Thread: '98 Trans Am 40mpg
View Single Post
Old 05-17-2022, 01:26 AM   #5 (permalink)
Drifter
EcoModding Apprentice
 
Join Date: Apr 2022
Location: California
Posts: 166

Cx9 - '18 Mazda CX9 Grand Touring
90 day: 31.41 mpg (US)

Prius - '10 Toyota Prius III
90 day: 57.8 mpg (US)

Tundra - '00 Tundra V6 long bed base work truck
90 day: 19.4 mpg (US)
Thanks: 95
Thanked 92 Times in 61 Posts
There are naturally aspirated diesels and they too have very low manifold vacuum. With no turbo they just don't get boost under load.

Old Mercedes diesels actually have a pump to create vacuum for things like the brake booster (and even door locks)
  Reply With Quote