It depends on if you will be driving it in cold weather.
I personally plug all the filter bypass's and use a non bypass Wix filter. Wix 51060 it does have a anti drain back valve.
Been running the 65 Chevelle wagon this way since putting it together a few years ago.
If it is real cold (30-50), I try and let the engine warm up before taking off. I don't drive it in anything colder than that. If it did get driven that cold, a bypass filter would be used.
Last edited by tlowe #1716; 04/05/15 11:11 PM.
