Quote:
Originally Posted by vstech
ok, 9.5v, sucks. that's bad supply. it looks like you do have a battery issue, or at least a connection problem. a new duralast should be doing better than that. once you verify that the battery itself is only putting out 9.5 cold on the glow, you can be assured a good battery will be putting out nearly 11v.
ok, does your car have a block heater on it? you may need it to get started in the teens...
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I have at least a 3 or 4 year old duralast in my 77 and it does the job fine, it is about $100 at autzone, one of most expensive battery they sell. on my 77 i get 11-12 volts when I first turn the car to the GP postion and it drops accordingly.
If you are getting 9.5 volts then it sounds like you get some high resistance in the plugs or the Gp wires, a bad battery, not fully charged battery @ 12.6 volts.