to tell if an engines lean, just yank a plug and take a look see
On the advice of decipha I ditched the fancy FPR and put a stock one back on. Definitely acts much better now. Regarding my original problems. I had a number of issues. Found a vacuum leak, and had to deal with some rocker to polylock interference. I changed out a number of components to get that resolved and am running pretty good now. Switched to a QH as well, and VERY glad I did.txman wrote:I know this is a old post. Do you have a adjustable fuel pressure regulator? If so what is your fuel pressure with vacuum off. I have mine set to 39 psi with the vacuum off.
What is your Air Fuel ratio?
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