Who is your favorite racing motor oil?

5,557 votes
Royal Purple
 
25% / 1,415 votes
Amsoil
 
5% / 273 votes
Red Line
 
9% / 507 votes
Valvoline
 
6% / 306 votes
Penzoil
 
8% / 426 votes
Mobil
 
9% / 524 votes
Castrol
 
26% / 1,451 votes
Quaker State
 
3% / 187 votes
SynLube
 
0% / 13 votes
Hi-Tec
 
2% / 87 votes
Shell Helix
 
6% / 315 votes
Torco
 
1% / 53 votes


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