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#1 Ok, so this issue has perplexed me for over 3 years now. I picked up a rebuilt / salvage title 07 GT500 back in 2015. Everything is near perfect however when I wholeshot the car my guages, dash lights, ABS, and stereo power cycle. It's quite distracting and upsetting when it happens as it's usually when I'm trying to enjoy the power this beast has. I've taken it to the local speed shop who wants a ton of money to analyze the electronics and Dyno the car.. So I've physically checked the ground connections which seem ok (no multimeter testing though). considering it's an RPM triggered event I'm suspecting that it ISN'T a ground issue. I've disengage the ABS because when the power cycles it instantly turns back on the ABS creating problems. My suspicion is that the person who rebuilt the GT500 cheaped out on a replacement alternator and either installed a junk GT alternator (not GT500) or perhaps a defective one that maybe sends a surge at 2000 RPM. I just can't think of anything else that involves electronics and would be 2000 rpm sensitive. I sure would appreciate if an expert from this forum could assist as I'm completely lost. 3 years with the car and I can't take it over 2000 without fearing the unknown... Thank you in advance whoever you are who will be taking time out of your day to help me. Carl
After installing my K&N intake with no tune I started to take notice of my air/fuel reading at idle my reading is mostly at 14.1 but fluctuates down to around 13.1 and back up. At WOT it goes down to 11z and then shoots up all the way to 20 and back down to steady 14z as I let go of the gas. Is this normal or ok ? Just curious because I like to really understand the details of how my car is running and I'm trying to avoid the stock intake back on just to compare. Also I just started to realize when pulling up and stop at a traffic light my rpm goes down to 1000 and stays there for a sec before going lower to idle did not notice this before Third for some reason all of the sudden on normal acceleration from 0 on first gear it feels like my rpm climbs slower up to 2500 and then picks up where is before it would shoot up from start, there for I would get that power launch feeling with out having to rev it before launching Could it be I have an air leak somewhere ? Any clarification on these concerns Would be greatly appreciated I'm sure it could be nothing and maybe I'm just exaggerating but its still good to know