Check your pump bypass. Burst on 99% of all filters made from any manufacturer in the US is nearly 200 psi of impulse pressure. Racing filters are ~400 psi.
I don't see a stock/oe engine blowing an oil filter. Sorry.
I saw a comment a few posts back about 10w-40 being detrimental to a slant. Does anyone care to elaborate on that? I was running 10-40 trop-artic in mine.