Are Pulleys worth it?
Are Pulleys worth it? I was contemplating purchasing a set of pulleys for my car (crankshaft and alternator). They list for $164 for a harmonically balanced pair. What kind of performance gain am i looking at? Is my money better spent on something else?
TECH Resident
Joined: Dec 2001
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From: Hawaii
Re: Are Pulleys worth it? Weren't there some issues with harmonics? I would like <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" /> to know more about this if anyone can shed some light.
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Launching!
Joined: May 2002
Posts: 219
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From: Owensboro KY
Re: Are Pulleys worth it? I've heard some complaints, especially with the automatic cars, running both the crank and alternator pullies. Seems the cars don't want to idle <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Verdad Gallardo Re: Are Pulleys worth it? my camaro never really dropped in idle rpm and didn't ever die on me. it was a 96Z. also both of my mustangs had the pulley kits on them. it may not give you more power that you will see, but the throttle response you will notice.
TECH Resident
Joined: Jan 2002
Posts: 754
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From: USA
Re: Are Pulleys worth it? </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by ZeeQuick:
<strong>I was contemplating purchasing a set of pulleys for my car (crankshaft and alternator). They list for $164 for a harmonically balanced pair. What kind of performance gain am i looking at? Is my money better spent on something else?</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">The back side of using 3rd party pulley and undersized ones is
If the pulley is not balanced correctly for the crank you will start getting misfires since pulley is taking crank out of balance and tripping the crank position sensor
I have seen this problem on many LS1 engines.
Smaller pulley will reduce the D/C since the alt is turning less. Over time that could puy out less load then the engine requires.
<strong>I was contemplating purchasing a set of pulleys for my car (crankshaft and alternator). They list for $164 for a harmonically balanced pair. What kind of performance gain am i looking at? Is my money better spent on something else?</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">The back side of using 3rd party pulley and undersized ones is
If the pulley is not balanced correctly for the crank you will start getting misfires since pulley is taking crank out of balance and tripping the crank position sensor
I have seen this problem on many LS1 engines.
Smaller pulley will reduce the D/C since the alt is turning less. Over time that could puy out less load then the engine requires.
On The Tree
Joined: Apr 2002
Posts: 184
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From: Knoxville TN
Re: Are Pulleys worth it? i read on a similar post that there are battery charging issues at idle speed. i had some pullies on a 3rd generation camaro and ruined two altenators(sp) before i took the pullies off. I know that the LS1s are better than the old v8 that i had it is just that i was thinking of getting some of them form my 02 Z28 and did not want to run into the same issues. anyone shed some light on this?
thanks
d
thanks
d
Teching In
Joined: May 2002
Posts: 13
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From: Vista, CA
Re: Are Pulleys worth it? You will have charging problems.... I don't care what especially with a stereo, or cooling fans running. I didn't 'notice' a gain but others have dyno numbers, so it has to help.
I don't know if this has happened to anybody else, and I know it has never happened before to me, but my belt just about came off last weekend. I popped the hood to show off the engine, there was black rubber dust everywhere, and the belt had about two ribs on the PS pulley. I slipped it back on, just worried if it will happen again.....??
I don't know if this has happened to anybody else, and I know it has never happened before to me, but my belt just about came off last weekend. I popped the hood to show off the engine, there was black rubber dust everywhere, and the belt had about two ribs on the PS pulley. I slipped it back on, just worried if it will happen again.....??
TECH Enthusiast
Joined: Apr 2002
Posts: 588
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From: Chesterton, IN
Re: Are Pulleys worth it? </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Ross:
<strong>You will have charging problems.... I don't care what especially with a stereo, or cooling fans running. I didn't 'notice' a gain but others have dyno numbers, so it has to help.
I don't know if this has happened to anybody else, and I know it has never happened before to me, but my belt just about came off last weekend. I popped the hood to show off the engine, there was black rubber dust everywhere, and the belt had about two ribs on the PS pulley. I slipped it back on, just worried if it will happen again.....??</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I think if I saw that on my car the only place I would drive it would be to the parts store for a new belt!
<strong>You will have charging problems.... I don't care what especially with a stereo, or cooling fans running. I didn't 'notice' a gain but others have dyno numbers, so it has to help.
I don't know if this has happened to anybody else, and I know it has never happened before to me, but my belt just about came off last weekend. I popped the hood to show off the engine, there was black rubber dust everywhere, and the belt had about two ribs on the PS pulley. I slipped it back on, just worried if it will happen again.....??</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I think if I saw that on my car the only place I would drive it would be to the parts store for a new belt!
