- Nov 28, 2021
just bought a k2500 Suburban, has been modified to 6.6l from 6.0 vortec, and a Magnussen supercharger installed...........question is, does anyone have a similar setup, and what oil do you run? Weight? etc.
original engine was lq4 6.0, block and internals modded to achieve 6.6l, so the oil spec was 5w30, fyi. Not newer l8t 6.6Step up one grade over what was recommended in the owners manual.
If it took a 5w30, use a 0w40.
gauge reads 7-9 psi or so at 2500-300, have not really got on it real good yet, not sure of the tune, or how well. John West out of Raliegh built the motor, and his son did the tune to my knowledge. Older vietnam vet put 25000 plus in the truck, then died. Wife selling through broker........got it for 15700.Rotella T6 5W-40 and if in warm climate Rotella 15W-40 T4. How much boost and how well tuned is the rig?
I am running T6 5W-40 in a mild cam LQ4 get about 38-40 psi hot idle and 55 chumming down the highway doing 65+.
I'm running M1 FS 0W-40 in my 6.0l.original engine was lq4 6.0, block and internals modded to achieve 6.6l, so the oil spec was 5w30, fyi. Not newer l8t 6.6
Which One? Supercar, ESP 3X, FS?I would use Mobil 1 0W40.
Which One? Supercar, ESP 3X, FS?
I didn't like the OA of the reformed FS looks like a HD diesel lube with tons of Magsul. Don't like big magsul in gas engines.
Whats Supercar look like? Same as 3X?