WOULD THE LONG LIFE 15W-40 BE A GOOD CHOICE FOR A 2002 CHEVROLET S-10 PICKUP WITH A VORTEC 2.2L ENGINE BE A GOOD CHOICE. I LIVE IN SOUTHWESTERN PA. I ASK BECAUSE I AM INTERESTED IN EXTENDED DRAIN INTERVALS? I HAVE A 1999 PLYMOUTH VOYAGER WITH A 2.4L ENGINE AND THE DEALER USES A 15W-40 MOTOR OIL(MOPAR BRAND)AND IT RUNS FINE ALL YEAR LONG. I AM FULLY AWARE OF THE WARRANTY ISSUES BUT THE VAN CALLS FOR THE SAME VISCOSITY AND THEY STILL USE THE 15W-40!