you might wanna try MR. AMP ALTERNATOR, they claim 65 amps at idle compared to a claimed 20 stock amps at idle. 130 max output, keeps accessories operating at at peak level, maximizes ignition systems output, eliminates drain on battery that under-drive pulleys cause, reduces voltage drop to a bare minimum, boosts stereo performance, A/C output is enhanced, heavy duty regulator, internal fan leads to greater durability, optional high tech pulley with cooling vents, requires 6 gauge lead wire due to high output, and its available for CHEVY, Furd, and AMC carbureted engines.
voltage at idle without accessories; mr amp: 14.65. stock chevy; 14.65
voltage at idle with accessories; mr amp: 14.63. stock chevy: 13.00
this alternator is made /available through perormance distributors, and is not legal for sale or use in California on any pollution controlled vehicle, contact them at http://www.performancedistributors.com
oh and i copied this all out of an ad i got out of the new Petersens 4 Wheel & Off-ROad on page 147 at bottom left. and no i am not a salesman, the kids are trick or treating and this keeps me from going to the door. [img]/wwwthreads_images/icons/smile.gif[/img]
1974 GMC Jimmy