Re: Why would oil pressure get higher?
Actually, Dale, filters for Chevys never had by-passes until the 2006 Z06. In the past, Chevy build the pressure by-pass valve into the engine block/filter adapter.
When the Z06 went to the dry sump oil system in 2006, it used a different oil filter (PF48) with the pressure by-pass valve built into the filter. All Corvettes changed to that filter in 2007.
People changing their own oil/filter on C6 Corvettes should stay on their toes. While the new filter (PF48) is supposedly not interchangeable with past filters (PF46, et al), the two thread sizes (13/16" vs. 22mm) are very close...I guess I'm not convinced a dedicated, enthusiastic lube monkey couldn't make it work.
Actually, Dale, filters for Chevys never had by-passes until the 2006 Z06. In the past, Chevy build the pressure by-pass valve into the engine block/filter adapter.
When the Z06 went to the dry sump oil system in 2006, it used a different oil filter (PF48) with the pressure by-pass valve built into the filter. All Corvettes changed to that filter in 2007.
People changing their own oil/filter on C6 Corvettes should stay on their toes. While the new filter (PF48) is supposedly not interchangeable with past filters (PF46, et al), the two thread sizes (13/16" vs. 22mm) are very close...I guess I'm not convinced a dedicated, enthusiastic lube monkey couldn't make it work.
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