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i would suggest 2 inline coolers, pro design (not modquad,they are junk) impeller, some water wetter or ice, and the aluminum radiator.. i run all the above on my 392 cub motor and it runs right around 200 in the summer.. if it where a stock radiator i would say it would run hot.. you could put a bigger main jet in the carbs, that would help get the temp down but would kill some power.. its a bitch when u start putting a lot of money in these bikes.. u have a big ass hot motor, i would spend the extra money to protect it.. so i will say yes.. get it..

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i would suggest 2 inline coolers, pro design (not modquad,they are junk) impeller, some water wetter or ice, and the aluminum radiator.. i run all the above on my 392 cub motor and it runs right around 200 in the summer.. if it where a stock radiator i would say it would run hot.. you could put a bigger main jet in the carbs, that would help get the temp down but would kill some power.. its a bitch when u start putting a lot of money in these bikes.. u have a big ass hot motor, i would spend the extra money to protect it.. so i will say yes.. get it..

 

Inline coolers.............come on. :confused:

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The oversize radiators do a very good job, I know some guys will say a stock radiator will do the job, but not for my type of riding or conditions, no banshee will stay cool for long. I do trails, and on hot days, 45 degrees celsius, my bike runs way to hot. Its not the radiator size, its the airflow that is the problem when going slow, but with the bigger radiator and more capacity it does work for sure, get the billet impeller and forget about inline coolers, they don't mean anything, trust me.

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Your running warm in the winter?? That's odd, even on a cub. I have run some slow ass trails on a stock rad filled with mud and a stock head on a hot day, and only overheated maybe twice, although it does get a little hot. I bought an OS rad for my build, but unless your not moving very fast, or it's really hot outside I've found I don't often need it. Also, I wouldnt spend any $$ on the inline cooler, just another seal in the coolant system that could leak, and they dissapate a negligible amount of heat. Just my .02

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why u guys picking on me and my inline coolers?? lol. i will agree that they make a very minimal difference, just stay away from the mod quad impeller.. i put a new one in my cub motor and after 10 hours of ride time the shaft was grroved real bad and leaked coolant in my motor.. they are junk, stick with a pro design, they are proven to last, i think that the modquad has an aluminum shaft unlike the stainless that pro design uses..

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why u guys picking on me and my inline coolers?? lol. i will agree that they make a very minimal difference, just stay away from the mod quad impeller.. i put a new one in my cub motor and after 10 hours of ride time the shaft was grroved real bad and leaked coolant in my motor.. they are junk, stick with a pro design, they are proven to last, i think that the modquad has an aluminum shaft unlike the stainless that pro design uses..

 

 

:yelrotflmao: inline coolers. lol.

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Just Joking.....

Thanks for the input guys, I have a 20 fin inline cooler, made no difference in temp. I think Ill go with the Toomey radiator, looks like the biggest I found. Price seems fair $400

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Thanks for the input guys, I have a 20 fin inline cooler, made no difference in temp. I think Ill go with the Toomey radiator, looks like the biggest I found. Price seems fair $400

 

I dont think they make the toomeys anymore. You can get a pro design for under $400, or PWR. Theres some on e-bay for even cheaper, I think torch works or something.

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Or....

 

How much timing do you have and what is your compression?

 

They both add heat in a hurry...

Timings at +4 27cc domes I ordered a pump gas motor. Im not having a problem yet, but in summer heat I know I will. I do alot of hill climbs, in July and August my old motor ran hot.

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