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what oil do u run???

14K views 129 replies 97 participants last post by  DewRonInc 
#1 ·
bin using royal purpal 10 40 on 408 sbc 13.5 compresion like 600 hp but its getting real expensive..seen some use valvoline racing vr1?? is this good oil on race engines?? stuff is realy well priced thanx
 
#111 ·
I have some lucas 5w-10 for sale cheep we used to run it now have a deal /sponcer with another brand.......1/2 off of what we have left....Stuff worked bad asss.
 
#123 ·
Fully synthetic or semi synthetic don't matter when you use them.
Most big dollar performance cars have synthetic oils in the engine from day 1.
The word "Semi synthetic" can be misleading.
Semi synthetics are just high end group 2 base stock oils mixed with a group 3 base stock, with a fancy name.
Some oils that are called full synthetics are made using group 3 base stocks.
Other full synthetics are made from pure group 4 PAO base stocks.
 
#127 ·
Currently, my hemi is full of Mobil One synthetic...what I've always run in it.
My wedge motor has Rotella in it. My dad's 6 pack 440 has Valvoline VR1 in it.
All 3 are in perfectly good condition, lol.
 
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