Question about Pulley vs Performance
09-22-2005, 07:10 PM
#1
Question about Pulley vs Performance
Any body have any problems having a aftermarket Pulley and having it effect the Alternator which will effect your custom audio system like SUBs or anything like that.
Also, for the members with pulleys do you feel a differences in performance.
If so anybody selling their pulley?
Also, for the members with pulleys do you feel a differences in performance.
If so anybody selling their pulley?
09-23-2005, 07:12 AM
#7
Originally Posted by MaxGordon7
its not very much performance gain. It suppose to have less draw on the engine so it can rev quicker, and the components are spinning less so they should last longer
09-23-2005, 07:16 AM
#8
Senior Member
Join Date: Sep 2004
Posts: 848
if your worryed about a system and all electronics they have pulleys that are the same size as stock just lighter.http://www.sportcompactonly.com/prod...00103&c=22&l=2
09-23-2005, 10:00 AM
#9
09-23-2005, 12:12 PM
#11
Originally Posted by cardana24
I got a smaller pulley and gained about 40hp 
O'Really most people say theres no improvement or there is minimal gain but 40hp damn. Well I only have 1 12"sub but i took the bose out and put in mb quarts so my trunk is full of wires which I got to clean up soon.
BUT 40hp Damn anybody else?
............................I gained 50 to the wheels at redline 
09-23-2005, 12:26 PM
#13
Originally Posted by icedout
if your worryed about a system and all electronics they have pulleys that are the same size as stock just lighter.http://www.sportcompactonly.com/prod...00103&c=22&l=2
So with what you are saying is that size does matter and not the weight of the Pulley that will cause Voltage problems hmm... I not sure if that sounds right? I thought is because of the weight it.
09-23-2005, 12:39 PM
#14
the spin rates are the same, the smaller crank pulley diameter yields the alternator a smaller chargeability on the alternator. that is what causes voltage problems to your stereo's. weight loss of the pulley will ease up the crank's attempt to spin the crank pulley. weight loss plus smaller diameter will decrease the inertia for the engine to overcome, thus you release power required to spin that crank pulley. you don't really gain, in this sense, you get to release. inertia is like the "heaviness" you overcome before you get an object to motion. that's why weight reduction let's you rev the rpms quicker, but doesn't mean it spins more. the spinning is always the same. you only reach upper rpms quicker. it's a time dependant thing.
i have the motorstorm pulleys. one on the auto, and the other on a manual. for the auto, i can sense the "rev-ease-gain" a little better than the 5 speed. but overall, sense doesn't prove crap. also, i ran two 1000watt amps and a solo baric L7 with a 1 ferat capacitor. never had power surge problems so far. i also bought a yellow top optima battery just in case.
i have the motorstorm pulleys. one on the auto, and the other on a manual. for the auto, i can sense the "rev-ease-gain" a little better than the 5 speed. but overall, sense doesn't prove crap. also, i ran two 1000watt amps and a solo baric L7 with a 1 ferat capacitor. never had power surge problems so far. i also bought a yellow top optima battery just in case.
09-23-2005, 12:57 PM
#15
Originally Posted by cyu1
the spin rates are the same, the smaller crank pulley diameter yields the alternator a smaller chargeability on the alternator. that is what causes voltage problems to your stereo's. weight loss of the pulley will ease up the crank's attempt to spin the crank pulley. weight loss plus smaller diameter will decrease the inertia for the engine to overcome, thus you release power required to spin that crank pulley. you don't really gain, in this sense, you get to release. inertia is like the "heaviness" you overcome before you get an object to motion. that's why weight reduction let's you rev the rpms quicker, but doesn't mean it spins more. the spinning is always the same. you only reach upper rpms quicker. it's a time dependant thing.
i have the motorstorm pulleys. one on the auto, and the other on a manual. for the auto, i can sense the "rev-ease-gain" a little better than the 5 speed. but overall, sense doesn't prove crap. also, i ran two 1000watt amps and a solo baric L7 with a 1 ferat capacitor. never had power surge problems so far. i also bought a yellow top optima battery just in case.
i have the motorstorm pulleys. one on the auto, and the other on a manual. for the auto, i can sense the "rev-ease-gain" a little better than the 5 speed. but overall, sense doesn't prove crap. also, i ran two 1000watt amps and a solo baric L7 with a 1 ferat capacitor. never had power surge problems so far. i also bought a yellow top optima battery just in case.
Thanks for the Info I'm planning to run a 1000w 4ch. PPI amp and i didn't want to be stranded on the expressway I don't trust no Tow truck driver my car is too low
09-23-2005, 01:45 PM
#17
Originally Posted by MAXDADDY98
O'Really most people say theres no improvement or there is minimal gain but 40hp damn. Well I only have 1 12"sub but i took the bose out and put in mb quarts so my trunk is full of wires which I got to clean up soon.
BUT 40hp Damn anybody else?
BUT 40hp Damn anybody else?
09-24-2005, 02:33 PM
#20
Originally Posted by MAXDADDY98
Thanks for the Info I'm planning to run a 1000w 4ch. PPI amp and i didn't want to be stranded on the expressway I don't trust no Tow truck driver my car is too low
if you run over 1000 watts with udp, make sure you run at least a 1 ferat capacitor with them. if not, you'll have charge problems when the car idles too long.
09-28-2005, 04:56 PM
#25
Originally Posted by cyu1
if you run over 1000 watts with udp, make sure you run at least a 1 ferat capacitor with them. if not, you'll have charge problems when the car idles too long.
09-28-2005, 08:28 PM
#27
Originally Posted by nismology
It's actually called a FARAD capacitor.
it's been pretty long since i was into all that amplifier power consumption analysis stuff. i even worked part time at a automotive audio shop just to learn their secrets. it's well worth it and fun, but i've forgotten most of the technical stuff. only thing left is a little bit of engineering intuition.
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