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Old 10-18-2012, 09:09 PM   #1572
flyboy1100
Scooby Specialist
 
Member#: 314216
Join Date: Mar 2012
Location: ND
Vehicle:
2012 2.0i Sport 5MT
DGM

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Quote:
Originally Posted by 79letour
No. Its bad to put in 6+ quarts.
I've been reading threads on the Scion FR-S forum/site and those guys are having all kinds of qc problems.
But MANY of the fr-s/brz crowd ARE running 5w30 full synthetic and having good results.
I think the 20wt is just too thin. For stone cars it is ok, i just don't think these motors are built to tight enough tolerances to actually spec the 20wt. The end difference between 20 and 30 isn't much, 40 is a huge step however
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