Isuzu 6BD1 - 1977 GMC
1977 GMC 1-ton Crew Cab Dually
Isuzu 6BD1 Turbo Diesel
August 1999
By John Culver, Member #487
Engine Isuzu 6BD1, Isuzu's 6B engines, I was told, are the most popular Isuzu engine made, possibly world wide #1.
Here is a basic description of my truck.
- Bore X Stroke: 4.02" X 4.65" 102X118mm
- Displacement: 353cid 5.75L
- Compression ratio: 17.5:1
- Dimenions: LXWXH 44.1"X25.5"X30.5"
- Weight: 992 lbs
- Oil sump capacity: 14 QT
- Injection pump: In-line Bosch A Type
- Injector: multi hole Direct inject
- Pop pressure: 2630 psi
- Compression pressure : 441 psi
- HP: N/A 130@3200 10BTDC 150@3200 20BTDC 52.7mm/ stroke
- Torque: N/A 253lbs@1900 275@1900
- Transmission: NP433 in NP540 case
- Ranger 2spd mounted in front of NP540 (I can split all gears including reverse)
- Turbo: Air Research T04B80
- 8 lbs Boost @ 65mph on level ground no load
During a trip to the Oregon coast last summer with this truck and an 11-
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