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bob401 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bob401 Quote  Post ReplyReply Direct Link To This Post Posted: Sep/20/2013 at 5:44pm
Originally posted by fast401 fast401 wrote:

I am interested in a pair of shorties because of ground clearance issues.  Can they be at least        2 1/2 or maybe a prefered 3 inch collector?  I found with the dyno test that the edelbrock shorties did very little ( a 2.5 hp gain and 10 ft lbs) over the massaged factory freeflows.


Im curious what were the dyno tested on?  horsepower level , engine out of car or at the rear wheels?? And how massaged were the factory free flows? Im thinking I might want to go back to manifolds.. 
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fast401 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fast401 Quote  Post ReplyReply Direct Link To This Post Posted: Sep/20/2013 at 10:27pm
The test was done on an engine dyno with a 30over 401.  The manifolds were massaged around the AIR humps (flattened out).  The HP numbers could have been better but I am running the Offenhauser 2 X 4 intake which is somewhat restrictive.  The results were:
 
366hp and 401 torque  Massaged manifolds
368hp and 411 torque  Edelbrock shorties
382hp and 430 torque  Long tubes
Disturbing the peace since 1970!!!   AMX 19245
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bob401 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bob401 Quote  Post ReplyReply Direct Link To This Post Posted: Sep/23/2013 at 5:10am
Thanks for the reply... The next time i need to pull my engine 1/2 way out I will be more inclined to do pull them.   Might as well start grinindinG my other manifolds...LOL
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purple72Gremlin View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote purple72Gremlin Quote  Post ReplyReply Direct Link To This Post Posted: Dec/01/2014 at 10:39pm
Id be interested in shortys if they fit a small car.
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SirDigger View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SirDigger Quote  Post ReplyReply Direct Link To This Post Posted: Jan/10/2015 at 4:26pm
Any news to the shortys? Al 
SirDigger&his german Friends are looking for Parts http://theamcforum.com/forum/the-german-amc-forum-ambassadorsirdigger-needs_topic83570.html
1970 Javelin SST 304
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rsrguy3 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rsrguy3 Quote  Post ReplyReply Direct Link To This Post Posted: Jul/28/2015 at 3:22am
Yes please shorty info.
javguy
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javelinman74 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote javelinman74 Quote  Post ReplyReply Direct Link To This Post Posted: Jul/28/2015 at 9:31am
Thank You Al!
For all the great items and support to the hobby!
Blessings
Richard
AMO Treasury Sales
www.a70sthingautomobilia.com
It Used To Be an AMC Thing...
No One Understands!
1982 Concord T4spd Wagon & 1977 Pacer DL 43K miles!
Daily Drivers(ing)from 1995 to date...
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401harry View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 401harry Quote  Post ReplyReply Direct Link To This Post Posted: Jan/03/2017 at 4:38pm
Are the long tube headers still available? 
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71 Javelin AMX O.O. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 71 Javelin AMX O.O. Quote  Post ReplyReply Direct Link To This Post Posted: Jan/04/2017 at 10:20am
I also have issue with my original Doug Thorthly headers frying the original starter and not wanting to go with an aftermarket mini starter.
Will I still need to install the right side header and the starter at the same time? Is there more clearance at the starter head, giving it more cooling room? A picture of the header and starter would be great.
Steve
Original owner
1971 Javelin AMX
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Scene One View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Scene One Quote  Post ReplyReply Direct Link To This Post Posted: Jan/04/2017 at 8:14pm
Originally posted by 401harry 401harry wrote:

Are the long tube headers still available? 

Yes, but as I understand it they are out of stock currently. I was told there next order would be arriving in Feb. I am patiently waiting to get a set myself. They have a good web-site if you would like to check them out.
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