I have a 67 GTA Convertible with 289 HiPo.

Installed a Painless wiring Harness.
Replaced alternator and voltage regulator.
My battery was not charging before, but is fine now (13.5Volts.)
I did have a problem with the turn signal/backup light fuse blowing each time I drove it, but now it is ok with the new voltage regulator.
I installed a Pertronix ignition and flame thrower 2 coil.

So, I thought that I had fixed everything.... but as I'm driving down the road for about 15 minutes- everything dies... and I roll to a stop. Luckily it started right up immediately afterward. But what would cause this?

I did notice that some radiator fluid leaked out of the radiator overflow tube when I got back home.

Is there some thermal cutoff that I tripped?

Yes -I am a novice and love this forum! Thanks in advance!

 

could be a loose wire one rubbing on something and cuting the coating off maybe. why dont you have a true overflow not a tube the tube idea was ok but when it overheats it dumps the extra out on the ground.overflow tank keeps any and puts it back if needed.

 

Driving along...everything died...then it started back? hmmmm

First I'd go check all my ground points....especially the frame to ground engine cable