Quote:
Originally Posted by Chris357
I would be a bit concerned that higher filtering might mean reduced oil volume at higher RPM due to more restriction. Probably fine for street only guys but if you track car at all I'd probably check and see what the track guys are running first. My hunch says most of them sticking with the PF64.
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I haven't independently confirmed this, but here are specs listed for each on Rock Auto.
The UltraGuard can flow up to 3 gallons more per minute than the regular and has a higher bust pressure.
https://www.rockauto.com/en/moreinfo...7oqnJvCg%3D%3D
https://www.rockauto.com/en/moreinfo...7oqnJvCg%3D%3D