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| Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... | 
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|  11-23-2013, 09:22 PM | #1 | 
| Rotary Fan in Training Join Date: Apr 2013 
					Posts: 59
				Rep Power: 13  | 
				
				EFR Internal Waste-Gate Discussion
			 
			
			I thought a few of you guys might be interested in some of the latest on the BorgWarner EFR turbochargers, especially the viability of the internal waste-gate turbine housings. The 7670 and 8374 are pretty well suited for most 2 rotor applications. The 7670 is particularly nice for a sub 400rwhp car looking for ultra fast response, and the 8374 for the 500~ish rwhp cars. Anyhow here is part 1 of the 7 EFR turbo systems we are building( some we are also tuning in house too).  http://blog.turbosource.com/2013/11/...rotary-engine/ | 
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