i just put a nissan sd 25 diesel in my mazda pu & when i started it smokes like u would'nt believe just bellows it out & dos'nt get any better when it warms up its diesel smoke not oil & it starts & runs realy good has good power what do u think it is any body got one of these that knows lots about them? & its not a leaking oil cooler
It could be one of two things, not enough air or too much fuel. Did you use the SD25 air filter and did you put a new air filter in it when you swapped the engine?
What did the engine come out of? If it came out of a turboed application and you are running it naturally aspirated it will be over fueling. The other thing that could have happened is someone has turned the fuel pump up. Some idiots like to roll coal. :shaking:
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