Lawhead

iTrader: (14)

Well want to do all the fluids on the car before the weekend.
and wondering what kind of oil yall use I have been using the conventional 10W-30 on the 153k mile motor. What You guys use in your LT1s??

lt1-xjs

Mobil 1 5w30

quik95lt1

iTrader: (7)

20w50 Valvoline VR1 in my race motor
5w30 Valvoline High Mileage in my 175K mile pickup
5w30 mobil 1 in my Bolt On LS2 GTO...........

personally i like the valvoline stuff its always worked good for me.....

hitmanws6

iTrader: (20)

M1 0w-40

1badzee

iTrader: (12)

10w30 in whatever is on sale

Puck

iTrader: (17)

Valvoline Durablend, recommended by my shop and supposedly better for iron blocks then the thin full synthetics like M1.

Lawhead

iTrader: (14)

Well with a thinner oil in all reality should help the motor performance wise.
But i want it to be good for the engine as well lol

AChotrod

iTrader: (17)

rotella 15w40

n2oblkz

iTrader: (1)

Mobil 1 in my LT1, my wife's Maxima and on all of my firearms!!

riceburnerZ28

iTrader: (20)

rotella 15w40

whytryz28

iTrader: (28)

Straight 40

MattSapp95_T/A

iTrader: (35)

Not to hi jack....but Mike what is the benefit of running that thick of oil? 20w50 VR1?


I currently run 10w-30 in my LT1 but that is just cause the motor is new I will prob swap...
Mobil 1 full synthetic in my 07 Avalanche..

Thanks!
Matt

Rob94hawk

iTrader: (1)

Probably the best oil ever for the track. Notice it's Zinc content:

http://www.redlineoil.com/product.aspx?pid=14&pcid=1

Stocker94z

Mobil 1 all the way.

sempire

iTrader: (5)

AMSOil in all my cars and bikes..

speed_demon24

iTrader: (6)

mobil 1 10w30 high millage

TAEnvy

iTrader: (2)

Im assuming some of these guys run thicker oil because they have non stock bottom ends and form what most builders have told me when you build an LT1 you open up clearance slightly as the clearances are slightly tight from the factory for a high rpm engine.

So when you open up clearances you run a thicker oil.

13lu91rS

iTrader: (1)

AMSOIL 5w30

richbrad08

iTrader: (1)

Amsoil everything i use!

SS RRR

iTrader: (2)

Those who use Amsoil, how long/many miles do you keep it in your engine?