Talking about the 59mm upgrade...but im just being cheeky. How do the turbos feel with the CRP upgrades in the high end of the RPM band?
Well, they seem to make the most power around 4500, but I'm still along way off with my tune. The extra torque messes with the ecu and it starts closing the throttle. Without a dyno it's a long process. I also make very small changes each time so it's probably taking me a lot longer than an experienced person it's fun for me though learning.
Remember I'm road tuning lol. 100mph comes up quickly even in 4th. Also to make boost you need load on the engine and I have 3.73s. The engine never really gets much load in 4th gear.
Really not exaggerating when I say our ecu is one of the most complicated to tune. There are so many "nannies" you have to adjust. You figure out why the spark is getting cut, fix it, then the throttle starts getting cut by a completely different source. Hardly anyone on the HPT forums tunes 3.7s so there's not much to go on, and the ecu is just different enough from the coyote to be frustrating. HPT also hasn't been supporting Fords in general for a very long time. I've heard that SCT software has more mapped parameters because they've been doing Fords forever. That would probably make it easier, but I really hate their business model. HPT support has added some parameters for me, just takes them a couple weeks and you have to know the location of the table and be aware of it's existence in the first place.
I may have already asked you this, because I ask everyone who says they have 3.73s, do you have a torsin diff? My diff clunks like crazy and I've read that it's normal for the Torsin, but man it really clunks.
Yeah I'm manual. I bought a loaded gt350 pumpkin. I did the black steeda bushings. I also have a blowfish racing shifter mount and the steeda trans mount bushing. I had to switch the pinion flange because it was set up for an automatic. I'm worried I did it wrong. The clunk feels like slop in the gears. You can rotate the driveshaft by hand and feel the slop. I've read a lot of forum posts of people complaining that their torsin diff clunks, so I'm not sure if it's normal or not.
Interesting. I'd have to hear it and see it to understand what you mean. The "slop" is something that is always part of the MT-82 as i3m sure you know. You're saying its noticeably worse after the switch?
No the slop I'm talking about is in the diff. You can rotate the driveshaft by hand a few degrees before the pinion gear interacts with the ring. So every time you go from forward to reverse you get a clunk.