Also, the RB is undoubtedly an interference engine. If a timing belt or chain snaps, the valves can enter into contact with the pistons, causing catastrophic engine injury.Still, the two are fairly comparable, along with the RB25 is admittedly no slouch. You can imagine the RB25 vs the RB26 as comparable to the 1JZ vs 2JZ debate. The RB25/1JZ are j