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200r4 swap ? |
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16591 |
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oldguy
AMC Apprentice Joined: Nov/07/2011 Status: Offline Points: 94 |
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I was going to mention those two
I have an advance in the AMX. Those guys were very helpful when I changed engines
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vinny
Supporter of TheAMCForum Joined: Jan/05/2012 Location: Calgary Status: Offline Points: 2837 |
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I am a little confused here. As I recall the transfer case is behind the transmission and I had to take that off before taking out the transmission. How did the TH400 get to the 360 without an adapter?
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304-dude
AMC Addicted Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9081 |
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The AMC version of the Th400 was a unique case. I have a 78, and did not know 74 had been the starting year, as I thought it was a 3 year run only. No adapter, other than the crank flange bushing being different than the TF 727/904 version and the odd flex plate. |
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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Aus69Jav
AMC Apprentice Joined: Jun/01/2014 Location: Australia Status: Offline Points: 93 |
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You wont find it listed on the web site. I contacted the owner and asked if he had a solution for AMC to 200 4R. He offered AMC ultabell, flexplate, converter and and alignment bush as a kit. The have all the details to get the converter correct. |
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jimd
AMC Apprentice Joined: Jan/01/2009 Location: Oneida, NY Status: Offline Points: 158 |
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Did he give you any prices ?
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Aus69Jav
AMC Apprentice Joined: Jun/01/2014 Location: Australia Status: Offline Points: 93 |
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Price was $800 for kit but that was 18 months ago. I think it is good value compared to an adaptor plate. JW Ultrabell is great idea if you plan to go to the track. |
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Red20
AMC Addicted Joined: Jan/29/2013 Location: Oceanside CA Status: Offline Points: 1556 |
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I used a 2004R behind the 360 in my Javelin with a Novak adapter a while ago. I bought the Novak adapter when I built the car in Hawaii due to the unavailability of 2 wheel drive AMC transmissions in Hawaii. Not hard to find a GM transmission, though.
I was running a TH-350 before and the 2004R is the same length, so I didn't have to do any driveshaft work. The 2004R has a closer 1-2 ratio. The 700R4 has a deep 1st gear. In a truck, that might be nice. In a car with a 2.87 rear gear, it could be ok. But anything like a 3.73 and lower and the 700R4 ends up with an almost worthless 1st gear in a lot of situations, IMO. There are a lot of options out there for building a bulletproof 2004R. And the converters are out there too, lock-up and non-lockup. I had a 3500 stall for a while and also ran a 2000 stall. For me, the Novak piece is definitely worth it for the transmission options. A used TH350 can be had for beans and built cheaply. If you're patient, a 2004R can eventually be found for a decent price too. |
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1969 Javelin SST "Screamin' Banana" - Totaled Feb 2018
1973 Hornet Sportabout X "yellajack" - 360/727/TracLoc DAILY DRIVER |
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