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  1. Replies
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    I worked on the head, made an adapter to use the...

    I worked on the head, made an adapter to use the air filter, replaced the dying ez start battery, ordered a cheap airbrush so I can ceramic coat the top of piston and cylinder head to help with...
  2. Thread: Revo Gallery 2

    by Bob2.0
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    Sticky: from the outside looks like a stock revo 2.5 with...

    from the outside looks like a stock revo 2.5 with a 3.3...
    It's not, Runs 93 octane gasoline... with a glow plug!:thumbup:


    Still need to work out the kinks, but it runs pretty...
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    I got a pull start for my revo... It lasted about...

    I got a pull start for my revo... It lasted about 3 weeks before falling apart. I'm now back to the EZ start. :p

    (My pull start was likely defective)
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    I had to replace mine. When I tested the voltage...

    I had to replace mine. When I tested the voltage like yours it was reading fine but when the amps start to flow It had problems. It would crank over for about 3 seconds and die. One thing I would...
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    I had the exact same problem. It's in the hand...

    I had the exact same problem. It's in the hand held part of my EZ start system not the motor assembly.
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    (This is the nitro...

    (This is the nitro engine)https://uploads.tapatalk-cdn.com/20191113/9fdc4c24238f404c599e58857745b43c.jpg

    Sent from my KFKAWI using Tapatalk
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    What first inspired me to try and convert my revo...

    What first inspired me to try and convert my revo to gasoline with glow ignition was a company (nv) that put a gasoline engine with a glow plug into production and it had a near identical nitro...
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    I think I found how to upload pics to the...

    I think I found how to upload pics to the forum.https://uploads.tapatalk-cdn.com/20191112/49c62a5011957b70ed673e03d3cd411a.jpg
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    I just wish there would be a great way to save...

    I just wish there would be a great way to save nitro.

    Model engine "diesel" fuel is near impossible to buy and expensive to make. My converted revo always overheats, doesn't run well when cold,...
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    Hmmm. I saw that a few years ago. But I thought...

    Hmmm. I saw that a few years ago. But I thought they ran on some ether based fuel not actual pump diesel. I found this paper a few years back.
    ...
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    Nitronought, look at rotary intakes on one of...

    Nitronought, look at rotary intakes on one of your many engines that are sitting around. If you grind down about 1mm of metal from the shown area it makes it so the port closes a few degrees later....
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    By delaying the intake from closing you can shift...

    By delaying the intake from closing you can shift the power band to higher rpms. At peak torque, every revolution produces the same amount of power no matter the rpm that peak torque is created at....
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    https://docs.google.com/document/d/11Oz1FZGQL-QlsZ...

    https://docs.google.com/document/d/11Oz1FZGQL-QlsZHSWrCutgnmHrIfkb8I4TPx1sl0Ocs/edit?usp=drivesdk

    I added a diagram to the doc on how to delay the intake closing for more top end power for those...
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    I have been pretty busy lately and I haven't...

    I have been pretty busy lately and I haven't gotten much done.

    I'm Sorry about the 55k rpm claim. I misread an article that Traxxas posted about the trx 3.3 engine a while...
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    I did the math and based on the manufactures...

    I did the math and based on the manufactures specs the ceramic coating would increase the weight of the piston by about .007 grams. I don't think that small of a weight difference would create too...
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    how lean you run the engine does affect...

    how lean you run the engine does affect temperature but the engine can only go so rich before it dose not run run properly.

    As to simple engineering the cdi ignition units can not handle the high...
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    The ceramic coating would only be on the cylinder...

    The ceramic coating would only be on the cylinder head and top of the piston. So the ceramic coating would never come in contact with the piston skirt or cylinder sleeve. It should help deflect an...
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    I have updated all the photos so they are not...

    I have updated all the photos so they are not blurry.

    https://docs.google.com/document/d/11Oz1FZGQL-QlsZHSWrCutgnmHrIfkb8I4TPx1sl0Ocs/edit?usp=drivesdk
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    Here is a link to a Google doc with images of the...

    Here is a link to a Google doc with images of the gasoline revo. The images aren't very good so I will try and update them soon. (I hope the link works)

    ...
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    A thought came to me yesterday that I could...

    A thought came to me yesterday that I could possibly ceramic coat the cylinder head and top of the piston to keep the engine cooler. I looked into it and theoretically with the ceramic coating the...
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    Sorry my explanation was bad on what I did on the...

    Sorry my explanation was bad on what I did on the intake. I adjusted the rotary valve part portion of the crankshaft to adjust the intake timing not the port on the sleeve. The crank timing was only...
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    I filed away some metal on the crankshaft intake...

    I filed away some metal on the crankshaft intake where it regulates when air can enter to delay the closing.
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    Yup. I've altered bolth. I have delayed the...

    Yup. I've altered bolth. I have delayed the intake from closing by a few degrees to increase top end power. Then because the gasoline doesn't react with the platinum element like methanol does I have...
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    I mostly agree. Unless you want to port your trx...

    I mostly agree. Unless you want to port your trx 3.3 for more power, go for a different engine.
  25. I thought $75 for my old but great condition revo...

    I thought $75 for my old but great condition revo 2.5 was good. ;)
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