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Thread: Why beryllium valve seats? Because race car - Honda B-Series head with titanium valves and beryllium seats

              
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    Why beryllium valve seats? Because race car - Honda B-Series head with titanium valves and beryllium seats

    I just want beryllium in my engine to say I have beryllium something in my engine. But I figured I'd share something I learned about it. Here's some pics of a ridiculously badass Honda B-Series head with titanium valves and beryllium seats. This is for an all motor setup that will run straight methanol like a boss:

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    So what's the point? Titanium and beryllium have different melting points and apparently the beryllium protects the titanium valves from heat. Either way, stuff looks absurdly awesome doesn't it?

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    Pretty sick. Love Hondas man.
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    I probably sound like a complete creeper for saying this, but that is some sexy $#@! right there. Car pr0n FTW.

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    Melting point? If your head gets to that point it will be mush long before the valves even flinch

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    Well the builder seems to feel these are necessary and they probably know what they are doing...

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    we use beryllium in a bunch of race heads.
    heck if you *want* it, we can do it on your heads (or any heads for that matter)

    beryllium is really tough stuff. its very durable, but on the other hand- difficult to work with.
    another thing i see it used for at the machine shop, is to machine the lifter bores out on an american V8, then press in beryllium inserts to keep the lifters square to the camshaft.
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    I just think beryllium sounds so cool and exotic. Beryllium. Heh.

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    You want something made out of it?Click here to enlarge
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    Are they just beryllium or beryllium copper? When copper is alloyed with beryllium it makes a hard seat that conducts heat really well.
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    Wouldnt ceramic coating the valves protect the titanium better? Of course it wouldnt look as cool

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    Protecting, as in the titanium is "beat up" as a stainless seat would do. The beryllium has a little Cush or bounce to it and doesn't beat up the Ti as bad
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    Ok so this is for physical abuse of the valves such as at high rpms. Makes far more sense

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    Exactly. It also has great properties like a bronze bushing. A little oil on it and it is very tough to abuse
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    Man, I miss my k20z1. It was incredible on 12psi via peak boost turbo kit. Too bad honda never gave enthusiasts a rear-wheel coupe or sedan featuring this plus the honda 6mt

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    Click here to enlarge Originally Posted by eldo Click here to enlarge
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    Man, I miss my k20z1. It was incredible on 12psi via peak boost turbo kit. Too bad honda never gave enthusiasts a rear-wheel coupe or sedan featuring this plus the honda 6mt
    They make a conversion kit to run a k20 or a k24/k20 since the k series is so much better for F/I and bolt ons than the f22c or f20c motor.

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    Click here to enlarge Originally Posted by onisyndicate Click here to enlarge
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    They make a conversion kit to run a k20 or a k24/k20 since the k series is so much better for F/I and bolt ons than the f22c or f20c motor.
    yea, I know, I meant a native k20 sports sedan.

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    Looks so beautiful that I wouldn't even finish rebuilding the motor... Just make a center piece for a table out of the components Click here to enlarge
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    Why beryllium? High rpm capabilities. Titanium is very strong but it isnt durable when being rubbed against another metal that is hard so beryllium copper works well. It is also a favorite because a hot valve only has two methods of dissipating heat, through the seat and the guide both of which are likely beryllium. However for this particular motor I wouldn't think heat is a concern if its on meth. Lots of badass honda heads out there.

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    so talking about titanium valve wear, how fast would we be talking?

    and on the cost of beryllium seats to go with it.. what about that? many multiple thousands i assume?
    boop

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    To do beryllium on a 6 cylinder BMW engine, its an additional 1800 to install, that doesn't include any other head work.... Just taking out the old seats, machining, cutting new seats and valve job
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    Click here to enlarge Originally Posted by benzy89 Click here to enlarge
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    Looks so beautiful that I wouldn't even finish rebuilding the motor... Just make a center piece for a table out of the components Click here to enlarge
    lol

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    wow thats some serious engine work. The only engine that i ever saw that metal was on the older F1 engines before they were banned.
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    2 out of 2 members liked this post. Reputation: Yes | No
    $1800 just does not seem worth it, you see many high HP bmw's 700-900whp and they don't have any issues not using this. BUt yes def looks cool

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    Click here to enlarge Originally Posted by porscheguy89 Click here to enlarge
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    $1800 just does not seem worth it, you see many high HP bmw's 700-900whp and they don't have any issues not using this. BUt yes def looks cool
    Is it overkill? Sure. But serious high power car modding isn't about logical/economical decisions to begin with.

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