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I just went through this, my motor would fatten out at 5100 rpm. Called Cody and discussed and he ask about vr 4000 and mine was like a 1.5* off (lower than handheld) So I set it to 1.5* WRONG. You are suppose to add it to the 17.6 to bring timing light damper up computer time. I think in my...

Are you using a MSD box, I am and cant use a dial back light, it's off by a couple of degrees. Have to use fixed light. Also just to ask you have the advance locked? The beauty of timing control is once sync'd you cant put your light away. Just use handheld for any timing changes Larry

The one thing you have to do is sync the dist to the ECU. Set your base timing value in the handheld, then bring rpm up to 2000 rpm and adjust dist so timing light and Spark Advance on handheld Dashboard screen match, tighten dist. It doesn't matter what the value on dashboard screen is for...

What I have done is once I get the default tune setup and run for a few miles is to save that cal, plugged into the computer I rename one of the files to lets say basic. Then I save the tune like after a few hundred miles and give it a name maybe basic200. This way you can load and go in a few...

Don't know if this is the cause of any ones problems. I have followed and posted on a few different FiTech forums and a recurring problem I see is poor connections. We could help ourselves out by soldering and heat shrinking all connections. Tee taps and crimp connectors are only asking for...

FiTech states you can run 1/4", I'm using 1/4" nylon fuel line

I think it's the air temp sensor, did some thing happen to it. Looks a little funny Larry

Bosch O2 sensor part number is 17014 and the wiring harness is longer Larry

I would say no. If you adjust it in drive when you put it in neutral the RPM's will rise and the IAC only has 5-10 steps till close to work with to slow it down, when you already know you need 30-35 steps