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porting and carb question


Mrtaterman

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i am about to put a bit of money into my bike, and i have called around to a few shops and i got really mixed answers on carburetion. two shops are telling me stock carbs will work fine, two shops told me i needed at least 34mm. when questioned about it, they both gave answers that sounded like respectable answers, 

if i could get some feedback from someone who has done this, or has any aditional info for me would be great.

my banshee has: vforce 4 reeds, fmf sst pipes ( will be gettting new ones ),  milled head ( will be getting coolhead with 18cc domes along with porting), and toomey intake

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  • 2 months later...

I'd recommend sticking with the 22cc domes. At least research the compression ratio with 18cc domes. You might get stuck with race gas to have it run right or as capable per the domes. I'm having Alba do an aggresive trail/dune port and .40 bore. Plus 34mm billet intake and 34mm flat slides. I also thought about changing domes but everyone I asked said stick with 22cc. Something to think about before you order. We also ride sand mountain and Saint Anthony's Idaho.

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