Why does my diesel engine smoke on startup?
According to Zack Ellison at Cummins, “White smoke is an indication of unburned diesel fuel. Normally, it would happen at startup in cold weather with lower compression engines and retarded timing. You get an incomplete combustion during startup and it causes raw diesel fuel to come out of the stack.”
What causes white smoke in a GM 6.6L Duramax engine?
A common issue with the GM 6.6L LB7 Duramax engine is white smoke at idle. Worn and damaged injectors are often the cause however there are other causes and considerations that should be looked at prior to injector replacement. INJECTORS STUCK OPEN OR WITH EXCESSIVELY LEAKING NOZZLES DIANOSIS 1.
When did the GM 6.2 diesel engine come out?
GM installed the 6.2 L diesel engine in light trucks and Sport Utility Vehicles between 1981 and 1993. The 6.2 L diesel is naturally aspirated, unlike the more recent 6.5 L turbo-charged diesel.
What kind of engine does a GMC blazer have?
Interestingly, the engine was offered in 1/2 ton, 3/4 ton, and 1 ton GMC/Chevrolet pickups, as well as Blazer and Suburban models.
What kind of transmission does a GM 6.2L have?
The original 6.2L came mated to either the TH400 three speed automatic, Muncie SM465 four speed manual transmission, or New Process NP833 four speed manual overdrive transmission. The 6.2 shares its bellhousing pattern with GM V-8 gas engines – a diesel transmission will bolt up to a gas engine with no modifications and visa versa.
GM installed the 6.2 L diesel engine in light trucks and Sport Utility Vehicles between 1981 and 1993. The 6.2 L diesel is naturally aspirated, unlike the more recent 6.5 L turbo-charged diesel.
Interestingly, the engine was offered in 1/2 ton, 3/4 ton, and 1 ton GMC/Chevrolet pickups, as well as Blazer and Suburban models.
The original 6.2L came mated to either the TH400 three speed automatic, Muncie SM465 four speed manual transmission, or New Process NP833 four speed manual overdrive transmission. The 6.2 shares its bellhousing pattern with GM V-8 gas engines – a diesel transmission will bolt up to a gas engine with no modifications and visa versa.
Is there a 6.2L diesel in the 1980’s?
A popular trend is to acquire an 80’s 6.2L diesel powered half ton and swap in a built gas engine. The 1980’s diesel chassis does not require any emissions inspections in states that require periodic inspections, and fans of the 1973 to 1987 body style can modify the trucks as much as they want without running into registration issues.