I was trolling Pep Boys for motor oil in Sacto today and found that they have an in-store DIY deal on GC. 5 quarts for $29.99 including a throwaway Fram filter. Limit 10 quarts. Bizarrely, they wouldn't honor the deal unless I took a filter...
They had little placards up like the following in the store, except it was for Castrol Edge SPT + Fram for $29.99:
http://www.pepboys.com/featured_prod...il_CouponPg_P1