06-19-2013, 09:53 PM #1
6660 rpms on 96xp, with solas 15/23 concord impeller, too tall?
I have a 96xp with R&D head 175 psi, i am currently running stock carbs/air box. I had a mid pipe injector issue and before clearing out a blockage, I was hitting 6750 rpms but running too hot with no water in the mid pipe, melted stinger coupler.
I fixed the problem, added a post 96 (shorter spx style) water box as well. I ran a consistent 6660 until fuel tank got low then i was hitting 6700 here and there. Compression is 175.
Should a Concord 15/23 impellar drop rpms this much on my set up? The water regulator is set flush.
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