- Joined
- Sep 11, 2008
- Messages
- 206
- Points
- 3,101
- City
- Portland, OR
- Vehicle Year
- 1987
- Transmission
- Manual
I've seen countless threads on throttle body spacers. I've pretty much gotten that they are worthless unless you have TBI So if you did have a truck with TBI how much of a performance increase could you expect?

