Heavy Duty Engine Oil (HDEO) - Diesel Vehicles

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Widman's 4-way visc calc is down?
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17
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14K
jstutz
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Schaeffers 5w-40 or 15w-40?
2 3
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42
Views
19K
07GreyLBZ
ARMY_Guy
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M1 TDT
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5
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3K
greenaccord02
buster
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New Rotella
2 3
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50
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72K
pavelow
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Diesel Volkswagon Dealer Fill
2
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22
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13K
pavelow
Thermo1223
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Opinions on Castrol Edge?
2 3 4
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78
Views
96K
Mokanic
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which oil to use in 06 Titan?
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15
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13K
Scienceman
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What is API "DS"?
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12
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12K
Doug Hillary
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Can CJ-4 Rotella clean as well old CI-4+?
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7
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3K
Johnny
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Ford Dealer: 10W30 HDEO = 46.56/12qt case$!!
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8
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4K
dnewton3
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Question about changing from PCEO to HDEO
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4
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3K
mdocod
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VW TDI PD: UOA PQ-index trend?? Anyone??
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3
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2K
Pablo
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Conoco HD Fleet Supreme 15w-40 CI-4 Plus
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0
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2K
sdan27
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Rotella 10w30 dino (T3) below 0F?
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16
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11K
Nederlander75
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96 F350 7.3 PSD
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11
Views
4K
GilroyRacing
salesrep
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Group III in the marketplace?
2
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22
Views
8K
tdi-rick
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1994Chevy Truck 5.7L Oil Question
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10
Views
3K
Mokanic
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OCI diff between Rotella T6 and Delo LE in gasser
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2
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2K
lipadj46
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Mobil TDT 5w-40 and Shell Rotella 5w-40
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19
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13K
Powerstroke
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Mobil 1 TDT vs Mobil Delvac 1 ESP vs Rotella T6
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16
Views
41K
Powerstroke
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Needs Advice on Engine Oil
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8
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10K
m37charlie
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Engine oil temp
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9
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3K
Gator
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15w40 in winter?
2 3
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56
Views
78K
Tornado Red
AceyMan
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Inquiry for 1995 Chevy 350 TBI with 218K
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10
Views
19K
wapacz
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IDO premium motor oil?
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7
Views
4K
bigredgrizzly
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Caltex Distribution Specs for Delo 400 in Aus.
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6
Views
10K
m37charlie
D
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what oil for 1980 350 chevy 3/4 ton 4x4
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8
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9K
pavelow
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Oil Pan heater use
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14
Views
28K
pavelow
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Best oil for 1977 Chev motor home with 350 engine
2
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20
Views
11K
pavelow
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Synthetic in a 2000 Ford F350 7.3?
Replies
11
Views
11K
Jaymus
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