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In my experience, the stock intercooler fades quickly to about 77 (from a peak of 80) after heat soak. I assume you already drilled out the 4 way splitter line to the intercooler. The best way to...

Nice diagram. GIO seems to be more an issue of the engine temps not reaching optimal operating temperatures in cooler climates.

I think I figured it out after reading the Riva instructions. Stock configuration: there is either one or two "T" fittings after the 4 way splitter depending on the type of oil cooler you have. ...

Does anyone know why Riva connects Fizzle output to the oil cooler input? It seems more intuitive to just dump the Fizzle output directly to the right side pissers to get the greatest flow. Then...

2017 GP1800: Stage 1 plus, ribbon delete, breather, 13/18 solas prop, ultimate cold air intake, riva ride plate

Top speed 81 mph, then 77-78 after heat soak. I'm also considering going to stage 2...