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Certainly worth a shot. Its not a big cost so I would give it a go for sure.
I think I will be doing the same to mine soon. I also have a hi flow water pump. I have just fitted a UFI radiator, larger 2 core copper jobbies, added more oil into the viscous fan clutch so it engages earlier, and change my fan to an Infinity G35 fan. Haven't taken it for a test but I might do today...
Air flow is paramount of these motors. See the big gap you have between the top of the rad and the support panel? This needs to be blocked up. Same goes for the sides. Otherwise at high speed, where mine usually gets hotter, the fast moving air just hits the rad and goes out the top and sides, and not through the rad.