My wife is far more honest with herself than that. She spends money to spend money, period

It's a '93 E150. I don't know what rockers are in there now but I imagine they're stamped. The oil filler provides no view of the valvetrain so I can't confirm. The 1.7s I saw have a roller pivot and a roller tip. I can't imagine there'll be any more notable drop in oil temp than rise in mpg.

Someone with a similar van in Europe asked about engine mods to increase mpg and someone else suggested higher ratio rockers in his litany of mods. All the suggestions and marketing fall under the umbrella of efficiency but efficiency doesn't always translate to increased mpg.

Ideally the van would have a 4.9, 5.0 or 7.3 but the right van at the right price had a 5.8. And with 185K miles on the clock, it's not worth more than a set of new plugs and wires when needed. If my criteria were towing up Pike's Peak I'm sure higher ratio rockers would make the cut for cost and ease of installation.

Neither the E150 nor the Suburban have a rubber lip. The air dam molded into the E150 bumper hangs pretty low as it is and we tend to park as far into a slot as possible so the back end doesn't stick out. A rubber lip might not last too long. I'll have to check how low they usually hang. Ugly? We're talking about a van

Sixto
87 300D