Easy diagnostic to put a 1/3 dose of lubeguard red in the transmission, if that changes things then you’re looking at a TCC or valve controls.
Though the electrical issue for 30F is v interesting. Add your own ground harness as an experiment?
Agree with oddities also with spark delivery. Colder, denser air plays a role. Consider tightening plug gaps just a hair as well.
Though the electrical issue for 30F is v interesting. Add your own ground harness as an experiment?
Agree with oddities also with spark delivery. Colder, denser air plays a role. Consider tightening plug gaps just a hair as well.