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If I remeber right it was about 0.5 Volts lack in the big (and long) postive cable.
Ok, you'll always have a little drop due to the length of cable. But, you're only as strong as your weakest link.
Also, the storage/usage of amperage is what is really the means to an end in the automotive starting system. Meaning, the 12-13.8 volts that the battery shows has to have the big amps to crank an engine and keep that level up. That's why MANY racers run TWO batteries in parallel. The current adds while the voltage remains the same.
High compression big block race motors with BIG valvespring pressure take lots of amperage to spin.
R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04
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