[1970judge]

Just for fun what does yall be runnin?

10w royal purple.

 

[chevy94c]

Mobil 1 10w 30

 

[ssweet97]

5w30 Royal Purple, every 3K.

 

[GriffZ28350]

10w30royal purple

 

[Phoenix57]

German Castrol 0w30, change every 4k

 

[BoltOnZ]

Mobil 1 Synthetic 10w30

 

[NviouSS]

5w30 mobile 1

 

[nostyta]

Castrol Syntech 10W40 & K&N oil filter.

 

[Jaberwaki]

German Castrol 0w30, change every 4k

x2

 

[gettinthere]

German Castrol 0w30, change every 4k

x3 :fluffy:

 

[F-Bobby]

Valvoline VR-1 change it every 4K

 

[Bawls]

Use to use Mobil 1, heard a few things bad about it, switched to german castrol + K&N Truck filter.

 

[Frosty]

German Castrol 0w30, change every 4k

That's what I was running but it's hard as hell to find now

For now 5w30 Mobil 1

 

[smoknta]

Kendall GT1 20W 50

 

[keliente]

regular castrol 10w30...

 

[Jpack]

Royal Purple 5W30

 

[Lights_Out]

:thumbsup: I use Amsoil Syntech 20w50!! :thumbsup:

 

[batmobile2000]

Royal Purple 5W 30 and K & N filter every 3000 miles.

 

[tbojbob]

was usin' RP 10w30 but I think I've found a small stash of GC 0w30 so I may change my RP habit...........

 

[CamTom12]

I use Castrol GTX 5W-30, every 2500 or so miles. I'd stay away from the truck filter, Bawls... My buddy Bain just drained his crankcase all over the highway a couple of weekends ago because he bottomed out and broke his oil filter...