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View Full Version : 400Ex carb on 300Ex... worth it?



honda300EXtreme
03-19-2007, 05:11 PM
like the title says i was wondering if the carb is worth it and how are the power gains, and can i make the stock inlet tube work?

please let me know your experiences with this set up

thanks in advance

2muchquad
03-19-2007, 11:10 PM
A lot of people will say its only worth it if you have engine work done but i put one on mine with just a wiseco hi comp piston and a exhaust system and it made a huge difference.I thought i would lose throttle response but that wasnt the case,i like it.:D

bwamos
03-22-2007, 08:41 AM
It's a pretty good upgrade even with minor mods.. With a lower level of mods it's just harder to tune because you're on the verge of it being too big.

But, with a big bore.. it's a great upgrade.

honda300EXtreme
03-22-2007, 06:18 PM
thanks for the input,
i was wondering cuse i have 1 lying around and was wondering if i should take the time to put it one i believe it will work good with my mods in my sig. buti wanted to hear from people with first hand experience, also did you guys have to do anything differnt with the airbox tube to the carb?

thanks

2muchquad
03-26-2007, 02:03 PM
the 300ex tube will work with abit of fiddling.once you have it on for a while it'll stretch to fit the 400ex carb easier.heat it up at first:)