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About journeyman

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    "Brotherhood of the Slap"
  • Birthday 10/09/1961

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  • Your Ride
    Sand Rails, Raptor, 250R,

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  1. Was this crack due to heat? Possibly due to something mechanical hitting it (a wrench?) Possibly just a defect from the factory? Any ideas?
  2. Which Haltech do you have? I have the Northstar with the Haltech E6K.
  3. What R&P ratios are available?
  4. If you switch to LiFeP04, you are making a VERY positive step, but be aware that they have a very different charging profile than the lead-acid or AGM batteries. I am a big fan of the lithium Ion batteries. TO DO THIS YOU MUST LOOK AT YOUR WHOLE SYSTEM. If you are willing to do this, and you make the switch (system conversion), you will be happy for a long, long time. The batteries are the bulk of the cost, but you will need to replace / modify the charging systems to work with them.
  5. If it does not charge BOTH when the engine is running and also not when plugged into shore power, that makes the situation a little more complicated. Typically, the engine alternator will go to the battery isolator (as was mentioned) to charge the coach batteries. The shore power goes to a charger (or could be a combo charger-inverter) to charge the batteries. If both systems are not working, it could be a large (several hundred amp) protection fuse. Does the inverter work (does it produce line voltage from the batteries)?
  6. The ad lists its GVW as: Gross Vehicle Weight: 12,179 It is quite possible that what they meant was "unladen vehicle weight". That would be a good thing (although definitely a bone-head move for a dealer), because if the GVWR is 12179, you will be overloaded as soon as you step in. Engine: This has the Cummins ISB engine (same as in pickups). As long as you watch your exhaust temps like a hawk, you will be OK. but with 37' and if you pull a toy trailer, your EGT's can climb exceedingly fast (read: cook your motor). Again it is fine if you are aware of it and watch the EGT's. Transmission: it lists an Allison transmission. This is good, but WHAT Allison trans? if it is the 3000 series, you are good to go. No worries. if it is the 2000/2500 that is still OK, but just not as stout as the 3000. Some of the lower cost units came with the AT545. That is a strong transmission, but instead of 6 gears, you only have 4. And no overdrive. And no lockup. Look carefully and ask a LOT of questions.
  7. Wow. Pretty cool. I wonder what the BSFC is for that engine. It really does sound like a breakthrough (albeit a complicated one!)
  8. Porsche files patent for eccentric articulated stem Leave it to Porsche... Of course, if anyone can do "complicated", it is Porsche. While I truly appreciate the advancement of engine technology, it does make me appreciate the simplicity of the old air cooled VW, with only two wires connecting the alternator and one wire for the ignition... And it actually worked! Of course, power was limited (a lot), but it actually worked with reasonable reliability. I say YAY to new developments and especially to increased efficiency (squeezing more crankshaft power out of existing displacement), but I still marvel at what was produced in the early days when none of this stuff was available.
  9. Key on this will be the transmission/transaxle. the 454 generates an insane amount of torque at a very low RPM. Using the 4L80E mated to it would handle the torque, but layout would be a challenge. Weight will also be an issue... This might be on the scale of a trophy truck. The gen 6 454 is a good one. No doubt about that. But you really have to ask yourself why you want it. If it is to be unique, you will have it! If it is to save money (got the motor for "free"), well, no. This will cost you significantly more than the LS units, as others have pointed out.
  10. OK, time to weigh in: If you are going for the high speed or competitive feel.... Uh, no. You need to get the pros on board. But for the hobbyist, try something new. See how it works. It is about trying and having fun while learning and expanding your horizons. Not necessarily the high speed sand hiway runs or the massive-air-time jumps that Robbie Gordon just did (I learned the hard way: DON'T DO THAT), the experimenter and learner can putz around and try new things without being a danger to self or friends. Usually the worst thing that happens is getting stranded out in the dunes and coming up with creative solutions to get back to camp. The only reward is a 'never do this' type of story. If you are "all out" or super competitive, maybe DIY is not for you.
  11. I have used it for quite a while on the buggy and on the quad. Sand has not been an issue so far. However, this question makes me wonder: could covering the exhaust wrap with something metallic (think 2" wide thin metal tape), not only help protect the insulation, but also increase its effectiveness?
  12. If someone is actually asking the question, they are already on the right track. Overconfidence can easily lead to disaster. Questioning your own abilities allows you the freedom to ask for help or more expert advice. Arrogance typically makes this nearly impossible.
  13. A different perspective: I am an American living in Russia. I am proud to be an American and also proud to live in Russia. I am legal (equivalent of a green card status there). Of course there are things I complain about in Russia, as anyone does in any country, but I live there partially because it is a great country to live in. I respect it. I respect the people that live there (Russians). I respect their leadership, even though I do not agree with a lot of it. I think it is reasonable for me to expect the same from folks that live in the US, especially those that emigrate and want to stay here permanently! I have the same sentiment as RETIRED: how can you want to be here and yet disrespect it so blatantly?

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