Quote Originally Posted by tony1234 View Post
Hmm.i've got 1x4ch amp(50WRMS/ch.)driving speakers and 1x120WRMS amp driving a 10''sub.wonder if i'd have any problems re:battery longivity??BTW thanks for your feedback.
when running both amps at high volume, the current draw on your battery and consequently your alternater increases, if you alternater is running at a reduced level (which the pulley set will do) it will not be able to supply enough power to outweigh the power drain of the amplifiers... solution, higher capacity battery, or large capaciter... either option (or both) will help sort out the problem. the euro battery is too small for a good stereo install anyway, so it wouldnt harm you upgrading it.

my recommendation, if you want the pulleys, just dont run the amps on full for the last 5minutes of driving, that way the battery has a chance to charge so when you turn the engine off, you can start it again