best mod for throttle response of 400

I have a 98 400f and have been reading through the mods, and wondering what is best to eliminate the bog under quick acceleration, I have already jetted carb, but it seems like no matter what I do it still has the bog. Only time I notice it is when I'm log/rock hopping and i need to blip the throttle. I have a zip ty but no quickshot.

A newer carb do the trick. I put a 2008 on mine, it runs perfect.

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