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| Old School Rotary (Pre-1979) Pre-1979 Discussion including performance modifications and technical support sections | 
|  | Thread Tools | Display Modes | 
|  09-30-2014, 04:09 AM | #1 | 
| Rotary Fan in Training Join Date: Sep 2013 
					Posts: 62
				Rep Power: 13  | 
				
				Ignition timing help request
			 
			
			My 1975 13-B (from a REPU) has a '81-'85 RX7 breakerless distributor in it. The pulley has two timing marks on it. Can anyone advise me how to adjust the timing in this situation- i.e. how many degrees for Leading and Trailing? With, or without, vacuum attached? Thanks | 
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