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Old 07-04-2020, 06:11 PM   #11
Senior Member
Join Date: Jan 2016
Posts: 1,290
Default Re: Radiator Overheating

I would use nothing but Bergs. Pricey because of the way it is made.

I had heating problems on the highway. I have a 4 speed synchro, and some stuff done to the engine, maybe 70 HP.

I brought that radiator to the radiator shop they cleaned it, flow tested it and the same problems. Replaced it with a Bergs and now I can ride 60-65 MPH for 1 hour or more in 99 degree heat, and my gauge goes between 185-190. Even on a long idle on a hot day, I have the same temps.

I run 50/50 yellow Prestone.
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