BakoBanshee Posted April 21, 2012 Report Posted April 21, 2012 Hey Fellas, I have been out of the Banshee game for awhile and I am wanting to freshen up my bone stock top-end. So I am thinking about boring out the jugs to 66mm(if memory serves me correctly it makes it a "true 370cc") AND ALSO getting them "Dune-Ported & Polished" by a site sponsor! Would it even be worth moving up from the stockers to 28mm for this type of top-end work? If so, I was thinking about slapping on some new 28mm PWK's at the same time to compliment the porting, but I remember reading somewhere about some shops being able to bore out the stockers to 28mm also. So, is there a difference in performance between these two carb set-ups? What are the pros and cons of each set-up? What shops specialize in boring out the stockers and where is everyone finding the best pricing on new "genuine/authentic" 28mm PWK's? Any opinions or thoughts? Thank you for any help! Quote
CFH87 Posted April 21, 2012 Report Posted April 21, 2012 Depending on pipes 28pwks are solid but I run shearers and 33pwks... My bike rips pretty damn good too. Quote
camatv Posted April 21, 2012 Report Posted April 21, 2012 just do what your builder says to. id say 30mm pwk's, 30/32 or 34/36 lectrons or stock. Quote
Infamous039 Posted April 21, 2012 Report Posted April 21, 2012 33MM PWK or 35MM PWK Airstrykers Quote
BigRed350x Posted April 21, 2012 Report Posted April 21, 2012 33 PWK's are a great carb. - Jared Quote
04_blu_shee Posted April 22, 2012 Report Posted April 22, 2012 I bolted on some 33PWK's on my Dune Ported juggs and it was a great addition compaired to the junk stockers...buy some 33's call Jeff at FAST Racing he will set you up Quote
possum Posted April 23, 2012 Report Posted April 23, 2012 I got 34's on my other dune port bike. I think it runs great. Quote
Chevy4life32 Posted May 6, 2012 Report Posted May 6, 2012 My 4 mil is bored to 66mm 370cc and i run 28pwks and get 77hp on my bike. I say dont bore your stockers, get some 28 pwks Quote
Strm Trpr Posted May 6, 2012 Report Posted May 6, 2012 My 4 mil is bored to 66mm 370cc and i run 28pwks and get 77hp on my bike. I say dont bore your stockers, get some 28 pwks Just a heads up... A 4mil w/64mm slugs is 373cc's. A 4mil w/65mm slugs is 385cc's. A 4mil w/66mm slugs is 397cc's. Each millimeter in bore diameter and a 4mil crank increases displacement by 12cc's. Quote
Chevy4life32 Posted May 6, 2012 Report Posted May 6, 2012 Just a heads up... A 4mil w/64mm slugs is 373cc's. A 4mil w/65mm slugs is 385cc's. A 4mil w/66mm slugs is 397cc's. Each millimeter in bore diameter and a 4mil crank increases displacement by 12cc's. http://www.wiseco.com/ProductSearch.aspx Check this out, the guys who made the pistons are not wrong, im not using blaster pistons. Quote
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