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Author: Subject: Water expansion bottle
Flamez

posted on 29/12/10 at 09:21 AM Reply With Quote
Water expansion bottle

I am currently running a zx10r engine with a yamaha r1 radiator. I have the overflow from the rad neck running to waste. Do others use an expansion bottle? Or like wise run to waste?





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jase380

posted on 29/12/10 at 10:50 AM Reply With Quote
You got that engine in yet Phil ?
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MakeEverything

posted on 29/12/10 at 10:56 AM Reply With Quote
Yes, use an expansion bottle with a breather. When cold, the bottle should be half full, and the hose to the system from the bottle should be at the highest point to collect the air.





Kindest Regards,
Richard.

...You can make it foolProof, but youll never make it Idiot Proof!...

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franky

posted on 29/12/10 at 10:57 AM Reply With Quote
with an expansion system its not got to be at the highest point if you've got a header tank on the radiator.
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Flamez

posted on 29/12/10 at 11:04 AM Reply With Quote
quote:
Originally posted by jase380
You got that engine in yet Phil ?


Yep engine in, just need to refit the loom and cooling system, I'll have. Crack tomorrow. You got me thinking about the exhaust too Jason after seeing your set up very nice. It would be good to know what noise you are running at though.





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jase380

posted on 29/12/10 at 11:37 AM Reply With Quote
All i can say on the noise front is firkin loud !!, one of the benefits of having the can 3 feet from your ear on the drivers side. It made 146.2 bhp at the wheels on the rolling road using the titanium bike manifold and standard airbox ( with a power commander ). Dont know how that compares with the aftermarket manifold and airbox ?.
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MakeEverything

posted on 29/12/10 at 11:47 AM Reply With Quote
quote:
Originally posted by franky
with an expansion system its not got to be at the highest point if you've got a header tank on the radiator.


Good point, though i because i dont have a header tank i assume that no-one else does either!





Kindest Regards,
Richard.

...You can make it foolProof, but youll never make it Idiot Proof!...

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cliftyhanger

posted on 29/12/10 at 12:13 PM Reply With Quote
If the system is designed to "suck back" through the rad cap when it cools, then yes, run a hose into a bottle that will catch the fluid, and as it cools it will suck it back. It should also bleed any air too.
The catch bottle needs to be vented, and the hose run to the bottom, and a few inches of rad fluid when set up.

However, if the system does not allow suckback, leave it to find its own level.

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*AL*

posted on 2/2/11 at 08:39 PM Reply With Quote
On my R1 engined MAC i do have an expansion bottle, the car was factory built.
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mr_pr

posted on 6/2/11 at 09:06 PM Reply With Quote
Get an expansion bottle. I have just installed mine as I was having to top up coolant before almost every run. Now, no longer an issue!







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