P/N |
Make |
Model |
30um Filtering (wt 5) |
Overall
Build Quality (wt 5) |
Media
Surface Area (wt 1) |
Media Volume
(wt 1) |
Price Paid
(USD) (wt1.5) |
Final Grade |
PF1218 |
ACDelco |
n/a |
F |
F |
B |
A- |
B- |
0.80 |
EaO24 |
Amsoil |
n/a |
A |
A- |
D+ |
D |
F |
3.02 |
B1428 |
Baldwin |
n/a |
D |
B- |
B- |
A- |
D+ |
1.99 |
3510 |
Bosch |
n/a |
C |
B- |
A- |
B- |
C |
2.44 |
B4361 |
Carquest |
n/a |
D |
C+ |
C+ |
C |
A |
1.99 |
LF3679 |
Fleetguard |
n/a |
C |
D+ |
D+ |
D+ |
B |
1.75 |
DL5 |
Fram |
Defense |
C |
C- |
C- |
C- |
A |
2.07 |
DG5 |
Fram |
Double Guard |
C+ |
C- |
C- |
C- |
D |
1.84 |
HM5 |
Fram |
High Mileage |
B- |
D |
D |
C- |
C |
1.53 |
PH5 |
Fram |
Extraguard |
D+ |
D |
C- |
C+ |
B |
2.00 |
TG5 |
Fram |
Toughguard |
C- |
C |
C+ |
B- |
C- |
1.93 |
HP4 |
Fram |
Racing |
C- |
C+ |
A |
B- |
D |
2.09 |
XG5 |
Fram |
Xtended Guard |
A- |
A |
C |
A |
C- |
3.49 |
OPH1218 |
Full |
n/a |
D |
C+ |
A |
C |
C |
1.89 |
HP-3002 |
K&N |
n/a |
B |
A- |
B+ |
A |
F |
3.02 |
PH1218 |
Luberfiner |
n/a |
C- |
C+ |
C |
C |
B- |
2.08 |
ML1011 |
Mann |
n/a |
B- |
C- |
A |
B |
C |
2.37 |
MGL9100 |
Microgard |
n/a |
B- |
D |
D |
D+ |
B- |
1.84 |
M1-302 |
Mobil 1 |
n/a |
B |
A |
A- |
A |
D |
3.27 |
FL12A |
Motorcraft |
n/a |
D+ |
C- |
B |
C+ |
D+ |
1.65 |
21060 |
Napa |
Proselect |
C+ |
B+ |
B- |
C |
A |
2.87 |
1060 |
Napa |
Gold |
C+ |
A- |
B- |
C+ |
C |
2.81 |
PG4631 |
Premium guard |
n/a |
D+ |
B+ |
C |
D |
A- |
2.34 |
PPL34631 |
Proline |
n/a |
D |
C- |
F |
D |
A- |
1.49 |
PO4011 |
Pronto |
n/a |
C+ |
C |
N/A |
N/A |
A |
2.04 |
L34631 |
Purolator |
Classic |
B |
B- |
C+ |
D+ |
B+ |
2.74 |
PL34631 |
Purolator |
Pure-one |
C- |
B+ |
A- |
B+ |
C+ |
2.63 |
30-1218 |
Royal Purple |
n/a |
A |
A |
C- |
F |
F |
3.09 |
S17 |
Shell |
n/a |
F |
F |
F |
F |
A |
0.44 |
S5 |
STP |
n/a |
F |
F |
B |
B |
B+ |
0.81 |
51060 |
Wix |
n/a |
C |
A- |
B+ |
B+ |
C |
2.82 |
Grades based off general A, A-, B+, B, B-, C+, C, C-, D+, D, F
scale |
A being the highest grade and F being the lowest. |
Better filteration earns a higher grade, better construction
earns a higher grade |
lower prices earn a higher grade, higher surface area and volume
earns a higher grade. |
Final grade is calculated the same as a GPA based on the 4 point
system |
The higher the final grade, generally means a better overall
filter. |
Catagories are weighted by importance, calculated weights are
listed in column heading |
Filteration and build quality are somewhat objective so you can
make your own judgments |
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