lineberrcasey
08-28-2012, 01:56 PM
my impala has that old 929 stock cam .390 lift intake .410 exhaust 195/202 duration @.050, 112/108 lsa why does it lope real nice at idle in park or nuetral but it has a deep non lopey growl in DRIVE(edit i made a typo) i really want to know