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Tom Wesenberg · 01-14-2015, 06:27 PM

Yep, I used to do that for newer cars back in the 70's, including my 1962 Chevy 283 with stick and overdrive. Still couldn't get the mileage above 18 MPG.

01-14-2015, 06:27 PM	#3
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: How to: Jet flow test? Yep, I used to do that for newer cars back in the 70's, including my 1962 Chevy 283 with stick and overdrive. Still couldn't get the mileage above 18 MPG.