There is a thread on here about the RX8 filters and threads that talk about them and other oil filters.
I'll just stick with one of the name brands.
Yea...I agree you should check the gap any ways. I did when I put new plugs in the new short block.
199,000 May 12 new ej257 short block, Aug 11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
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