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claude on a running engine i cant see the temp being much higher than 5* with pc like you say. because the primary majority of waste heat is carried away by water and likely very little heat is shed through radiation. with the engine off i think its only cooling would be radiation so IF the pc was a great heat blanket then i suppose maybe the cylinder would stay hot for longer. but i cant see one drag run creating so much heat that the cooling system cant cope and it needing excessive cool down time. operating temp should only be around 130* for gas or methanol.

since when does being a builder make you knowledgable in any subject? any yahoo can self proclaim the title of builder. actually you dont need to know much about engines to know how thermaldynamic stuff apllies here, which blows your builder comment out of the water. while im thinking of it how many so called builders around here have any formal training in the working principals of a 2t engine ?

this sounds somewhat plausible. im sure most of the heat is carried away via the water but there would be some radiant heat dissipated through the exterior of the cylinders but how much is the question. since theres no fins on the cylinders I would say theres not much heat shed through radiation. how much of a thermal insulator the PC is would be the other question. even if it was a great insulator, im doubting theres much heat dissipation through the cylinder exterior walls anyways. so I would guess the PC wont make a huge difference in engine temps but maybe im wrong

I bet you could slice it with exacto knife and super glue it back together. remember you heard it here first

got some for my '16 ram from carcovers.com iirc. cant even recall the price but theyre decent

whys everyone obsessed with how far they can advance the timing?

a lot of dirtbikes use the rubber pieces with internal threads, some exactly the same style as claudes, some are slightly different but same concept. the main thing that breaks down the rubber over time is when the pipe bracket is not parallel with the rubber isolater. one edge of the rubber is being compressed and the other edge is being pulled apart if that makes sense

29l might be that cheap shit from ebay. wang?

hmm I wonder if that's why so many cases end up with chain wack . seems perfectly plausible to me

devcon is expensive just to use a small amount and if the remainder isn't stored correctly it goes to shit. seems like shelf life is only 1 or 2yrs in factory sealed container so you can imagine after its been opened

iirc windows live movie maker can cut out all the nonsense and edit the gopro video to only the important stuff. if your computer has windows7 or above you should have it already installed im sure. been a while but it seems that's how I was doing it

these diferences are miniscule and could have several explanations why. bore diam and casting variances are two i can think off top of my head. oh and dont forget human error of the measurments

seems alot of tss around here. are they new original ideas or something 'borrowed' that others have already tried ? its not everyday that someone can lay claim to a new concept in 2stroke tech. which leads me to believe tss may be nothing more than a new twist on someone elses idea thats already been tried or rather a copy of someones ideas applied to a different engine. neither of which is tss in my book

porosity happens when theres contamination in the puddle. likely those shops havent welded on old cylinders much. theres a different aproach than new material

if I ever let it go ill let you know

I have one '03. if I ever decide to let it go ill let you know

from walmart get a house candle and run the bit in it every so often. cuts a lot better https://www.walmart.com/ip/Mainstays-6-Unscented-Pillar-Candle/16783708

im gonna start making instructional videos and sell it to you guys. welding up holes is not hard even if its large hole the size of a dime.

dumb fuks make a mountain out of a mole hill. pretty sad

anybody that makes a big deal of that little hole has obviously never welded before. good night john

hahaha u must not of seen my ktm or driveline cylinders. that little hole doesnt amount to a pimple on a horses ass. take longer to plug the machine in and turn on the gas

that could be welded easy. do it quick and dont pour a ton of heat to it any longer than necesarry or the casting pulls away from the sleeve and you risk warping the thin area of the gasket surface. between 5-10sec and it be good to go

your not mechanically inclined I take it. clean the area alittle with a dremel if you have one. if not no big deal. put piece of tape on back side of hole, mix alittle jb weld with screw driver or something and fill up the hole, done. local machine shop would probly weld it free if they already have their tig machined fired up

lightweight you say ? I bet jt will be all over this just give him a min to chime in

nobody hates china worse than me. chinese tools will never be in my garage. pay 2x more for same made in usa bits i dont care