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Well I know at least Kawasaki has.

Jeff is laughing if he sees it.

Not could, WILL leak. Almost guaranteed :biggrin: But it's because they half-ass glue it in. This is a funny thread, don't delete it :Banane01:

All the OEM bottoms are SMC... you wish they were chopper gun! :skull2:

That reminds me, what does Steve use to glue in his wonderful aluminum exhaust tubes? Because last I checked, the glue would get as hot as the tube. Is it high temperature glue? High temperature glue would seem an absolute necessity if this were in fact a high temperature application :bs2:

While a plastic impeller could no doubt be made to work as well as the OEM impeller, my reasoning has always been if it works, use it. If you think abiut it, this is perfect logic :skull2: Your reasoning that Yamaha switched from plastic waterboxes to aluminum waterboxes because plastic...

You're absolutely correct, you get what you pay for :biggthumpup:

Well I guess SFL really is done, now we can get the facts straight :arms: I doubt Jeff uses a high heat ABS, but regular ABS will survive at 200 degrees (like Jeff claims to have tested his exhaust at). Here's why I think so: we mold ABS parts where I work and when we fatigue test them we...

I just can't believe Charlie would let you get away with that, it's so cheap :bs2: Okay, I'm done! Keep up the good work!!

OMG is that PVC??? :bigeyes:

I'd take ABS over a carbon fiber tube, however.

Hey I never said I'd use ABS :biggrin:

Actually now that I think about it... would you use carbon fiber for the exhaust tube? But you wouldn't use that for the chamber would you! Why not???

My only point was that plastic is used in many high temperature applications. I forgot to mention exhaust valves! If it works, why bitch about it?

I just seem to recall that my exhaust tube by the carbs never gets noticeably hot. I've never measured the temperature there but I don't ever recall getting burned while taking my carbs off, even after WOT runs. Bottom line, nobody is exhausting more heat than Waterdawg's 1200cc engine. So...

Oh one other thing. I guess you should feel lucky that you've never cracked an aluminum exhaust chamber. Because cracked aluminum exhaust chambers are 10X more common than blown waterboxes :bigeyes:

Jeff what are you doing out of your garage?? Get back in there and finish my hull! :woot:

Aluminum just plain kicks ass. That's why Yamaha uses it for impellers too!

By the time they got to the tray area... not hot enough to burn your skin, so I'd guess well under 140 degrees.

Tubbies are NICE, no argument from me there :biggthumpup: