Quote:
Originally Posted by aerohead
A) it would be helpful to know GM's motor oil recommendation for 'winter' operation.
B) does your transmission use DEXRON-II ATF ?
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Thanks greatly, guys! I'll answer the questions as soon as I can. The truck is garaged 20 mins. away right now..awaiting repair of a slow fuel leak near the top of the tank (tank? lines? fuel pump?) -- it will be into the shop for that on the 10th -- after that I can drive it again and start testing, etc. to provide those kinds of baseline answers.
I will do the warm-up as you specify, aerohead.
For the things I can answer now:
A.) 5W-30 is what I can find in references online
B.) ATF orig mfr spec: Dexron III (4l60E transmission)
C.) Rear Diff 3.73 ratio, GT4, orig mfr. spec: 80-W90 GL5 (not an LSD)
D.)Tires: P265/75R16, (I'll measure actual OD when back at truck)
E.) Tire types: Possibly, I'll have to check what I have now, not sure.
F.) I don't think the K is taller than the C. But not sure.
G.) I don't know actual curb weight, labeled GVWR is 6200, saw conflicting curb weight figures online.
H.)Will actually measure HxW. I believe the GMT400 (mine) series is sleeker than C/K10 series.
Thanks for all your info!