What's everyone's recommendation for power pulley's??? Anyone have dyno results??

 

I have the march pulley. Works good, looks good, and for the money was probably worth the horsepower. No complaints at all with the march

 

Where did you get yours from??

 

Is the LT1 just a crank pulley??

 

I got a MAC myself...it works just fine...

You can get an UD pulley and an alternator pulley if you want...

 

Am I the only one who noticed absolutely nothing after getting the Pulleys on?

 

You'll notice more gains after you do more mods...

 

I have the pulley and didnt notice much. I was stock when i did the pulley. I really dont like the design myself. Piggybacking the stock dampner on the underdrive seems kind of cheesy. I am currently looking at an underdrive dampner puller as one complete set. But i have the march and is nice quality with great instructions. pretty easy install too.

 

get an ASP crank pulley. it is by far the best out there. i have seen people get as much as 2 FULL tenths off it alone. it isnt a cheap stack on, it is a replacement. only way to go IMO

 

Which of these ASP crank's do you prefer?

34% crank, 15% alt
23% crank "nitride"
23% crank, 15% alt "nitride"
34% crank

Thanks!

 

Stay away from the alternator pulley, it does more bad than good.
I'd go with the ASP crank pulley, the smaller, biggest percentage, the better!

 

ASP is the only pully worth buying

 

So which of the above stated ASP crank pulley REPLACEMENTS would you or anyone else advise?

 

I am curious about this also. Is the 34% too much underdrive to charge the electrical system and work the power steering at slow speeds? It seams to me that it might be, but maybe not with an M6, anyone have experience with this...