What's the difference between a ball bearing turbo and a non ball bearing turbo?

Balls... :)

This is easier:

Ball Bearing vs. Journal Bearing

15% improvement in spooling! Wow!

Right! How can you not get this upgrade

When I made the switch on my own car, I honestly did not feel a big difference. The upgrade is $525 as well, and some customers like to use that money towards something else.

The JB turbo on the test mule car already spooled to 10psi by 3600rpm. That is very responsive.

I've been all over this forum when it comes to FI. I've unsubscribed to all the rest except for F.I. Kinda of a relief Tony speaks so highly of you Sasha that I would think y'all were best friends!

I have been working like a crazy man in my shop on my BP install, here’s an update.

I have had some time in between part shipments to work out some details on wideband and boost controller vacuum sources, also required is a vacuum source for the BOV. With those needs in mind I decided to install a vacuum header. I purchased the header here: Vac Header

I found a nice spot inside the brake/clutch fluid reservoir location to mount the manifold. I am also installing an AEM failsafe gauge (wideband/AFR) and an HKS type S boost controller, getting through the firewall at this location is not too bad, there is a large rubber wiring boot that allows access. I added a Z1 motor sports sticker I had laying around.

I have a ton more pics of all the install, it’s too much work right now to put together a build thread with all the work I have already done, that will come later.

http://i393.photobucket.com/albums/p...ps6fa821e1.jpg

Install pics...

Tune next Friday

http://i393.photobucket.com/albums/p...ps5f4c10f1.jpg

http://i393.photobucket.com/albums/p...ps0ae2f6fa.jpg

http://i393.photobucket.com/albums/p...ps92fd5bbb.jpg

Open dumps! :tup:

Here is my dyno sheet. 93 octane.

High boost when using the HKS boost controller, low boost using the waste gate springs.

https://farm9.staticflickr.com/8099/...5e1f4abe_c.jpg

Nice! :tup:

Is the first run the "Base tune"?

Glad to see you got a dyno starting at 2k rpm :) Power comes on smooth and stays there.

This is the final numbers.

First run using the base tune was around 460hp.

460 is pretty good for the base, I assume its the same tune I am running right now.

Awesome numbers, 2 more weeks for me :)