when were the last pintos put into sierras before they were replaced with the cvh? ideally after a 2l, ideally after a new(ish) one!!

The 2.0i pinto was replaced in august 89, by the DOHC, the cvh replaced the 1.8 pinto in 87 with a 2 year overlap, the 1.6 pinto changed to cvh in 90.

The 2.0i started in 85, so there is little age difference for any injection motor