I have a friend looking at '99 f350 with the 7.3. It has full exhaust, intake and Bully Dog programmer. When he test drove it it blew black smoke but once it warmed up he said it blew white smoke. What does this normally mean?

 

Not too sure, but possibly an injector going, or coolant leak.

 

there's a new Pope! (or a leaking injector)

 

Obscure but cute.

 

not a lot of Catholics 'round these parts?

 

head gasket

 

If he's a real friend, tell him to stay far far away!

 

What he said . If it's just a light/quick puff it could be a bad injector. Could also be just from dirty oil. I had this once in my Dodge and my old Ferd, a bit of Marvel Mystery oil and an oil change cleard things up good as new.

 

Spoon fed Catholic here.

 

would it not be politically correct to start a DTR, Catholic, G56, Line-X, club?

 

raw fuel or coolant

 

I'll be #1 but only if you add Smarty.

 

means i'll have to swap out my BDTD for a Smarty- man, joining these DTR clubs can get expensive!