Page viewing: Isuzu
Isuzu Info
 
The Isuzu engines I am concerned about are the 1.5 and 1.7.
1.5 & 1.5TD is fitted to the Vauxhall Corsa/Nova, 1.7D & 1.7TD is fitted to the Vauxhall Astra/Cavalier/Vectra.

The Isuzu diesel is indirect injection which means the injector delivers fuel into a pre-combustion chamber, glow plugs are needed when starting an indirect injection diesel engine.

The turbo diesel (TD) engine responds well to increased fuel and turbo boost pressure (these are inter-related), the injection pump has a boost en-richment device which increses fuel depending on boost pressure, increse the fuel = increse in boost pressure, standard the boost pressure is limited to 0.7 bar, with modifications 1.2 bar is achievable and safe/reliable. Details in the building area.
 
Engine Power
 
Engine
Capacity
BHP
Torque
1.5D 1488 cc 49 66 Lbs
1.5TD 1488 cc 66 97 Lbs
1.7D 1686 cc 57 77 Lbs
1.7TD 1686 cc 82 124 Lbs
       
Engine Info
 
Spec 1.5D 1.5TD 1.7TD
Bore 76mm 76mm 79mm
Stroke 82mm 82mm 86mm
Idle speed 830 - 930 rpm 830 - 930 rpm 780 - 880 rpm
Max RPM 5800 rpm 5600 rpm 5100 - 5300 rpm
Pump Timing 0.85 - 0.95 mm 0.63 - 0.73 mm 0.50 - 0.60 mm
Compression Ratio 23:1 22:1 22:1
Injectors 2 jet Pintaux,
ID NP-DN OPD N 108
2 jet Pintaux,
ID NP-DN OPD N 108
2 jet Pintaux,
ID NP-DN OPD N 122
 
Diagrams

Bosche VE Pump
Corsa picture
Bosche VE Pump
Corsa picture
RHB4 Turbo Maps
Corsa picture
RHF4 Turbo Maps
Corsa picture
RHF Turbo Specs
Corsa picture
RHF Turbo Chart
Corsa picture
RHF Turbo
Corsa picture