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| RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. | 
|  | Thread Tools | Display Modes | 
|  03-20-2013, 11:39 AM | #6 | 
| Rotary Fanatic Join Date: Jul 2011 Location: Jacksonville, FL 
					Posts: 273
				Rep Power: 15  | 
			
			I think I have GL5, but the online manual said you could use either 4or5. The main reason Im doing this is my 2nd and 3rd gear schrynos are basically shot and I was told by a couple people changeing into a better gear oil could help them shift into gear better.
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