Lets talk pulley

NorthStyle · 02-11-2025, 01:14 AM

Quote:

Originally Posted by ZoomZ

I am happy to say new ATI pulley is in.

Had to make a crankshaft-to-tool adapter to fit our M16x1.5 crank pulley bolt threads.

Used the Proform 66514 pulley install/removal tool. However, had to remove the electric fans for more clearance. Otherwise worked as described. https://www.proformparts.com/product...ol-fits-all-gm

Did NOT have to clearance the ATI pulley hub. ATI told me, I should have about 0.0001" clearance. I measured around 0.0004" maybe less.

With some Anti-seize on hub ID, the pulley pressed on smoothly and evenly without effort. I even got the 90 degree final torque as well.

What'd you use to make the adapter for the Proform tool? I had to order a set of pry bars to try and remove the pulley but wanted a backup just incase.

ZoomZ · 02-11-2025, 10:35 AM

Quote:

Originally Posted by NorthStyle

What'd you use to make the adapter for the Proform tool? I had to order a set of pry bars to try and remove the pulley but wanted a backup just incase.

I had initially told the machine shop that 3/4 hex steel stock would work best to incorporate the wrench flats into adapter.

He didn't have any, so he just used round stock and machined the flats.

Picture in next post.

ZoomZ · 02-11-2025, 10:38 AM

here is adapter I had made.

NorthStyle · 02-11-2025, 12:16 PM

Quote:

Originally Posted by ZoomZ

here is adapter I had made.

Would you be willing/able to make another or sell the one you have (if you're no longer using it)?

ZoomZ · 02-17-2025, 12:08 PM

Quote:

Originally Posted by NorthStyle

Would you be willing/able to make another or sell the one you have (if you're no longer using it)?

A friend of mine made this for me so I can't really ask him to make another for free.

Also, I'll need this for the pulley removal when needed.

I can give you the specs if you like or anyone else. I'm sure there are far more machine shop services in US and cheaper.

There is also this guy who sells them: https://shoprelentlessracing.com/pro...1cbdb67e&_ss=r

A bit pricey but I doubt a machine shop can make it for you for less. It would cost me over $100 cdn to gets this shipped to Canada (exchange+shipping)

Let me know if you want the specs.

ZoomZ · 02-17-2025, 12:14 PM

His install video (not VQ but same idea) Listen/watch carefully, he spits out materials required and thread pitches. ( I have those anyway)

https://www.youtube.com/watch?v=WIfXdG889jY

02-17-2025, 12:14 PM	#6 (permalink)
ZoomZ Track Member Join Date: Jan 2017 Location: Vancouver, BC Posts: 779 Drives: 17' 370Z Nismo Rep Power: 40618	His install video (not VQ but same idea) Listen/watch carefully, he spits out materials required and thread pitches. ( I have those anyway) https://www.youtube.com/watch?v=WIfXdG889jY NorthStyle likes this. __________________ “Action without vision is a nightmare.” Last edited by ZoomZ; 02-17-2025 at 12:15 PM. Reason: add

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