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I'm using 1qt every 300-400 miles when using 5w30 Castrol Syntec or Mobil1.
After switching to Shell Rotella 15w40 i'm up to 1qt every 1,000.


Glad I dont have an oil burner. I've been using Mobil 1 5w30 since I bought it last year and mine only uses about 1qt or less per 3k miles. I would like to use Amsoil if it wasnt such a pain to get. Since I dont do my own oil changes any more its just easier to go with Mobile. I have Amsoil in the tranny and xfer case though.

--Dave

1999 Rodeo LS 3.2 4x4 5 Speed
32x11.50-15 BFG T/A KO on US Wheel 94 series
3" Lift - Rancho 9000x
Rear No-Slip Locker
Flowmaster 50 series SUV 2.25"

There is a very fine line between "hobby" and "mental illness." - Dave Barry