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-   -   Pulley's on an A4? (https://ls1tech.com/forums/generation-iii-external-engine/48188-pulleys-a4.html)

h53speed Aug 15, 2002 04:28 PM

Pulley's on an A4?
 
Just curious what the drawbacks are when running both a crank and alternator pulley on an A4. Is it possible just to run the crank pulley? Thanks.

AlonzoVersion 1.0 Aug 15, 2002 04:36 PM

Re: Pulley's on an A4?
 
Yes that is what pretty much everyone runs is just the crank pulley.I wouldnt recommend the alternator pulley as it will drain it quickly.

5150Z28 Aug 15, 2002 05:25 PM

Re: Pulley's on an A4?
 
The crank pulley is all you'll need. That what most of us with A4's are running.

12secSS Aug 16, 2002 05:33 PM

Re: Pulley's on an A4?
 
Guys, there are two alternator pulleys. One is an under drive, which will kill batteries on A4s. The other is an over drive pulley, which will help with charging on A4s. I am considering running an under drive crank pulley with and over drive alternator pulley, and mine's an A4.

John02SS Aug 16, 2002 06:23 PM

Re: Pulley's on an A4?
 
The ASP is fine for auto, but most just go with the crank pulley as stated above. On my M6 I could feel the increase.

John

35th SS Aug 19, 2002 04:21 AM

Re: Pulley's on an A4?
 
just install the crank pulley.youll be fine.

98TAauto Aug 19, 2002 08:10 AM

Re: Pulley's on an A4?
 
Ive got the crank pulley and no probs. Just dont do the ALT pulley cause its gonna drain the battery big time at lights. Mine dims a little with the crankpulley, but its no biggie.

gains from the ALT pulley are so small it isnt worth it. Your looking at a good tenth form the crank <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

Ragtop 99 Aug 19, 2002 08:48 AM

Re: Pulley's on an A4?
 
</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by 98TAauto:
<strong>gains from the ALT pulley are so small it isnt worth it. Your looking at a good tenth form the crank <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I totally agree.

Unless you spend most of your time at idle, the charging issue with a crank pulley is minimal or non-existant.


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