Originally Posted by
$hawn
a by-pass will recirculate the air after it is read by the MAF, not just dump it after the computer thinks it has gone in to the engine as a BOV would.
Exactly. Then there are wastegates - which vent unmetered (not measured by a mass air meter) exhaust gas to regulate boost in turbo apps.
The most important thing to know is probably the metered/unmetered deal. You dont ever want to vent air that has already been measured by a mass air meter.
__________________
Jeff
93 Coupe - check out my blog -
http://www.93coupe.com
01 Cobra - Stockified - Wife Owned and operated
68 Coupe PROJECT <- Been in the family for 25 years!