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I did look at the schematic and it makes sense for having an Abbott ERA and some kind of reverse lockout controller. Nothing in that schematic is used for telling the Ford PCM when it's in reverse. All it does is correct the pulse count from the T56 output shaft sensor to the Ford PCM...

Ok, whatever you do, don't change the OSS 3 wire connection. It looks like you're proposing hooking it up to the T56 reverse switch. Definitely don't do that. Find the factory 2 wire reverse connector I mentioned. It's a factory Ford connection and it must be dangling under there somewhere...

Ok, let's start from the beginning. Your T56 is already installed? What did you do with the wiring harnesses that were plugged into the old transmission? There should be a two wire connector that needs to be wired to the T56 reverse sensor. There's a 3 wire connector and that is the OSS...

I don't know what year your car is. Cars with rev matching need a sensor in the transmission that doesn't exist in a T56. I don't know much about that. My only experience is 15-17. For those, you just hook up the reverse sensor and put the right gear ratios and OSS pulse count per rev in the...

Lots of information in the transmission and drivetrain forum if you search... There are issues if your car has the rev match feature. For older S550's, I can tell you that cruise works fine with a tune change to correct the ECU's gear ratios. Reverse/camera should work without a harness just...

To answer the original question, you can control boost with a potentiometer or a smoothboost module that accepts a PWM input. You'd have to do something custom/special to add that control with the factory ecu. Probably possible with Pcmtec's custom OS but I'm not sure where you'd get the PWM...

Are you trying to tell us that the max boost of a centrifugal isn't controlled by the size of the pulley? Can you control boost by gear with a centrifugal?

I'd love to see where you did this. I need to run more wires and I've already used the sound tube and the passenger fender locations for a fuel system and gauges, so I need a new spot.

1 or 2 degrees at light throttle is nothing to worry about. The only time you should worry about knock is if you see it under moderate to hard acceleration. A degree or two when you're not actually stressing the engine is no big deal. I tried to look at your logs but I can't open the files...

You mean overspinning the blower? What pulley do you use? I only get 12-13 psi with a 3.25" pulley on my 2.9 due to living at high altitude. I keep thinking about going to a 3" or a 2.75" , but I'm already at Whipple's max blower RPM spec.

I put in my clutch master by attaching it to the pedal assembly first. Full disclosure, I was already doing the AC evaporator core, so I had the whole dash out. Made the pedal assembly pretty easy 😆 I have a braided clutch line and I removed the short extension, so my only connections are at...

I don't know, I've never used anything past 4.10.7. Pretty sure you can't disable a check engine light, but that wouldn't bother me much. What I worry about is being able to turn off cat overtemp protection and FAOSC.

The other thing I'm wondering is if you can load new credits with the old version and no firmware update. I have a buddy that wants to remove VATS from his project C10 with a swapped motor and I'm not sure if I can help him.

4.10.7 is not current production, so I would be careful. I've been afraid to update to anything later or use the beta because it might force a MPVI2 firmware update. Can anyone confirm that you can go back and forth from 4.xx and 5.xx or later?

Manual - T56 swap with a Whipple 2.9

Not really, it's all about the transition from vacuum to slight amounts of boost, which can vary in throttle position depending on rpm, load, etc. Basically, it doesn't always happen at the same throttle position. Maybe it could be managed with the torque tables and/or speed density model in...

For me, this change would be about simplifying tuning to make the car more smooth. I prefer to control power output with my foot instead of a gadget, but when I run my 3.25" pulley and E85 tune, the throttle becomes a lightswitch. The bypass valve slams open and closed too easily when trying...

Curious about the smoothboost, how is that wired? Is there a plug and play kit for our cars or are you splicing into a harness?

Download the install instructions from Steeda's website. They didn't quite clean it up completely... it's a copy of Whiteline's install sheet. See page 4:

Steeda sells them now, although they don't tell you they are actually the Whitelines. I have a set and I like them. https://www.steeda.com/steeda-555-4048-mustang-differential-mount-replacment-bushings