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I finally got to give my cooling system mods the acid test today. Took it on a 120 mile loop through the hills that I last drove in 2018, which led me to look for some solutions. 15 mile 5%-6% grade taken at 2500-3000 in third gear. Needle climbed a bit, but never got past 12:30, and as soon as I topped the 10,000 foot summit, temps quickly dropped back down. As a matter of fact, by the time I got back to the bottom, it had dropped all the way down to just off the bottom mark. My last trip on this mountain road, I was just about to pull over and stop because the needle had hit the bottom of the white block at the top of the scale when I crested the summit. 

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The other scenario that used to get it hot and bothered was flat out freeway droning on the way home. Today, the gauge never passed 11:55 even at 15 minutes at 75 mph.  

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And good news: my cap stayed firmly in place with the low windscreen, even at 75 mph.

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Last edited by dlearl476
Original Post

I've posted about it in a number of threads, probably should have made a thread if it's own. 

When I bought my Beck, it had a Chinese shroud, thin fan, Type I oil cooler, no thermostat. I replaced that with a Cooled1 Thing Shroud reproduction, a Type IV oil cooler, and a partial thermostat* reproduction from AwesomePowdercoating.com.

My doghouse didn't have the extra tin to redierct the hot air exiting the oil cooler, so it was blowing right on my pass side carburetor. The new one had all that. 

 

*The way a thermostat works on a normal engine in a VW or Speedster is precluded by a Spider's exhaust headers.  I adapted a choke cable assembly to operate the thermostat manually. 

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