i just finish my lx, 410 gears, 2800 stall, b&m shift kit, cold air intake, bbk headers, E303 cams and i am having some altenator issues, i just got mine rebiult to 100amps and i have a red top batterybut the volt guage on dash is reading real low when sittn still, it does rise about half way when driving.. any suggestions

 

If you went to a 1 wire setup - most of them don't charge at idle due to low engine speed. otherwise, something is wrong with the V regulator or the rebuild.