Chris Paveglio

iTrader: (2)

Simple question- on a stock car (98-02 LS1 Camaro/Bird) with no mods, no headers no intakes etc, how much vacuum does the engine make? On the line that goes to the power brake booster? Like what's a "normal" range?

Thanks,
Chris

BadgeZ28

iTrader: (28)

mine idles around 21 inch

bww3588

iTrader: (49)

spec is 18-21 inHg

fuseone

it can be any where from 17-21. i know mines at like 20 19 something like that. its going to differer a tad from car to car.