Ford's answers to the NHTSA 6.7 Investigation
There was a request for a link to Ford's answer's to the NHTSA investigation posted on a previous thread, since closed. Here is the link: Ford's NHTSA Answers to the 6.7 investigation This PDF i...
Forum Discussion
durallymax wrote:
if they are blowing black smoke then a lot of the fuel is obviously exiting the engine, however excess unburned fuel will cause cylinder wash
The GM warranty post had a rather good discussion of what it took for GM to improve HP / Torque output without compromising engine life.
