best ruler of thumb ever... 1cc = 1Hp at crank![]()
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only works on 6cyl but prooves to be very accurite!
					
						
					
				
			
			 
			
				You will need to have a piggyback to lean it out. The stock computer will run it but not be able to compensate for the best power.
These will support up to 250- 270rw with stock fuel pressure.
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