Got the speedo dead on this time, and found the happy spot for the wastegate where it stayed safe even with a trailer behind it but didn’t sacrifice spool up, got a video uploading of it. I ordered what I needed to finish up the new exhaust, going to put a v band at the transmission instead of the band clamp, for the time being I just put a turn down off the downpipe to keep heat off the trans, really isn’t very loud as you can tell in the video.
I also finished up the external cooler mount and deleting the stock unit, it took some time fiddling with the orientation and line routing but I’m pretty happy how it came out.
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All the lines run outside the frame away from the heat next to the water lines, and dont come any lower off the cooler than the bottom of the cab. I figured out how I wanted to control the fan and built everything on the bench, I start off using an oem ford (Mercury) fan temp switch (easy to get at any parts store or dealership) in-line on the incoming trans line that supplies a ground to the fan. In-line to that is a switched ground that will go to a toggle in the cab so that if the temp switch fails you have manual override to turn the fan on. The fan will get power in the accessory or ignition position, and is protected by the same relay/breaker/fuse combo I used on the e pump circuit.