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Author Topic: thermospyn on a 350-a couple questions.  (Read 2946 times)

mudbogger

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thermospyn on a 350-a couple questions.
« on: April 08, 2004, 01:00:47 PM »
When you go with a thermospyn system, is it ok to have the lines going to rad with curves in them or are they supposed to be as straight as possible, if you have an application where the lines arent perfectly straight-is that going to effect the process of cooling, etc?
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MassOdy

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thermospyn on a 350-a couple questions.
« Reply #1 on: April 08, 2004, 01:21:33 PM »
Well I use a return line on a 350 WCH from my Goldwing rad that swoops aroung the outside by the exhaust and into the return side of the WCH. I would say its 3.5 ' long.

The HOT side goes straight up and in like a shallow curve. Hot goes to top of radiator.

You want to avoid sharp curves that may cause restriction or hose kinking.

I'm sure the other guys on here can give details for ya as well.
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LiveWire

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Curves
« Reply #2 on: April 10, 2004, 04:23:48 PM »
Curves are fine. It is best if there are no spots lower or higher than the ends.

Removed broken image link
« Last Edit: March 14, 2012, 06:43:22 PM by LiveWire »
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mudbogger

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thermospyn on a 350-a couple questions.
« Reply #3 on: April 10, 2004, 05:52:40 PM »
Thank you very much BTW -AFTERSHOCK HEAD NEW STYLE GOING ON THIS 350 REBUILD, LOOKS SWEET WILL POST SOON.
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mudbogger

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thermospyn on a 350-a couple questions.
« Reply #4 on: April 11, 2004, 03:53:31 PM »
I have used aftershock products on my 350 and havent had any trouble with them at all, good chioce of products.
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Long living fl350

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thermospyn on a 350-a couple questions.
« Reply #5 on: June 06, 2004, 10:12:35 PM »
I put an 195* thermostat in my head and a BMW heater pump and its one of the beter things I have done to bring life to my kart.  Livewires OLD style of head was taking me 1/2hrs before the kart woke up.  The thermostat wakes up the motor up in 5~10 min of riding when the motor is cold and is stable at 200~235* depending on the type of riding.  With out the pump and thermostat I would not chance with the Yamaha yz250 rad.  Its too small for thermo siphon.  My rad has 2-speed fans for cooling (4each) and a two step thermo switch for cooling control.  Low is 220* and high is 240* for the fans.
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Long living fl350

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thermospyn on a 350-a couple questions.
« Reply #6 on: June 06, 2004, 10:22:12 PM »
I too love the water cooled head.  I melted my last motor due to runaway head temps hill climbing in 60* temps.  Head temp was climbing past 500* when it melted but would left the front tires off the ground climbing hills with head temps in the 250*~350* range.
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cwwiedmaier

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fl350
« Reply #7 on: June 18, 2004, 06:49:23 PM »
where did you get the two stage thermostat i would like to have one for my project fl350
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