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Type: Posts; User: lsurber

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  1. Replies
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    RE: How much priming question?

    I would agree with DaveG55 about pulling the starter just enough to get fuel to the carb. At that point the engine should fire within 2 pulls. If it does not and you need to prime more you are most...
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    RE: Proper use of RTV

    Your supposed to be an engineer so go plot the curve for cure time as a function of temperature and prove me wrong. Applying heat does indeed facilitate shorter cure time!

    Mating surface has...
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    RE: Proper use of RTV

    It is ALL TOO COMMON for people to apply a bead, torque, and forget about it. This is what increases the risk of leakage. It presses the sealant out and allows tiny amounts of metal to metal...
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    RE: Proper use of RTV

    You really should be quiet now!
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    RE: Proper use of RTV

    This is my world Anthop! Where are yours?
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    RE: Proper use of RTV

    Sorry, should have clarified! Specifically, I apply a thin film allowing a full cure. I then follow up with a thin film, assemble, allow full cure, and final torque sequence. Final torque sequence...
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    RE: Proper use of RTV

    Personally, it depends on the application as to whether I allow a cure. On the race engines I generally apply a thin film on both sides of intake manifold gaskets and allow a forced full cure under...
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    RE: AWW shoot i messed up big time Help???

    Find a hex wrench that just barely won't fit, heat the screw directly with a torch, tap the hex wrench into the socket, then remove quickly before it cools down!

    A trick is to always apply heat...
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    RE: Doubled my fuel economy!

    I have more need for fuel economy than for power! I have other mods for power that almost throw the tires off the rims....!!!!! This mod has proven mileage benefits but a few timing issues which I...
  10. Thread: STS 30 ?'S

    by lsurber
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    RE: STS 30 ?'S

    O-ring is really not needed if you know what ur doing with RTV!
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    RE: Doubled my fuel economy!

    Here is a degree wheel from another thread! I don't like it because I prefer measuring everything from TDC=0,360 but this will work fine. It just takes patients and being very careful. It is...
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    RE: Doubled my fuel economy!

    Get yourself a degree wheel, fix it to the flywheel, make a pen mark on flywheel at TDC=0, then turn crank till crank induction port just starts to open. Record your results and repeat for crank...
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    RE: Easiest 1/8th to wrench?

    They're all easy to work on! A can of WD-40 and a pressure washer is all you need! LOL!
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    16,170

    RE: Doubled my fuel economy!

    The headbutton mod probably has more to do with reducing compression than it does directing burn.

    I am almost there Blaze! I believe by next week I will have a fix for the erratic idle. It...
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    16,170

    RE: Doubled my fuel economy!

    I personally feel that most engines offer more than enough power to win races! This thread was started to learn about economy mods. There have been numerous threads on RCUniverse with questions on...
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    RE: More Nitro Content?

    I did say compensate not regain! Once it's gone, it's gone! Best to replace!

    We can agree on that!;)
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    RE: More Nitro Content?

    Wow! This thread just went crazy!!!!:D One thing I notice is that everyone has valid points but very few can agree!

    Example: Does more nitro make the engine run hotter? Well, if you don't...
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    RE: Doubled my fuel economy!

    Once the timing issues are ironed out I would do this mod more because it REFUSES to stall even after extended high speed runs! Every other engine I have seen without this mod would stall when...
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    RE: Doubled my fuel economy!

    Ok, degree'd the SH engine with erratic idle! Here it is!

    Crank induction: open=210, close=40, Duration=190
    Intake: open=100, close=260, Duration=160
    Boost: open=100, close=260,...
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    RE: clutch engagement question............

    Leave the screws out! Less weight means later engagement!
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    RE: Doubled my fuel economy!

    I would still use the radius cut because of strength and the fact that it is the only type of SPI port that is working properly on the above engine. This engine has been running great and refuses to...
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    RE: Doubled my fuel economy!

    Ok, degree'd the good engine! Here it is!

    Crank induction: open=210, close=54, Duration=204
    Intake: open=100, close=260, Duration=160
    Boost: open=110, ...
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    RE: Doubled my fuel economy!

    JB,

    Here is the photo you requested. I am going to degree the engines tonight to see what is different between the two.

    Lee
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    16,170

    RE: Doubled my fuel economy!

    I PM'd Blaze about this very same problem of high/low idle fluctuation. I did experience this with another engine but thought I probably had an air leak and until I get a starter backplate for the...
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    RE: Induction Timing

    No, I don't do all that stuff, just eyeball it and work slowly!!!! LOL!!!!;)
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