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Thomas

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  1. Sorry to say not finished with the project yet. Everything takes time.. If the stars align it will be completed this summer.
  2. I understand your point.My concern is driving through city/traffic.With my other engine that is not big-bore but still very tuned it was getting very hot.Specially after some spirited driving.I'll add an extra (head)cooler but where and how i have not decided
  3. Nah, a dyno chart published will only cause a debate about mine is bigger than yours blah blah or that dyno is not correct.Not for me. If you really want to know you can ask @ mattebusa)
  4. Some more questions.. The engine is finally done and been setup on the dyno. As it is big bore it has external lines for the head cooling and lube. My engine builder had some concerns about the oil pressure. If i remember correct something about original oil routing has ”restrictor” but my external oil hose has not also the yoshi cams has the added lubing through the cam shafts themselfs. any thought’s on this? He was actually not very happy with the exhaust cam lift, to mild in this so called stage 2 kit. But thats another story. Still a lot of work needs to be done on the bike,primairly sort additional cooling and i think ill install an electrical fan.
  5. I have decided to try the yoshi stage 2 & their spring kit. Everything possible done to the head otherwise so why stop now .... From what i have been told/read yoshi has very high quality on the materials, fingers crossed. Does anyone know what compression yoshi recommend with their cams? I was going to send them an email and ask but cant find any adress.
  6. Thanks,yes i finally figured that out myself. I will most likely order the stage 2 and the springs but damn the price on the spring kit. Looks like “performance parts ltd” have it in stock. The compression has not caused any problems, the engine builder runs a lot higher on the dragbike engines he has done before. well except it runs pretty hot,hence adding another cooler.
  7. Whats your setup otherwise? Thanks
  8. Yes the webcams were just to much, i guess i was blinded by my wish for hp.. Anyone knows the yoshi stage 3 specs?
  9. Hi im looking for the collected knowledge in camshafts for my restomod/tribute/replica build. Obviously i want as much horsepower as possible but needs to be streetable. so far the engine (1052 block) is ported by a skilled engine builder,oversize valves, 13,6 compression yoshi exhaust,dyna ignition,fcr 41. initially we tried cams from webcams (don’t have exact specs handy ) and heavy duty springs but i doesn’t last. Camshafts pitted and springs broke after max 800km last summer. And yes i knew it was a gamble without extended hardweld rocker arms. Anyway is yoshi stage 3 including their springs still sold anywhere? And does anyone know the specs on those? where do you guys go to for camshafts? Im having trouble finding a good supplier. Im also adding another oil cooler for next season,and planning on a little milder cams to get it a bit more reliable. the cams we used had a bit extreme lift for street use, whats your experience,what works? thanks for your input!
  10. Now two answers pointing in opposit direction i guess i can try springs only first and if it slips go for the lock-up.
  11. Hi My 1316 is soon ready from engine builder,its based on a 1052 and built for max hp. (ported,bigger valves,cams,hi comp,wiseco,keihin41,yoshi pipe,dyna ignition) I have yet to decide on the clutch as i think it wont last long.. As this is nothing new i would like to hear what the best way forward is,there must be many here that been there done that! Been adviced to convert to a 1127 clutch but then i need a gearbox as well? Or lock up clutch? I will use it on the street and just race with buddies for fun! Pic from last summer with 1166 (?) engine. //T
  12. Its for one of those,pic for attention...
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