89 TII Rotor Bearings
11-25-02, 06:20 PM
#1
Senior Member
Thread Starter
iTrader: (5)
Join Date: Jan 2002
Location: Texas
Posts: 650
Likes: 0
Received 0 Likes
on
0 Posts
89 TII Rotor Bearings
I'm just want to know how high of an rpm can the stock 87-91 TII rotor bearings can take? I put in a 85 PSI Oil pressure regulator. Just wondering if I should change them because i'm in the process of rebuilding a motor. Any help would be appreciated. Also this motor is intended to run more than 15 psi and hit 8k RPMs with a T66. Any info will be appreciated, was thinking of chaning to 93-95 rotor bearings, but they are bit more than the stock ones.
11-25-02, 07:40 PM
#2
Rotary Freak
iTrader: (1)
Join Date: Feb 2001
Location: Sinking Spring Pa.
Posts: 1,790
Likes: 0
Received 0 Likes
on
0 Posts
I dont think its the bearings that you have to worry about for higher RPM's. If you want to upgreade them go with a window type bearing for better oil circulation. You may want to look at hardened stationary gears if you want to steep the RPM's up.
11-25-02, 09:27 PM
#3
HAILERS
Join Date: May 2001
Location: FORT WORTH, TEXAS,USA
Posts: 20,563
Likes: 0
Received 21 Likes
on
19 Posts
Indirect answer: The RACING BEAT and the MAZDATRIX catalogs give lots of information on subjects like this. Note: Their online catalog is not the one I refer to. You pay around 10 bucks for one and have it sent to you. Again, not just the items online at racingbeat.com or mazdatrix.com
11-26-02, 12:21 AM
#5
Senior Member
Thread Starter
iTrader: (5)
Join Date: Jan 2002
Location: Texas
Posts: 650
Likes: 0
Received 0 Likes
on
0 Posts
Hrm, I was talking about the Rotor bearings and not the stationary bearings, but that's OK. You all gave me good tips, is that when I took my friends engine apart the rotor bearings were scarred and the stationary gear bearings weren't. But I think i found the problem, the rotors were mismatch, wrong letters, on was a D rotor and the other one was a A, if that makes a difference.
Thread
Thread Starter
Forum
Replies
Last Post