What do you mean "if I ever find out"? I'm saying that sealing them up with plastic and tape did the trick for me. Give it a shot.

Pacific Green '96 Contour LX V6, loaded
'98 Grand Prix GTP 14.88/91 bone stock, awaiting new times from 3.4 pulley, CAI, U-bend removal but it's creeping up on the...
Calypso Green '92 Mustang LX coupe, 13.56/101

3-time local class champion autocrosser

Racing school whore