As you go up the pass, your son might want to get out and push. Don't forget these cars usually have blowby, and as described by another member, means most cars will "blow by" you.

Have fun.

John

__________________
Certified Registered Nurse Anesthetist (CRNA)
2002 F250 powerstroke with Plantdrive WVO conversion
1983 300SD 190K miles ,sold
2006 E320 CDI