First-Ever Encounter - Rare Mexican Headers

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   NAFTA means no import duty on anything made in Mexico so no worries there. Mauricio knows where my Lerma is, he can throw a few sets in the back and I will be driving it back to New York in a month or so. 
Mitch

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mitchito Members Profile Send Private Message Find Members Posts Add to Buddy List AMC Apprentice Joined: Oct/02/2016 Location: Brooklyn, NY Status: Offline Points: 210	Post Options Post Reply Quote mitchito Report Post Thanks(0) Quote Reply Posted: Mar/29/2017 at 9:52pm
	NAFTA means no import duty on anything made in Mexico so no worries there. Mauricio knows where my Lerma is, he can throw a few sets in the back and I will be driving it back to New York in a month or so. Mitch
	1982 Rambler Lerma 1981 Rambler Lerma coupe 1978 American (Concord base) 1977 Gremlin 1976 Pacer X

uncljohn Members Profile Send Private Message Find Members Posts Add to Buddy List AMC Addicted Joined: Jan/03/2013 Location: Peoria AZ Status: Offline Points: 5394	Post Options Post Reply Quote uncljohn Report Post Thanks(0) Quote Reply Posted: Mar/30/2017 at 10:43am
	As to duals or headers on a street engine I-6 I have never really felt that they were worth the expense to install. The engines are small and a large single pipe seems more than adequate. That said, I have a single pipe manifold that I bought used from a Jeep salvage yard on the 258 in my Spirit running through the a high flow catalytic converter and a 16 inch glass pack. I am using the Chrysler fuel injection which makes the whole thing smog legal which at the time was important and still is registered that way. Personally I like the growl the thing sounds like and it has been trouble free for 50,000 miles.
	70 390 5spd Donohue 74 Hornet In restoration 76 Hornet, 5.7L Mercury Marine Power 80 Fuel Injected I6 Spirit 74 232 I-6, 4bbl, 270HL Isky Cam

81eagle88 Members Profile Send Private Message Find Members Posts Add to Buddy List AMC Apprentice Joined: Apr/22/2016 Location: Hadley, NY Status: Offline Points: 136	Post Options Post Reply Quote 81eagle88 Report Post Thanks(0) Quote Reply Posted: Mar/30/2017 at 12:02pm
	Hudson found the a single large exhaust pipe was better breathing for the large 308 cu in six cylinder. NASCAR victories in the early fifties proved that a powerful torquey engine could beat the bent eights especially with a low center of gravity and a tight unit body. Nash's unit body further proved its viability. As a cars engine is essentially an air pump, more air in with more out via the scavenging effect of the large pipe increased the hp. Hudson was putting out 210 horsepower plus above the early V-8's. Not bad for an engine that turned <5000 rpm. I just personally liked the sound of the dual pipes, my 53 Super Jet had dual exhaust with straight pipes until the Judge suggested otherwise...