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gone-ot · 04-21-2015, 07:49 PM

OOPS! I guess I was remembering 2.93 (correct) vice 2.73 (wrong) ratio. But, I can say that my 1970½ 340/6BBL engine did NOT have an airpump, so I'm guessing maybe the airpump was only used on California cars.

04-21-2015, 07:49 PM	#12 (permalink)
gone-ot ...beats walking... Join Date: Jul 2009 Location: . Posts: 6,190 Thanks: 179 Thanked 1,525 Times in 1,126 Posts	OOPS! I guess I was remembering 2.93 (correct) vice 2.73 (wrong) ratio. But, I can say that my 1970½ 340/6BBL engine did NOT have an airpump, so I'm guessing maybe the airpump was only used on California cars.