Poll: What Engine? What Vehicle? What Oil? What Filter?
 

HP500EFI, 1999 Sonic, Mobil 1 15w50, Wix RACING Filter (Napa)

350 Vortec, 1996 Chevy Tahoe, Mobil 1 10w30, Wix Filter (Napa)

Modified 454 MAG MPI, '98 225 Crownline, Mobil1 15w50, Mobil1 M-302 filter
5.4L, '99 Expedition, Mobil1 5w30, Mobil1 M-210 filter

HP500 carb, 25' Checkmate, Redline 40wt, AC PF35L

6.8l V-10, 00 F-350, Mobil 1 5w30, Mobil 1 M-210 filter

Eric:D

454Mag EFI - Quicksilver 25-40W, Napa Gold (Wix), every 30hrs
hours and at the end of the season.

5.3L V8 2002 Tahoe - Whatever oil/ filter the dealer uses? I've never kept a vehicle long enough to care. Just change it every
3K miles.

454 EFI Procharged. AC Delco PF 932 (2 quart filter) Redline 10-40
Synthetic oil.
1999 Chevy K3500 454 AC Delco PF 1218 Mobil 1 10-30

Merlin 632, 2000 Carrera 257; Mobil 1 15W 50, System 1 filter; change every 15 hrs

454 Vortec; 1997 Suburban; (185,000 mi) Valvoline 10W40 synthetic. change every 4-6k depending on towing.

350sbc change every season...15w40 Schaeffers synthetic Amsoil filter.. very low hours per season...

Truck 97 youkon 5.7 130,000 Schaeffers 10w30 every 5000
Amsoil filter.
So far so good

2001 stock 502, QSilver Hi perfm lube/oil/filter

2001 F250 PSD 4x4 Texaco URSA Heavy Duty 15W-40
Motorcraft FL1995 stock filters

HP500 EFI, 1967 Camaro RS, Mobil 1 15-50, Mercury Racing Filter:cool: