Ich hab gerade einen interessanten Artikel von GM Truck Central gefunden.
Es geht um die Filtereigenschaften und Verarbeitungsqualität von gängigen Ölfiltern.
Man beachte die hochgelobte "Qualität" von AC_Delco
Bitte melden Sie sich an, um diesen Link zu sehen.
Wenn ihr ganz unten auf die Zeile "click here ....study" klickt, dann könnt ihr den Artikel ganz lesen und Details aufrufen.
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 | ||||||||