When you raise the Fuel Cutoff limit, do you have to go through every table that makes reference to rpm in its' axes and change all of them? For example, if you raised your fuel cutoff to 7700rpm, would you then go through all your mapped points and readjust the axes to go all the way up to 7700rpm and then come up with legitimate values to fill the "new" spaces in these tables? There are tons of tables that make reference to rpm in the tune, all 16 borderline mapped points, all 16 mbt mapped points, IVO Angle, EVO Angle, WOT Lambda, Cylinder Pressure Limit, and many more. Someone on another forum asked about all of the tune changes needed for the Boss 302 Intake Manifold and it got me wondering about another aspect of this topic. Yes on fueling and timing.83 on the fuel against 14.08 AFR and stay in the 25* range for max commanded.īringing this one back from the dead. If you are installing a 6R80 with all the supporting items then ~7,700 is the hard limit there. The controls pack ECU should rev out to ~8,300. That location looks fine for the front o2's as it is a merge point for the tubes. 83 λ and 25 degrees of timing or so at WOT like you normally would at lower rpm's (I'm talking like 5000rpm+) ? The 7700rpm hard limiter is still in place right? Do you still want to command the same. I am assuming the fueling and timing fall off after 7000 rpm or whatever the stock limiter is, so I am guessing you have to extend those out some. I am building a factory five mk4 roadster (65 shelby cobra replica) so packaging was an issue with the stock airbox, that's why I am using an aftermarket Intake that just so happens to be slightly larger than stock. They are within 1" of stock location in relation to the head compared to stock shorty style headers. They need to be in the collector where all tubes merge. Why are the o2 sensors in the stock location on the long tubes? You won't get an accurate air/fuel reading that way. Nothing wrong with using the stock airbox, just find a Boss intake tube for it.
#302 INTAKE MANIFOLD MOD#
I figured that this would be a useful thread as this is a pretty popular mod that I'm sure many will be looking to account for. Longtubes(stock 02 sensor location) running straight into sidepipes
#302 INTAKE MANIFOLD HOW TO#
As far as raising the limiter to 7700 RPM, what all needs to be done to let the car make power and stay safe at that RPM? This is a potential mod I want to do with my project car.Ģ014 Coyote Crate Motor (Late build 2014 motor, so it has 2015 Mustang heads)ģmm larger than stock Intake tube with pod filter (already know how to tune for this) I was just wondering what tune changes need to be made to account for a Boss 302 Intake Manifold.
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