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amc hornet motor swap |
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zeniecki14 
AMC Fan 
Joined: May/15/2014 Location: wisconsin Status: Offline Points: 3 |
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 Topic: amc hornet motor swapPosted: May/15/2014 at 2:00pm |
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I was looking to do a 350 swap to my 1974 hornet and was curious as to what would be the best motor and what would all need to be done.
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zeniecki14
AMC Fan
Joined: May/15/2014 Location: wisconsin Status: Offline Points: 3 |
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Posted: May/15/2014 at 2:02pm |
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this hornet is also planned on becoming a drag car
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401jim
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Joined: Jan/07/2012 Location: Brunswick,Ohio Status: Offline Points: 793 |
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Posted: May/15/2014 at 3:07pm |
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A well built amc 360 will run circles around a sbc 350. Mine will rip off 11:70's all day long. I just don't understand why some want to do this kind of swap!!!!!!!!!!!!!
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70BBOAMX
AMC Addicted 
Joined: Sep/30/2008 Location: South Carolina Status: Online Points: 568 |
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Posted: May/15/2014 at 6:28pm |
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AMC 360's are plentiful, easy to make power with, and inexpensive to obtain. Just look.
http://augusta.craigslist.org/pts/4454634797.html |
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Rogue401
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Joined: Nov/26/2010 Location: New York Status: Offline Points: 1280 |
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Posted: May/15/2014 at 9:29pm |
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Go to a Camaro form and ask about putting a Ford in it...
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Sonic Silver
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Joined: Nov/23/2011 Location: East Tennessee Status: Offline Points: 7949 |
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Posted: May/15/2014 at 9:56pm |
Plus, the small block Chevy has been pretty well sorted out over the years by about a million people. If the guy likes the Hornet body style and wants to race, why not ? Why should he cobble up some old AMC engine just to keep a few people in the hobby happy? They aren't going to pay him anything for his car anyway. |
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purple72Gremlin
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Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16611 |
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Posted: May/15/2014 at 10:00pm |
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73jav
AMC Apprentice 
Joined: Sep/29/2009 Location: Owosso Michigan Status: Offline Points: 108 |
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Posted: May/16/2014 at 5:39am |
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Here we go again, and you grab the bait hook line and sinker
 If ya dont like it dont reply
and the thread will be lost to oblivion
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Ken_Parkman
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Joined: Jun/04/2009 Location: Ontario Status: Online Points: 1814 |
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Posted: May/16/2014 at 8:33am |
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On a technical basis the AMC has about a 10% better cylinder head CSA and a little better fundamental architecture, obviously with some pros and cons. While the AMC is a better design to make power the chevy has an overwhelming better performance parts availability. As well the AMC is a bolt in with factory components, and mounts, shifters, headers etc do not have to be fabricated or adapted.
For a basic bracket car, say 11 or 10 seconds in the 1/4", an AMC is clearly superior as it is a bolt in, and less expensive to go fast due to the basic superiority of the engine. The better heads mean you can make more power without buying new heads, and what is easilly available for the AMC is excellent for a basic combination. It is an expensive core to find a 401, but with those all you need to change is the pistons to go very very fast, so the core expense may be worth it.
For example I was at the track last weekend shaking down a new combination with a friend. It is a very basic bracket style 401, forged replacement pistons, ported stock heads, 10.0 compression and true pump gas, mid size solid cam, torker and a decent carb. The important part is it had a top notch 8" converter, critical to any success and regardless of the engine choice. At about 3000 lbs the thing went 10.60 at 127.5 mph, and there is no way a SBC can do that with such an mild combination.
Faster than that it's a debate if the SBC parts availability makes up for the better AMC design. I don't have a problem finding the parts, although it does cost more. A big advantage of the SBC is it is a "cookbook" engine where you pick a recipe and don't have to think. But to me it is much more rewarding to make a unique combination go well, and the basic package really is excellent. Anybody can have a SBC, people look when you do it with an AMC.
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nda racer
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Joined: Nov/28/2009 Location: Ohio Status: Offline Points: 2591 |
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Posted: May/16/2014 at 9:35am |
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I dunno. A Chevy has so much selection, you have to be able to think. Lots of slow Chevy's out there, cause of poorly chosen parts (bad combos). Since the AMC head is so great, it takes a lot less talent/thought to go fast, since the factory already did most of the work for you.
AMC has like 3 intakes and most people are extremely confused about which to choose, so imagine them with a Chevy with 300 intakes.  Exaggerated yes, but making a point. Then they start choosing heads..... what a mess that would be. How many stock vs Eddy are there and most are still confused, cause the topic keeps popping up?AMC has a cookbook right here as well and some "Powerblock" TV builds, etc. Just people choose to ignore them at times. |
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401jim wrote: