Detroit Diesel Shell

Diesel Truck Poor Mileage?

1994 Chevrolet K3500 6.5L Turbo Diesel (Detroit Diesel)
- Dual Rear Wheels
- 189,000 Miles
- 4X4 ( I drive it in 2WD though)
- New Tires. Properly Inflated.
- Had Oil Changed Recently (used Shell Rotella 15W-40)
- 4L80E Transmission with Overdrive.
- New Green Lifetime Air Filter (very similar to K&N Filter)

This truck only gets 10 MPG city and 11.5 MPG on the highway just driving, not towing anything. I know trucks like this aren't known for their fuel economy but this stuff seems odd to me. The RPMs at 55 MPH is around 2250 RPMs. The RPMS at 65 MPH is around 2750 RPMs. This seems awfully high to me. Also, at 65 MPH (with cruise control on) it will go faster, then slow down. Then it will pick back up to 65, speed up over 65 and then go back down. It repeats this pattern.

Something seems wrong here. Any ideas what it could be? Differential ratio to high? Any suggestions would be greatly appreciated

Theres a dozens of possible reasons for poor economy, dirty injectors, worn drivetrain components, etc etc. It seems to me it should be getting better milage than that, so I would take it to a reputable shop and have it serviced.
You might consider the single most common reason for poor milage too, its also the simplest, low tire pressure.


The most recent auctions for Detroit Diesel Shell are listed below. If this page did not produce the Auction results you were looking for, conduct another search for Detroit Diesel Shell, but be very specific. Use the exact brand and model you are looking for. Detroit Diesel Shell Auction results are listed below, you can now search throught the results and find great low prices on Detroit Diesel Shell.

DETROIT DIESEL CONN ROD BEARING SHELL SET STD 5192895 DSA500 73 F 0773 COM 1 4
DETROIT DIESEL CONN ROD BEARING SHELL SET STD 5192895 DSA500 73 F 0773 COM 1 4
US $18.95
BEARING Detroit Diesel Shell Set V71 C s Std A 5149561
BEARING Detroit Diesel Shell Set V71 C s Std A 5149561
US $9.80
Detroit Diesel Allison Standard Shell Set NOS 5195929
Detroit Diesel Allison Standard Shell Set NOS 5195929
US $4.99
Detroit Diesel Oil Filter Shell p n5574008 w Baldwin Filter NIB Made in the USA
Detroit Diesel Oil Filter Shell p n5574008 w Baldwin Filter NIB Made in the USA
US $50.00
Detroit Diesel Shell Kit 8929670
Detroit Diesel Shell Kit 8929670
US $20.50
Detroit Diesel Shell Set 030 8922118
Detroit Diesel Shell Set 030 8922118
US $7.49
Shell Set 82 Detroit Diesel 10 Over Thrust Bearing
Shell Set 82 Detroit Diesel 10 Over Thrust Bearing
US $12.95
Detroit Diesel Shell Set Lot of 6 030 5149579
Detroit Diesel Shell Set Lot of 6 030 5149579
US $28.00
Detroit Diesel Shell Kit 8929680
Detroit Diesel Shell Kit 8929680
US $27.20
FP Detroit Diesel Shell Set Lot of 3 5149575
FP Detroit Diesel Shell Set Lot of 3 5149575
US $21.00
Detroit Diesel Shell set 002
Detroit Diesel Shell set 002
US $10.00
Detroit Diesel P Shell set New aftermarket 010
Detroit Diesel P Shell set New aftermarket 010
US $9.75
Detroit Diesel Shell set Size 030 5196663
Detroit Diesel Shell set Size 030 5196663
US $10.00
1 DETROIT DIESEL SHELL SET C R 030 V53 5197979
1 DETROIT DIESEL SHELL SET C R 030 V53 5197979
US $9.00
1 DETROIT DIESEL SHELL SET C R STD 5142662
1 DETROIT DIESEL SHELL SET C R STD 5142662
US $28.00
1 DETROIT DIESEL SHELL SET I 71 C R 002
1 DETROIT DIESEL SHELL SET I 71 C R 002
US $9.00
1 DETROIT DIESEL SHELL SET I 71 C R030 23511137
1 DETROIT DIESEL SHELL SET I 71 C R030 23511137
US $9.00
4 53 Detroit DieselGenuine 5ea Std Main Bearing Shell SetsPart  8924357
4 53 Detroit DieselGenuine 5ea Std Main Bearing Shell SetsPart 8924357
US $45.00
4 53 Detroit DieselGenuine 4eaStd Rod Bearing Shell SetsPart  5149452
4 53 Detroit DieselGenuine 4eaStd Rod Bearing Shell SetsPart 5149452
US $39.50
Detroit Diesel 23515581 Shell Set
Detroit Diesel 23515581 Shell Set
US $6.59
Detroit Diesel shell set New aftermarket standard
Detroit Diesel shell set New aftermarket standard
US $11.95
detroit Diesel Bearing Shell set 5196666 Aftermarket
detroit Diesel Bearing Shell set 5196666 Aftermarket
US $8.00
Detroit Diesel P Shell set New aftermarket CS 020 V
Detroit Diesel P Shell set New aftermarket CS 020 V
US $11.00
Detroit Diesel P Shell set New aftermarket C S V
Detroit Diesel P Shell set New aftermarket C S V
US $11.95
Detroit Diesel Shell bearing 5192880 Upper and Lower
Detroit Diesel Shell bearing 5192880 Upper and Lower
US $10.00
Detroit Diesel shell set 010
Detroit Diesel shell set 010
US $4.99
Detroit Diesel New shell set 050 in line
Detroit Diesel New shell set 050 in line
US $7.50
Detroit diesel shell set size 020 connecting rod
Detroit diesel shell set size 020 connecting rod
US $4.99
Detroit diesel shell set size 040 connecting rod
Detroit diesel shell set size 040 connecting rod
US $4.99
Detroit Diesel 82L Standard Main Bearing Shell Set
Detroit Diesel 82L Standard Main Bearing Shell Set
US $12.50
DETROIT DIESEL SERIES 60 SHELL SET 254mm PT  8929671
DETROIT DIESEL SERIES 60 SHELL SET 254mm PT 8929671
US $18.00
Detroit Diesel 82L 010 Con Rod Shell Set OEM
Detroit Diesel 82L 010 Con Rod Shell Set OEM
US $8.99
Detroit Diesel 82L 010 US ID Main Bearing Shell Set
Detroit Diesel 82L 010 US ID Main Bearing Shell Set
US $11.71
Detroit Diesel Shell Set Conn Rod 5196351
Detroit Diesel Shell Set Conn Rod 5196351
US $11.00
1 DETROIT DIESEL SHELL SET 149 C R STD 5198547
1 DETROIT DIESEL SHELL SET 149 C R STD 5198547
US $17.00
1 DETROIT DIESEL SHELL SET 53 C S STD INLINE TURBO
1 DETROIT DIESEL SHELL SET 53 C S STD INLINE TURBO
US $12.00
1 DETROIT DIESEL SHELL SET C R 010 V71 92 5149575
1 DETROIT DIESEL SHELL SET C R 010 V71 92 5149575
US $9.00
1 DETROIT DIESEL SHELL SET C R STD V71 92 5149572
1 DETROIT DIESEL SHELL SET C R STD V71 92 5149572
US $8.00
1 DETROIT DIESEL SHELL SET CRANKSHAFT 8V 53 5 STD
1 DETROIT DIESEL SHELL SET CRANKSHAFT 8V 53 5 STD
US $12.50
1 DETROIT DIESEL SHELL SET I 71 C R STD MFG KORODY COLYER NOS
1 DETROIT DIESEL SHELL SET I 71 C R STD MFG KORODY COLYER NOS
US $9.50
1 DETROIT DIESEL SHELL SET V53 C R 020 5197978
1 DETROIT DIESEL SHELL SET V53 C R 020 5197978
US $10.00
1 DETROIT DIESEL SHELL SET V53 C R STD 5197975
1 DETROIT DIESEL SHELL SET V53 C R STD 5197975
US $9.00
1 DETROIT DIESEL SHELL SET V71 C S STD
1 DETROIT DIESEL SHELL SET V71 C S STD
US $10.00
1 DETROIT DIESEL SHELL SET V71 92 C R 020
1 DETROIT DIESEL SHELL SET V71 92 C R 020
US $8.00
1 DETROIT DIESEL SHELL SET V92 C S STD
1 DETROIT DIESEL SHELL SET V92 C S STD
US $11.00
Detroit Diesel Crankshaft Shell Set C R Std
Detroit Diesel Crankshaft Shell Set C R Std
US $5.00
Detroit Diesel Crankshaft Shell Set C S Std
Detroit Diesel Crankshaft Shell Set C S Std
US $5.00
1 DETROIT DIESEL SHELL ASSY 5575893
1 DETROIT DIESEL SHELL ASSY 5575893
US $90.00
Detroit Diesel Shell Set NOS 5192859 Sze 030 inline
Detroit Diesel Shell Set NOS 5192859 Sze 030 inline
US $12.99
Detroit Diesel Connecting Rod Shell Set 5196666
Detroit Diesel Connecting Rod Shell Set 5196666
US $7.99
KC Detroit Diesel 5149556 Shell Set CS Standard Lot 5
KC Detroit Diesel 5149556 Shell Set CS Standard Lot 5
US $34.76
DETROIT DIESEL SHELL SET CONN ROD STD V71 NEW 5149572
DETROIT DIESEL SHELL SET CONN ROD STD V71 NEW 5149572
US $8.99
Detroit Diesel Connecting rod shell set new aftrmarket
Detroit Diesel Connecting rod shell set new aftrmarket
US $5.99
Detroit Diesel 71 Series 030 In line Bearing shell set
Detroit Diesel 71 Series 030 In line Bearing shell set
US $5.99
Detroit Diesel Shell Set NOS 5196348 Size 020 U S
Detroit Diesel Shell Set NOS 5196348 Size 020 U S
US $11.99
Detroit Diesel 5149579 5149108 Connecting Rod Bearing Shell Set 030 For 71  92
Detroit Diesel 5149579 5149108 Connecting Rod Bearing Shell Set 030 For 71 92
US $4.99
Detroit Diesel Engine Shell SetBEARINGROLLERTHRUST
Detroit Diesel Engine Shell SetBEARINGROLLERTHRUST
US $10.00
Detroit Diesel Conn rod shell set 5196667
Detroit Diesel Conn rod shell set 5196667
US $9.99
Detroit Diesel Shell Set Bearings 51966612 Size 020
Detroit Diesel Shell Set Bearings 51966612 Size 020
US $10.00

Products previously bought from this site:



DETROIT DIESEL CONN ROD BEARING SHELL SET STD 5192895 DSA500 73 F 0773 COM 1 4, Detroit Diesel Shell bearing 5192880 Upper and Lower, 4 53 Detroit DieselGenuine 4eaStd Rod Bearing Shell SetsPart 5149452, 4 53 Detroit DieselGenuine 5ea Std Main Bearing Shell SetsPart 8924357, Detroit Diesel Oil Filter Shell p n5574008 w Baldwin Filter NIB Made in the USA, Detroit Diesel Shell Set Bearings 51966612 Size 020, Detroit Diesel Conn rod shell set 5196667, Detroit Diesel Shell Set Conn Rod 5196351, Detroit Diesel Shell Set NOS 5196348 Size 020 U S, Detroit Diesel 71 Series 030 In line Bearing shell set, Detroit Diesel 5149579 5149108 Connecting Rod Bearing Shell Set 030 For 71 92, Detroit Diesel Shell Set NOS 5192859 Sze 030 inline, Detroit Diesel 23515581 Shell Set, Detroit Diesel Engine Shell SetBEARINGROLLERTHRUST, detroit Diesel Bearing Shell set 5196666 Aftermarket, Detroit Diesel Shell set Size 030 5196663, Detroit Diesel Connecting Rod Shell Set 5196666, Detroit Diesel P Shell set New aftermarket 010, Detroit Diesel Shell set 002, Detroit Diesel Connecting rod shell set new aftrmarket, Detroit diesel shell set size 040 connecting rod, Detroit diesel shell set size 020 connecting rod, Detroit Diesel New shell set 050 in line, Detroit Diesel shell set 010, Detroit Diesel P Shell set New aftermarket C S V, Detroit Diesel P Shell set New aftermarket CS 020 V, Detroit Diesel shell set New aftermarket standard, BEARING Detroit Diesel Shell Set V71 C s Std A 5149561, Detroit Diesel Allison Standard Shell Set NOS 5195929, DETROIT DIESEL SHELL SET CONN ROD STD V71 NEW 5149572, FP Detroit Diesel Shell Set Lot of 3 5149575, Detroit Diesel Shell Kit 8929680, Detroit Diesel Shell Set Lot of 6 030 5149579, Detroit Diesel Shell Set 030 8922118, Detroit Diesel Shell Kit 8929670, Detroit Diesel Crankshaft Shell Set C S Std, Detroit Diesel Crankshaft Shell Set C R Std, DETROIT DIESEL SERIES 60 SHELL SET 254mm PT 8929671, KC Detroit Diesel 5149556 Shell Set CS Standard Lot 5, Shell Set 82 Detroit Diesel 10 Over Thrust Bearing,