ultimate big valve head
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this is a real big valve head, if you want performance, this is where its at :clap:
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Looks pretty nice. :tup:
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Isn't this red paint INSIDE the head dangerous? Paint in the engine oil can seize an engine, hot paint is like glue. Never seen an engine part painted ON THE INSIDE (why?). The red paint on the springs, for example, will fall off immediately and will get caught in the return oil and may block the oil passages of the piston or stick inside a bearing, or go just about anywhere where oil goes.
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Racers do it. Makes the surface slicker allowing the oil to drain back at a more accelerated rate. The valley in my race cars engine is done the same way.
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it's not PAINT it's glyptal....and the springs are ceramic coated...
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Want want want... to bad I'm broke
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This is a head i already had, got it redone, but you can get one just like this at scrappys they are hand crafted
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thats were i get mine from................all experience engine builders like my self use it.it works very well......its NOT your every day paint if that is what you are thinking...
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It looks like its rated for 250 degrees. I'm no expert but don't air cooled motors run nearly 300 degrees? No one has issues so I guess it works but looks like it is probably intended for use in liquid cooled vehicles...
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300!!!!!!!!wow you better start worrying at 200.........
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I guess your right sure seem hotter than that when you touch the suckers...
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The red scoot is a 50cc roketa bahama 4 stroke
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That's the one I'm buying from pro power ride but two stroke.when I call places that sell chinese parts they don't no what to sell me.I was wondering where you get your parts.same scoot just mine will be two stroke
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the two stroke version uses completely different parts get them at scrappydogscooters.com under 2 stroke performance parts its a minerelli clone type motor 1e40qmb
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I would link you there to the post but I dont know if its allowed or what on this forum. :shrug: Just figured it is good relevent info showing that these "forced air" cooled motors can certainly run past 300 degrees. Mean Motofino :tup: |
would like to see that..i raced micro sprints and they were honda 250 2-stroke and we never got past 200-210. 300 i would think it would seiz up...but any-way i build kart motors briggs-raptor and never had any issue's with glyptal.......just saying..thanks.....buford.
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