5w20's for fuel diluters

buster

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There wouldn't be a difference in fuel dilution, but there may be a difference in which oil maintains its viscosity better. That's a big maybe though...
 
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*How would the 5W30 look in the Valvoline Advanced Full Synthetic (perhaps better for a 5,000 mile OCI) ?
Originally Posted by Direct_Rejection
Valvoline Advanced Full Synthetic 5W20. KV 100 degrees cSt 8.1 KV 40 degrees cSt 46.5 HTHS 2.7 Density 7.1 TBN 9.3 Noack 7.6 VI 147 $23 5 qts at Walmart. Fumoto. I would use this oil with short OCIs. Base oil does appear to be all hydrocracked per density and SDS. How much do you value that high PAO content in M1 EP ?
 
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Buster, just put 1 qt 5w30 in the mix. Been doing this for years with the old subaru FB engine - except it was 10W40 viscosity booster in those. No need to tell anyone smile I ran that Advanced 5w30 in the Nissan. It was the best oil ever in there other than the "introduction batch" of 5w30 Magnatec Semi Syn. That was a special batch with special sauce. It was never the same.
 
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