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About RC876

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  1. RC876

    Header Heat Wrap

    Ceramic coating works well. I have parts coated allmost daily in my other business. If you have it coated inside and out in black it does well. The main reason why we dont do it on our bikes much is that pretty much every Ti pipe we have to weld monthly if not more. I was working on the fix to the header wrap issue a few years ago and got sidetracked. I have prototypes. Over the past few weeks I have been looking at this again. this i an area that can be adressed with good results.
  2. RC876

    stroking a 4 stroke?

    This consists of dismantling your engine and sending the crank and cylinder out to be stroked and bored. There are different issues with each different model. Some you can stroke and bore without no other modifications. Some models take case mods depending especially on big you bore it. Then we get into stroke/rod ratio and some models needing a longer rod after stroking which should be addressed. Anyone who is looking for more overall power I allways suggest to have proper head work done. A professional spending time there will make more power than a big bore/stroker. It would be cheaper and more reliable also. Then if you decide to bore/stroke it the bike would be a beast. Take note of some of the reputable builders that offer help on this site. Billy Bob with a die grinder he purchased at the flea market will make your bike slower.
  3. RC876

    headgasket question??

    As long as none of the sealant rings are bad then copper coat it and put it back on.
  4. RC876

    how to pit board

    Smooth Smooth is Fast Breath Hack em down Now! Try Golf *Before Corners* (rider must know that this means be back on the gas before they enter the corner) If your serious about pit boards then make sure you talk about it with your rider before hand. Have 4 to 5 things to write that both of you know to keep down the confusion. Make it short and simple.
  5. RC876

    weird oil bolt findings.

    Its most likely that the oil hasnt been changed in years. You may be suprised but I have met some people who dont change their oil but just add when needed. The only way to know whats going on is to change it and have a look at your next oil change.
  6. It is very unlikly you will have an immediate catostrophic failure unless your riding motocross or doing insane outdoor jumps. You mentioned an easy trail ride. If thats the case then you will be fine. Just take a look at it every once in a while. If it grows alot then put it on the trailer. Norman
  7. RC876

    bent radiator "?"

    Mylers does very good work and are reasonably priced. Bends, like one on the outside edge arent easily fixed. If its not bad and not leaking leave it. Because your gonna bend it again next week anyway. If you twist a radiator this isnt so hard to fix. You can place one tank at the edge of a solid bench and get a friend to hold it there. Preferbally a "big" friend. Then just take your hands and twist it back. If no help is available then lay the tank at the edge of a bench. Take a 2x4 and place over it. Notch it out if necessary. Then put a C clamp at each end of the board and clamp it snug. Then I usually get down on my knees so the tank is eye level and my hands are on the tank at eye level. Then just twist like hell. You can actually straighten when its not twisted but the problem is the tanks are not inline. Take mores effort though. I have never seen one start leaking from doing this.......... Norman
  8. RC876

    Weld on clutch cover?

    If you decide to have it welded here is a few things to make it cheaper. Degrease the cover well paying attention to the crack. Bead blast or sand paint off atleast 1.5" around the place to be welded. Also blast or sand the inside at the same area. Blow off with air hose then spray the crack well with brakeclean or rinse well with laquer thinner. Do not "vee out" or die grind the crack Take to your local welder and ask him to weld it. Tell him how you prepped it. If he comes up with some outrageous price look at him like he is stupid. Give him like 20 bucks max. It would take a competent welder less than 3 minutes to die grind and weld this area if he is set up on aluminum. If I was on aluminum and you came in with this I wouldnt let you pay me for welding it. if you brought it in dirty then I would make you take it and clean it or wait a day before I cleaned it. Warpage isnt an issue at all. have a wet rag and immediately cool the surrounding area (not the weld).
  9. RC876

    Have to be 18 to buy SeaFoam?

    Think of it from a retailers point of view. Having to worry about someone parent suing them because their kid decided to huff on a can of something they bought at walmart. We are now living in a blame everyone but yourself state.
  10. I do agree that their is a misconception and that people many times are looking for lower coolant temps. I for one think that people should be more concerned about overall engine temps. Especially when it is common to have overall engine temps on offroad motorcycles 100f higher than the coolant temps. I Do not agree with the scenario of lower head temps and higher coolant temps. Though, this would be the case if we had an engine running at full temp then could magically add the surfactants. For a short period this would lower engine temps and raise coolant temps. As you say the heat has to go somwehere but, since the radiators arent at their full capicity. Removing more heat from the engine allows them to radiate more heat. Resulting in lower head and coolant temps. All Two2cool coolants do contain multiple surfactants. These surfactants do help. The second surfactant not only helps reduce surface surface tension in water but also glycol. This is why we use it. In water (low boiling temp.) I think that surface tension reduction helps the most in reducing bubble size during pinpoint/localized boiling. This helps keep more fluid contact with the hot metal areas. Since glycol has a much higher boiling temp we feel that surface tension reduction helps reduce cavitation and make the coolant more pliable while moving at high rpm's. The only way I can prove this is have a camera installed at an area where this would be occuring. We do plan to try and perform this test but, it may be some time. I have for years stated that most cooling systems on offroad motorcycles are doing their job well.
  11. Sorry about that, Im Norman Clay owner of Two2cool lubricants and coolants. Years back when I first signed onto Ttalk I couldnt make my name as I had it in some other forums. So I used my sons log in. Once I had some posts piled up I just never changed it. As you can tell we test alot of products not just our own.
  12. The race coolant has the lowest boiling temp we know of in a packaged coolant. It definately lowers temps better then the ProG. Due to glycol not having the cooling ability that water does. But there is a percentage of riders that can benifit from the ProG. Sometimes one either rides above the level or rides in conditions that will cause coolant loss with a low boiling temp coolant. But, time and time again we have taken a bike that was boiling a 50/50 glycol mix, then added the race coolant. The coolant loss stopped even though we have a lower boiling temp. This is due to its unique add pack.
  13. R1 rider, are you running the race coolant or the PRO-G no boil coolant? Because the Evans boils at approx. 365f and our race coolant boils at 235. Our add pack is what sets our coolants apart. The surfactants and anti cavitation additive just does what it does no magic. The ingredient that really makes a difference is the heat transfer additive. FYI, our race coolant is composed of DI water OAT (anti corossion) surfactant 1 (similiar to watter wetter) surfactant 2 anti cavitation additive heat transfer fluid The race coolant is obviously composed of DI water and our add pack. Our racing anti freeze is composed of our add pack and a 70/30 mix of propylene glycol and our add pack. Our PRO-G coolant is composed of pure propylene gl;ycol and our add pack. No need to buy expensive additives to aid in cooling. We have them. Oh ya the less glycol we have the better the coolant works. As I have allways stated no icicles, just good coolant that work.
  14. Water wetter works exactly as advertised. 100% of the time our tests have shown it to make a positive effect in a cooling system. How much it helps to reduce temps depends on a few factors. One being how high a temp you are having to begin with. How much surface attraction is a problem in your cooling system. One thing that I believe is missed alot is that watter wetter will help most coolants. It can be added to any coolant including any mixture of glycol. I havent personally seen any build up on any hose while running it. But, you didnt mention loosing any noticeable amount of coolant.
  15. FYI Evans NPG is pure glycol. As far as we can tell it doesnt have any other additives in it to help with cooling. It shows the same temps as running pure ashland propylene glycol straight from the drum. Evans NPG-R on the other hand is I believe ethylene glycol, lower viscosity and cools slightly better the the NPG. AS does any other propylene coolant compared to ethylene. Water is definately thinner than either glycol commonly used in coolants. The ingeredient in NPG- propylene glycol is used in many different products including foods, injectable medicines,cosmetics etc.