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I've been wondering if it's outside (or under the car) what happens if it hits a rock on the highway. My car may see some tracks but it's mainly for the streets, and the roads in Houston are VERY bumpy.Hot water on driver's side under rocker panel and cool side on passenger side.
It does require quite a few 90 degree and 45 degree both soft and hard bends. I also have the advantage of having a tube beader so I cut to length and then beaded the ends of the tubes.
I did every connection with double hose clamps for two reasons:
1) It is a rule requirement for the racing sanctioning bodies we run under
2) I also used a 30 pound cap that allows me to run the cooling system to 250 degrees without boil over
Double hose clamps is not a big deal if you have the normal 4 hose connections. 8 versus 4 hose clamps used. But when you have a GTM...holy crap I ordered fifty 1.5" and fifty 1.75" clamps. I used 10 silicone elbows on each side so two ends equals 20 single hose clamp connections, equals 40 double hose clamp connections!
If you are just running a street GTM you can use regular rubber elbows and single hose clamps. It is a bit of work though. Just be prepared.
I will note that the fuel tanks are not in the stock location on this race car. I know people have done the conversion to outside lines with the stock fuel tanks, but I am not sure how they ran the water lines around them. I would think the hot would be easy to go over the drivers tank and then down to the rocker area. The cool line I am not sure how that was done on a stock GTM. Maybe someone that has done it can share?
Do you have any pictures?