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  1. Purenitro

    loud pipes

    Mine is still louder and doesn't have a narrow powerband like the max pipe. That's the whole reason I designed my pipes, to give the power increase of a single chamber pipe but to be much more user friendly for land use. I will without hesitation put one of my pipes on the line against any pipe...
  2. Purenitro

    loud pipes

    This is the loudest pipe lol.
  3. Purenitro

    2 speed issues

    Absolutely, the original shifter was designed for a .21, the HD one will take just about anything you can throw at it, you'll see that the difference is night and day for strength and durability.
  4. Purenitro

    2 speed issues

    Looks like you have the original two speed shifter, it is weak and breaks quite easy, I would upgrade to the HD shifter which is much more beefy and can take a beating. http://www.hpiracing.com/press/pr87227.htm
  5. Purenitro

    Engine Plate Failure

    Thanks Shaun, great looking plate as well, the only potential problem could be less gearing choices due to the engine being raised slightly. I had some plates laser cut a couple years back and ran into this problem, other then that, once again, great job.
  6. Purenitro

    Engine Plate Failure

    Someone should make a sticky about adding washers, although my buddy tried it and still cracked plates like they were made of glass. Engine plates crack due to a downward force either from landing a big air and having the force of the engine constantly impacting the plate OR from landing...
  7. Purenitro

    Need advise on the running of my engine

    It really is a crap shoot in the winter, the average temp the engine should run at on an average spring/summer day is 220F-260F you should try and get it over 200F before twisting needles unless it is too lean to begin with. Wrapping the head does work but again, who knows how many fins to cover...
  8. Purenitro

    shipping rant

    You won't get a tracking # with $10 shipping on an engine, you would need to double that rate, that's why you got no tracking, it had nothing to do with the employee.
  9. Purenitro

    Need advise on the running of my engine

    There is nothing wrong with breaking in a picco with a MC 59 and 30% nitro, hundreds of people have done it without issue. Is your idle gap set to .5mm? if not it lets in too much air and will create a high idle. The thing you have to remember is these engines need heat to run properly, they...
  10. Purenitro

    Shims and 30% nitro?

    Lean on the HSN and rich on the LSN. Remember that the LSN is what controls the idle, do not adjust the HSN when it comes to low end tuning, the HSN takes control with about 1/3 throttle and is intended to control the fuel metering at WOT.
  11. Purenitro

    Melted spur gear?

    I would stick with the plastic spur gear, if your new to the hobby it's much cheaper to replace a $5 plastic gear if you don't get your mesh just right. If your mesh isn't right with a steel spur, you will have to replace both. I run some pretty hot engines and have ZERO issues with the plastic...
  12. Purenitro

    Shims and 30% nitro?

    Use a MC #59 for break-in settings, the hotter plug will help it start and idle better with the richer needle settings. Move to the MC #8 for performance tuning, depending on your elevation you can even remove the thin head shim and run 30% with no worries.
  13. Purenitro

    Lrp .28 spec 3 problem

    You should wait until you have run a gallon through the engine before you do full throttle passes, that zzzzzzzzzzz noise is the engine screaming for mercy. It is extremely hard on the internal parts to be run at high RPM until the engine is loosened up. I would richen it back up like Max said...
  14. Purenitro

    Axial .28RR-2 - Carb Reducers...

    The largest one will work the best.
  15. Purenitro

    Axial .28RR-2 - Carb Reducers...

    Yes, they create better air flow through the carb.
  16. Purenitro

    ERCM Small Block Pipe Testing

    Here are a couple pics of the revo pipe.
  17. Purenitro

    ERCM Small Block Pipe Testing

    Thanks guys, It's kind of funny that people would think that I would put everything on the line and make a hoax video. It wouldn't take long for people to figure it out and down the toilet I go lol. I guess it was the same for the BB pipes, everyone called BS on them too until they were run and...
  18. Purenitro

    LRP 28 Spec 3 Break In Question

    Have you tried this tuning guide? http://www.extremercmods.com/?page=tuning
  19. Purenitro

    hpi 4.6 or 5.9 for savage x

    The LRP will smoke the 5.9 in every way, there is no contest.
  20. Purenitro

    ERCM Small Block Pipe Testing

    Thanks guys, I guess it's too impressive lmao, now I'm being accused of BS as a lot of people don't believe it's a 3.3 let alone a stock one, like I would lie about a traxass lol.
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