You need to have more complete info , fill in what your truck is in your sig .
It reads like you are not informed on what is what , bio is processed , filtering into tank is running on WVO , not the same .
There are many reasons not to run WVO , more with a newer truck " 08 " , than older .
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94 SLT 4x4 2500 LB AT 3:54 KDP jigged MBRP 4" DiPricol T temp boost EGT Centramatics DSS adj track bar kit 245HP 597TQ Amsoil 15-40 DualByPass
bio diesel