LB7: another case of injectoritis??? yea or nay?

birddog1968

New member
Feb 4, 2009
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Well just went and picked up my new 31 ft travel trailer...

I could always get a little smoke with no load but I had to stomp on it hard and then it was just some blackish smoke.

Well I hook up to the trailer and truck pulls it like nothin....good power. No smoke going up thru the gears in Tow/Haul....but when you let off to start to maintain highway speed (60-65) she is blowin smoke out the exhaust...kinda on the grey side from what i could tell...wasnt a little smoke, quite alot.....but only when trying to maintain highway speed especially going up a grade.


Ok so now i am ready....gimmi the verdict am i due for the big one?

Truck has 112000 and never had injectors....could this be a hole in the intercooler hose?


Ps.... I do put half a quart of 2 stroke and 8-10 oz of diesel kleen in with each tank but this seemed like way more smoke than a little 2 cycle oil could cause.


today- Well just took the truck out without the trailer...darn thing runs like a raped ape!!!

I am starting to think this truck might have a tune in it.....Ive only had it 6-7 months.
But it pulls so hard makes me wonder.

3/4 to WOT throttle rolling launch I can get some black smoke (not excessive) and it throws a small poof at each shift but no white smoke going from 15-80 mph as fast as possible.