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79 Concord 4 speed |
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matty 401 
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Joined: Jul/06/2007 Location: Iowa Status: Offline Points: 1467 |
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 Topic: 79 Concord 4 speedPosted: Sep/22/2020 at 7:48pm |
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looking for a clutch for my son's Concord has anybody put the 4.0 set up in one and used the regular linkage you can get a flywheel and clutch kit for the 4.0 that should bolt up to the 258 and the spline count is the same on the trans
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72 matador 401 the beast
79 concord 2 door 72 matador 304 grasshopper 68 Rogue 360 93 Cherokee 2wd 4.0 5 speed |
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tomj
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Joined: Jan/27/2010 Location: los angeles Status: Offline Points: 5049 |
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Posted: Sep/22/2020 at 11:00pm |
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It's not clear what you are asking for. What transmission? Is this a replacement for an existing setup? Research on a new installation?
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1961 roadster american, 195.6 OHV, T5
1968 american, 199ci, T14 AMC pages: http://www.sr-ix.com/AMC/ |
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matty 401
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Joined: Jul/06/2007 Location: Iowa Status: Offline Points: 1467 |
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Posted: Sep/23/2020 at 5:54am |
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looking for a clutch it is a factory 4 speed car
Edited by matty 401 - Sep/23/2020 at 10:11am |
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72 matador 401 the beast
79 concord 2 door 72 matador 304 grasshopper 68 Rogue 360 93 Cherokee 2wd 4.0 5 speed |
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farna
Supporter of TheAMCForum 
Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 17367 |
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Posted: Sep/25/2020 at 6:35am |
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The four speed in a 1979 is an SR-4 and was barely adequate for a 258 six. It was used behind a 304 in the Spirit AMX (only in Spirit body, and I think only AMX... but may be wrong there), but really wasn't strong enough for ANY horse-play at all. I've seen a few worn out SR-4s in Spirits with 258s in them, though they are rather high mileage (80-100+K.. not high mileage for today's cars, but was back then). Those cars had been fairly abused by youngsters though. If it was driven normally and only abused on occasion it should be... adequate. I wouldn't put a 4.0L in front of one though. If you do a 4.0L swap you need a WC T-5 or the BA10/5 (which is fine for a light street car, barely adequate for a truck... close to the strength of the WC T-5, stronger than a Non WC T-5) or AX-15 (strongest!) that came with the 4.0L.
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Frank Swygert
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Buzzman72
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Joined: Sep/15/2009 Location: Southern IN Status: Offline Points: 1945 |
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Posted: Sep/25/2020 at 9:14am |
I agree. I was a parts manager in an AMC dealer in 1979-80 and we had to replace a SR-4 behind a 304 in a '79 AMX under warranty. Factory service rep wasn't happy, but it happened. Yes, that transmission was marginal behind a strong 258.
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Buzzman72...void where prohibited, your mileage may vary, objects in mirror may be closer than they appear, and alcohol may intensify any side effects.
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6768rogues
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Joined: Jul/03/2007 Location: United States Status: Offline Points: 5572 |
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Posted: Sep/25/2020 at 11:25pm |
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I have a 4.0 in my 66 American convertible and it has an AX15 behind it. It works well and any parts store has clutch parts.
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Why Ramblers? Chicks dig 'em. Whatever it is, I can take it apart.
Located near Rochester, NY |
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kenoshakicker
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Joined: Feb/14/2015 Location: PA Status: Offline Points: 399 |
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Posted: Sep/26/2020 at 4:05am |
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IMHO I think he is asking if a clutch kit for a 4.0 will work with his son's factory 258 4 speed car.
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matty 401
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Posted: Sep/26/2020 at 9:08am |
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parts store do not list a clutch kit for his 258 i went back a couple years and found a clutch for a v8 hoping that will work
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72 matador 401 the beast
79 concord 2 door 72 matador 304 grasshopper 68 Rogue 360 93 Cherokee 2wd 4.0 5 speed |
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matty 401
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Joined: Jul/06/2007 Location: Iowa Status: Offline Points: 1467 |
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Posted: Sep/28/2020 at 5:55am |
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is is a 3 finger style but bolted right up works like it should
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72 matador 401 the beast
79 concord 2 door 72 matador 304 grasshopper 68 Rogue 360 93 Cherokee 2wd 4.0 5 speed |
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farna wrote: