slowpokebanshee Posted February 21, 2008 Report Share Posted February 21, 2008 I have p-6 dump tubes, and looking for the right needle to match? anyone w/similar setup? the needle from the old dump tubes won't fit the p-6? Quote Link to comment Share on other sites More sharing options...
slowpokebanshee Posted February 23, 2008 Author Report Share Posted February 23, 2008 please help......anyone???? Quote Link to comment Share on other sites More sharing options...
methyman Posted February 23, 2008 Report Share Posted February 23, 2008 (edited) What is a P6 dump tube? Edited February 23, 2008 by methyman Quote Link to comment Share on other sites More sharing options...
slowpokebanshee Posted February 27, 2008 Author Report Share Posted February 27, 2008 on tm series carbs (flat slides) the dump tube is the piece that the main jet screws into. and mates to the needle. different diameter/taper replacements are available, Quote Link to comment Share on other sites More sharing options...
slowpokebanshee Posted March 6, 2008 Author Report Share Posted March 6, 2008 anyone? anyone? Quote Link to comment Share on other sites More sharing options...
Fireroad Express Posted March 6, 2008 Report Share Posted March 6, 2008 dump tubes or "needle jets". the needle that slides inside the "needle jet" is called the "jet needle". but hey, dump tube sounds good too. check out my sig and see if your mods are similar. if so, the next time i pull my carbs,i'll have a look at the needle jets and see what # they are. if so, you may be safe with the same needle. if it rains tomorrow i might haul the carbs off for a look. the inside diameter of the P-6 tube is 2.680mm if that helps any. you also may want to contact Sudco,com. they have more up to date info on the needles available for the TM flatslide carb with that needle jet. Quote Link to comment Share on other sites More sharing options...
bonbon Posted March 6, 2008 Report Share Posted March 6, 2008 I pulled apart one of my carbs and I have 389 Q-2 dump tubes (or needle jets). I have 5FP17 needles. Don't know if that helps any I'll see if I can find some more info on them. Quote Link to comment Share on other sites More sharing options...
Fireroad Express Posted March 6, 2008 Report Share Posted March 6, 2008 better get slowpoke to post up his mods. the Q-2s are three sizes richer than the P-6s. that set up would be a kinda rich for what slowpoke is running . Quote Link to comment Share on other sites More sharing options...
bonbon Posted March 6, 2008 Report Share Posted March 6, 2008 better get slowpoke to post up his mods. the Q-2s are three sizes richer than the P-6s. that set up would be a kinda rich for what slowpoke is running . Yeah I saw that. I'm trying to figure out which needles will fit those needle jets. So far I am having no luck on it. I can't find anything that describes what the numbers on the needles all stand for. I can find a list of a bunch of needles for him at sudco, but they don't give diameters of them (that I could find anyway). I think his best bet is to call sudco and they should have a good idea. Quote Link to comment Share on other sites More sharing options...
Fireroad Express Posted March 6, 2008 Report Share Posted March 6, 2008 5fp17- series 5 needle with two tapers (indicated by the two letters), f= 1degree30minute taper, p= 4 degree taper . i think the 17 is some kind of production reference #. Q-2 -needle jet 2.710mm inner diameter. your needle is 2.51mm outer diameter before the first taper. Quote Link to comment Share on other sites More sharing options...
bonbon Posted March 6, 2008 Report Share Posted March 6, 2008 5fp17- series 5 needle with two tapers (indicated by the two letters), f= 1degree30minute taper, p= 4 degree taper . i think the 17 is some kind of production reference #. Q-2 -needle jet 2.710mm inner diameter. your needle is 2.51mm outer diameter before the first taper. How are you finding out the diameters? Do you have a chart or something that shows them. I remember sometime I found a chart that showed all of that and what needles to use with what needle jets. I just cant seem to find it again. Quote Link to comment Share on other sites More sharing options...
Fireroad Express Posted March 6, 2008 Report Share Posted March 6, 2008 yep, i got a book. it is way out of date but it just happened to have your needle in it. it doesn't have any compatability charts for needles and needle jets though. Quote Link to comment Share on other sites More sharing options...
slowpokebanshee Posted March 12, 2008 Author Report Share Posted March 12, 2008 as for mods..... basic bolt on stuff.... +8 timing (plate ) shaved head (.030") drag port T-5's wisecos 1 or 2 bores bigger than stock, I forget lightened flywheel stock reeds stock carbs w/ 300 mains should I just convert these carbs to alcohol? Quote Link to comment Share on other sites More sharing options...
slowpokebanshee Posted May 17, 2008 Author Report Share Posted May 17, 2008 well anyone want to buy these carbs, I am tired of researching them, and will just buy some keihn 33 mm carbs I guess and be done with it, since everyone seems to know them better Quote Link to comment Share on other sites More sharing options...
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