How to measure Procharger Pullies?

Reply Subscribe

Thread Tools

Search this Thread

Jan 27, 2011 | 09:36 AM

mattster03

Thread Starter

10 Second Club

iTrader: (22)

Joined: Sep 2005

Posts: 309

Likes: 0

From: Bellingham, WA

How to measure Procharger Pullies?

Trying to figure out what size pulley came on my head unit... the pulley has no stamped size/part# on it. Is the diameter measured at the bottom of the rib relief? Top? Maybe Middle?

Is there a certain formula that can be used? E.G. overall outer diameter minus 3/4" = pulley diameter? Thanks in advance!

Jan 27, 2011 | 10:17 AM

LS1RedZ

12 Second Club

iTrader: (19)

Joined: Mar 2005

Posts: 3,080

Likes: 1

From: Waco, TX

Thats weird there is no number stamped on it. Im sure Bob knows or give Procharger a shout.

Jan 27, 2011 | 10:21 AM

ChevyChad

8 sec potential, 12 sec slip

iTrader: (50)

Joined: Apr 2002

Posts: 4,092

Likes: 2

From: Savannah, GA

Have you looked at both sides of the pulley? The number is always stamped on every one of them that Ive ever seen..

Jan 27, 2011 | 10:29 AM

Awake455

TECH Regular

Joined: Jan 2005

Posts: 475

Likes: 0

From: Orlaanndoooo

They weren't always stamped. The measurement is taken on top of the ribs, not down in the grooves.

Jan 27, 2011 | 10:58 AM

mattster03

Thread Starter

10 Second Club

iTrader: (22)

Joined: Sep 2005

Posts: 309

Likes: 0

From: Bellingham, WA

Yeah... checked both sides of the pulley. Not sure, it might be an "off brand" non-ATI pulley. Thanks for the info on measuring to the top of the ribs... looks like I have a 3.75 pulley! Good thing I have a 3.4 and 3.1 on the way

Jan 28, 2011 | 05:23 AM

Bob@BruteSpeed

LS1Tech Sponsor

iTrader: (16)

Joined: Mar 2003

Posts: 21,020

Likes: 35

From: Roanoke, IN

Quote:

Originally Posted by ChevyChad

Have you looked at both sides of the pulley? The number is always stamped on every one of them that Ive ever seen..

I haven't ever seen an actual ProCharger pulley either that wasn't stamped. Bob

__________________
ATI ProCharger and Moser Sales 260 672-2076

PM's disabled, please e-mail me
E-mail: brutespeed@gmail.com ob@brutespeed.com
https://brutespeed.com/ Link to website