Quote:
|
Originally Posted by Redwood
I've been a car nut for 30 years and have seen a lot of engines torn down. I would definately prefer Valvoline to Pennzoil. Maybe its all different now, but I remember Pennzoil used to produce a lot of sludge.  Redwood |
My opinion is to switch to synthetic at 226k miles my truck runs beautifully and Ive used it since the engine broke in.....
