Toecutter Posted July 1, 2007 Share Posted July 1, 2007 I've read that different length velocity stacks on triple carbs can change the power band. I'm thinking of using the Ramflo filters I have in a cupboard on my triple Delorotos. Do people usually have the velocity stacks under filters or just bolt on the filter and housing? Quote Link to comment Share on other sites More sharing options...
Enzo Posted July 1, 2007 Share Posted July 1, 2007 Hi Sulio, Your right. Ram Tubes; Air Horns; Velocity stacks ( call them what you will )should always be used on any modified engine.The short length are usually for high RPM's and the longer ones for mid-range response. Datsun uses them on the original aircleaner housing for the Hitachi/Su. I use short ones (red anodised ) from redline with Redline oiled socks inside an alloy cold air box. By the way. After seeing your photo of the Dellortos with what looked like a takeoff point for the dizzy vacuum , I took off the front carb and drilled it for vacuum. Worked well. If you are going to use Ram Tubes under an air cleaner have at least 1" clearance between the end of the tube and the air cleaner plate. Regards David. Quote Link to comment Share on other sites More sharing options...
zedevan Posted July 1, 2007 Share Posted July 1, 2007 do the setup that some new bike engines have where basically velocity stack extensions are moved into place when needed the headlining modification to the '07 R1 is the Yamaha Chip Controlled Intake (YCC-I). The pioneering design allows the R1's intake snorkels to change position relative to the engine rpm, making more torque on the low end and maximum power up on the top taken from http://www.motorcycle-usa.com Quote Link to comment Share on other sites More sharing options...
Toecutter Posted July 1, 2007 Author Share Posted July 1, 2007 Thanks guys. Yer the tubes are'nt cheap at $70.00 a pair hey + soft mounts I need. Just bought a linkage kit though so getting there. Interesting concept Evan, simple hey! Quote Link to comment Share on other sites More sharing options...
JP240z Posted July 2, 2007 Share Posted July 2, 2007 Keep us posted on how you go linking the linkage kit to the original throttle linkakes. It can be quite hard getting it perfect so that you have full throttle at close to foot-to-the-floor. Quote Link to comment Share on other sites More sharing options...
Rod F Posted July 2, 2007 Share Posted July 2, 2007 Have you got a synchroniser Sulio? For triples you'll need it! Quote Link to comment Share on other sites More sharing options...
Toecutter Posted July 2, 2007 Author Share Posted July 2, 2007 I can borrow a friends, thanks Rod. Quote Link to comment Share on other sites More sharing options...
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