This code reader was able to identify which wheel speed sensor had failed on a Gen3
https://www.harborfreight.com/automotive/diagnostic-testing-scanning/code-readers-scanners/zr13s-obd2-code-reader-with-abssrsfixassist-57666.html
Selecting manual trans lubricant is kind of a balancing act. One that protects the bearings and gears, inhibits the function of the syncos, and vice versa. One that allows the syncro to grip the gear doesn't protect the gears as well.
I've pulled apart dozens of Chryslers old 4-speed, the...
Couple of things. LTFTs get updated in just a few miles, has to be in closed loop with the engine at operating temp.
LTFT is not just one number, it's a matrix, MAP vs RPM. Here's a snapshot using HP tuners logger:
Since it's the same on both banks, it's unlikely to be a plug, wire or injector. Clogged air filters, restricted exhaust (CATs) or MAP sensor could make it go rich and be the culprit.
This is the standard test every shop uses to check CATs, normal should be ~200F before, ~400F after, checked with an IR thermometer. Much easier on a non-Viper with everything exposed.
A 160 thermostat starts to open at 160 and will be fully open by 170. A 180 thermostat will be fully open by 190. So, at 200, both thermostats are fully open and do not provide any restriction, they are the same. At this point the cooling is determined by the rest of the system.
A couple of things.
If you unplug a plug wire at the plug, you should get CEL almost immediately.
If there is a plug that is not firing (shorted, fouled etc) the upstream O2 sensor will detect the excess unburned oxygen from that cylinder, the engine controller will interpret this as...
The "rotten egg" smell is the classic complaint with catalytic converters. Been that way since the 70s, always hated it. It's normal, whenever I witness a Toyota (or anything else) go wide open in front of me, I get a whiff.
But, your metal exhaust tips or pipe is actually expanding?
High flow cats have a coarser mesh substrate that results in higher exhaust gas flow. Another result of this is that it does a poorer job of converting pollutant's into other gases, a lower percentage. Since they convert less, they generate less heat. They're just a way of keeping a check...
Congratulations on your purchase.
A couple things I'd do immediately are check to see if you have the infamous "birdcage" retaining clip on the clutch linkage and eliminate the trans skip shift.
I've had a vehicle in the past (not a Viper) that had a sticking oil pressure relief valve. It would occasionally peg the pressure a gauge and blow out the oil filter gasket. You might want to keep an eye on that gauge for a while.
Energy Suspension 3.2124
https://www.summitracing.com/parts/ens-3-2124g?seid=srese1&gclid=Cj0KCQjwqs6lBhCxARIsAG8YcDiS9rJrlaiI7AyC4WsW31tL6NOPSs__IZZETWyjFAasm0d5i-fV42MaApTJEALw_wcB
https://www.energysuspensionparts.com/energy-suspension-universal-polyurethane-bushings.asp
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