My buddy just picked up a very clean 96 HX. Big bore motor from WCM, buckshot carbs, R&D intake, R&D head, manifold, factory pipe, R&D grate, skat impeller, UMI steering, premix (32:1). Basically all that hasn't been done is hydraulic trim. I can't find it available on UMI or R&D. Is it still available or does he need to look used?



I tested compression at 176 and 178 psi. The guy he bought from said he mixes 93 octane and 108 octane 50/50. I know the compression is high, but will 93 alone not be enough?

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