Ramp Down VS IAC Hold Position - Holley Performance Products …
2020年5月7日 · • Look at the position of the IAC when the engine is running at 1500. For this example, it is 38 (then set the idle speed back to the normal value). • Subtract 5 from this value and enter that value for the “IAC Hold Position” (38 – 5 = 33 for this example). So, we went through these steps to set the IAC ramp down point to 1500 RPM (33%)
Adjusting IAC Hold Position - Holley Performance Products Forums
2018年8月3日 · My IAC Hold Position is currently at the base 30%. Following the Help instructions to fine tune the proper Hold Position, after allowing the engine to warm up to operating temperature (~175°F), using the laptop EFI software, I increased the Target Idle Speed to 1500 RPM, the point at which I set the IAC ramp to begin.
IAC Hold Position & WBO2 Advanced Control
2022年7月22日 · I don't think the IAC Hold Position matters much. I use 20% for all the tunes I build. What does matter is the IAC Parked Position. You want that to be bigger for bigger engines. 500 inch street engines usually want something in the 60% or even 70% range for hot IAC Parked Position. Small engines can get away with 20 or 30% IAC Parked Position.
IAC Hold Position - Holley Performance Products Forums
2020年10月1日 · So, I was able to get my IAC Position down to +/- 10%. Now, looking at the datalogs when I stab the throttle it goes to my Hold Position. Which is what it should do. But then from Hold it decays and dips suddenly and then raises back up. I'm not sure the reason behind this. Current idle is at 850. P Term 40 D Term 60 Idle Spark enabled. Hold ...
IAC Hold Position and no start when hot.
2021年6月30日 · Keep your IAC Ramp Start RPM above @ 1000 RPM, make sure the below box to re-enable is 200 RPM. My IAC Hold Position is at 40% currently. I believe that's the given tune numbers for stick shift cars. Someone may chime in to correct me, but I'm pretty sure I got those numbers from this forum. I'm having hot start issues as well. Freshly built LS3.
Sniper IAC stuck at Hold Position. - Holley Performance Products …
2019年9月16日 · In fact, it never moves at all regardless of driving inputs. Is this a reading of its physical position (like it's stuck), or is this the requested position, and for some reason it's just not asking it to move. I changed its requested Hold Position and now it shows 10%, but I don't know if this means it physically opened more, or it's just ...
IAC Position - Holley Performance Products Forums
2017年7月19日 · IAC drops at idle to 0%, previously stays at 5% where I set it and 15% Hold Position. Car will not come off 1800 RPM, unless it shut it off & restart it. Seems to be my IAC bleeds down to 0 over time, even thought it is set around 5% at hot idle.
Idle Tuning Questions - Holley Performance Products Forums
2020年3月29日 · OK, so I've done a bunch of searches and read and reread the tech library and I'm not understanding what some of the idle settings do in the EFI software. First off IAC Hold position. The manual says: "This is the position the IAC motor will “hold” or “freeze” at when the TPS moves above idle (when TPS becomes greater than 0%).
IAC Hold Position - Holley Performance Products Forums
2020年10月4日 · Terminator X EFI Tuning & Tech. May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction ...
IAC Position - Holley Performance Products Forums
2019年8月9日 · Don't use that calculation. Most engines won't tolerate a high IAC Hold Position. Set it to 20% and move forward. Typical IAC Control/Ramp Down Parameter Settings Advanced Idle Control: ..... Slow (Usually the best control.) Sniper …