What do i need for a pulley swap

[Swole]

Alright i'm still confused on what exactly i need to run for a smaller pulley. I need an upper pulley i know for sure. Now whats the deal with "idlers" or "lowers". I'm looking to buy a set on Lethalperformance.com but i have no idea what im looking for. Most kits come with a "snub" or "hub" which i have no idea what those are.

is this what i need? Help me out guys.

http://http://www.lethalperformance.com/pages-productinfo/product-7852/bf-nonslip-3-billetflow-03-04-cobra-non-slip-pulley-systemhub-and-3-pulleys.html

 

[snake134]

for best results use the 4 pce idler set with the snub idler....billetflow im guessing?

 

[snake134]

http://www.lethalperformance.com/pa...bra-snub-idler-bracket-w-4-idler-pulleys.html
i recommend that

 

[Swole]

^^^^^ Do i need a seperate upper pulley?

 

[HandoZiZle]

^^^^^ Do i need a seperate upper pulley?

yes, thats just all of your idlers + the snub idlers. you will need an upper pulley kit with the hub and ring...if you need more boost then you add the lower pulley

 

[Swole]

alright, so get those an upper, and a lower correct? Can someone post a link to a lower so i know the right one to get. I want to run close or around 15lbs if thats possible.

 

[Swole]

wow lower pulley sets are 350 bucks lol!? they are made by metco correct?

 

[Fat-cat]

yes metco make some as well as LFP think makes there own version

 

[Screamin Cobra]

Run an upper pulley (BF 2.76), you will need a new belt for the setup that corresponds to idlers/pulley sizes (BF), CAI or RAI (JLT) & exhaust (midpipe/catback of your choice), Idler pulleys (BF), Billetflow IRS diff. cover brace, spark plugs (NGK TR6 gapped at .035 [confirm with tuner]) and a dynotune with air/fuel's around 11.6 across the board.

recap: Upper Pulley, 3x100mm - 1x90mm idlers w/ snub bracket, Cold Air Intake, exhaust, Dyno-tune, Spark plugs, Supercharger Belt. Talk to Derek or Jared at Lethal and they will set you up with just what you need.

You should be around 450-475rwhp and rwtq with this setup, considering you have at least a 2.76 pulley (15psi). I, personally, would not recommend a lower pulley until you decide to run more boost and/or with a port if you ever go that direction. An upper pulley will get the job done just fine.

You would also benefit from a Heat exchanger and JLT CAI or lower IAT1/2 temps. This may get somewhat pricey but this is pretty much what you would need for starters and reliability.

Here are some videos of Untamed Snake's 04 Cobra with pretty much the same setup that you are interested in except with a 2.8 upper pulley.

http://videos.streetfire.net/video/c214eab4-266a-4617-b2b2-999501393d53.htm

http://videos.streetfire.net/video/6e8c24cb-7c90-49e4-804e-99a9005a7495.htm

Andrew :beer:

 

[SicStang03]

I have a BF 2.76 and a 100mm idler.. Stock belt I see around 13-14lbs depending on the temp outside...

 

[Swole]

thanks for your help guys