WebMar 11, 2016 · FiTech wants its potential customers to know that they have done all of the hard work for you, and that you don’t even need to own a computer, let alone a laptop, to convert to a FiTech EFI system. ... Sitting at about 10:1 at idle, off-idle jumped to about 12:1 and then it richened up to under 11:1 and stayed well under 12:1 for most of the ... WebOct 5, 2024 · By the way, if the car ran perfect with the carburetor, you might want to see what accelerator pump nozzle is in it. If it is a 40 or higher, the default FiTech tune just off idle is probably too lean, which is why I keep hammering on the 1100 RPM AFR target setting. The Accel Pump settings at 65F and 170F could be a little lean as well.
Tune help with off idle stumble, lean condition - HPTuners
WebDec 12, 2024 · Ignition timing is even more important with EFI due to the precision that EFI offers for fuel control. – Ken Farrell, FiTech. FiTech EFI systems attempt to be as accommodating as possible for low-vacuum engines. We do have engines running with as little as five-inches of vacuum at idle, although some additional adjusting of the software … WebMay 29, 2024 · Make sure it is between 3 and 10. no more. no less. It should settle into idling as soon as those numbers are there. If they aren't, then it is another issue. This is just what worked for me. I had to call Fitech, and that is what they told me to do, and have not had another issue, until i had a collector gasket leak. oli london koreaboo lyrics
Fitech 400hp idle stumble - YouTube
WebApr 15, 2024 · Tune help with off idle stumble, lean condition. Hey guys, first post here. I have an issue I can not track down. Quick rundown is I've got an 02 camaro, 6.0 swapped, btr stage 4 ls1/2 cam, 660 springs, stock 821 heads, fitech mid rise intake, fitech 102 TB, 42lb ls3 injectors, ls3/7 card style MAF in a 4 inch housing, slp lid, 4l80 with a 4000 ... WebMy FAST O2 meter reads 9.6 (rich) and the FiTech, 20.6 (lean) proving there is no leak in the exhaust, the O2 sensor was bad. 04/26 sent photos of the FAST readings and FiTech readings. WebNov 21, 2013 · 3,747. Location. Western Colorado. The 2 things that cause a backfire out the intake is a lean condition or spark while a intake valve is still open. Triple check your firing order beings that you did plugs and wires. Check for vacuum leaks. With the motor at idle put your hand over the carb and try to choke it out. oli london is boy or girl