I just replaced teh gauge and sensor....and no tape on it. Actually, it appears to be a little better that the previous gauge by about 5 degrees HOWEVER the problem is climbing heat levels...not really about an absolute temperature.

REMEMBER,...the car will continue to climb at an idle,....I do not let it go past 230....but currently I am sure it would just rise and rise and rise.....so whether the gauge is 10 degrees off or not really doesnt matter....what matters is the constant rise in temp.
If I KNEW the car would sit and idle at 230 I would have no complaints,....I know BB's run hotter than most,....but this darn constant rise is the problem!

BOTTOM HOSE is tight as a drum. Good and solid.

All I can hope for is 2 things:

1)New proper shroud that actually fits will help or cure.

2)Setting the timing to its proper place will cure. (pray, pray, pray)

3) Going to 100% water and water wetter in radiator will help.