89 2.9 Bronco 2...
After cold start up, when I shift from 1st to 2nd, no matter how much throttle I apply or how much I wind up the rpm's, the motor bogs down hard. Not enough to choke it out, but pretty close. 2-3, 3-4, 4-5, no issue. Once the motor warms up, the 1-2 shift is normal.
Thoughts?