I got some great advice and diagrams from the forum members.
So now I am going with a 120 amp alternator on my 68 doing away with the external regulator.
I will beef up the wiring to the alternator with a 6 gauge wire and run this to a 150 amp ANL fuse and holder and then run the 6 gauge wire onto the starter lug where the cable from the battery comes in.
This gives a little extra amps from the alternator, but still will blow if there is a problem rather than burning the car down.
Vette(s): 1968 Conv, 454HO,500HP-600TQ, TKO-600,3:70 HD rear,hotrod air, custom paint & suspension,1973 Ruby Red,T-top, 383 Stroker, TK)-500,frame off restro, 1977 Yellow (1 of 51 ) L-48 4 spd, 99% original.
I put a 160 amp on my 68 that puts out `14V at 1000rpm because of the 5spd . The engine was running at such a low rpm most of the time the battery wouldn't charge. If you have fans , radio, amps etc you'll be happy with the extra juice.
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