Quote:
Originally Posted by mechman600
You are not suggesting that a Cummins Big Cam was a clean engine, are you? 
I shudder to think of the amount of hydrocarbons emitted every single time one of those started up cold. So much smoke that we had the fire department show up at work one time. The later STC versions weren't as bad, but still.... |
The low compression, altough makes it easier to start it up, takes a longer time to get the operational temperatures and stabilizing the idling...