alot of people have trouble with g.e.r. converters i have cut a few of them open and thrown them in the scrap 
 
the precision converters depend when you buy there most expensive converter you get a good unit as long as it doesn't have a sprag 
 
i build converters identical to precisions expensive converters 
here is what they cost for an aod c6 or c4 unit 
 
up to 400 hp has stock sprag  625.00 
unlimited horsepower spragless (race only) 650.00 
unlimited horsepower serious duty sprag   1000.00 
 
all have a 2 yr unlimited mileage guarantee  
and stall is variable to whatever you need 
these are 245 mm converters identical to those built by precision except precision doesn't use the expensive sprag type 
i highly recommend spragless for any race only application 
most any good converter shop can build these exact same units for you the parts come from a company called sonnax industries 
they make some really great parts  
in 6 years of building them i have not had a failure yet with a spragless converter 
we offer cleaning and repair services of other companies aftermarket converters as well 
in some cases i can completely refresh your converter for 75 dollars 
pm me if you need anything fixed or built 
		
	
		
		
		
		
		
		
		
		
		
	
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