All these bolt-ons in 48 degree temperature tonight and BANG, BOOM (drum roll please), ******* 15.0-15.1 all night. Traction actually for once was a problem, 2.3's every time in 60 ft compared to my usual 2.2's. At first, I was aiming at try for a 2.1 but found myself hunting just for 2.2's tonight.
Before anyone goes to adding aftermarket products, please consult me first so that I can save you tons of money!
I took Granetelli Mass Air sensor off and replaced it with stock sensor. The truck runs alot better for normal driving, but possibly a little less power in the low end. No more slight misses or wanting to go dead for sucha low idle when coming to a stop.
Oh I did run a 13.9 after I waited to spray after the 330 foot mark! What could have it been?