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Need Guidance: 287 4-speed conversion |
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FunkyStickman
AMC Apprentice Joined: Apr/16/2015 Location: Louisiana Status: Offline Points: 39 |
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Posted: Apr/19/2019 at 8:53am |
I've got a '65 Marlin with a 287 and a 3-speed auto. I'd like to build this into a decently fun and reliable street car, and I'd really love to convert it to a 4-speed.
I know the bellhousing pattern for Gen1 engines doesn't fit Gen2/3. But it looks like they used the T-10 trans for both. I don't want to change the rear end, though I'd probably beef it up with a better diff and 1-piece axles. My question: if I decide to go with a 343/360/390, and assuming I'd be changing the transmissions anyway, could I still use the older T10 torque tube setup with a newer engine? I haven't done anything with it yet, so I'm just trying to figure out the best path to go down.
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'65 Marlin (WIP)
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Buzzman72
AMC Addicted Joined: Sep/15/2009 Location: Southern IN Status: Offline Points: 2713 |
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Finding the torque tube T-10 might be the problem. They were only used in the '66 Rebel and the '66 Marlin, to the best of my knowledge.
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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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401MATCOUPE
AMC Addicted Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5368 |
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66 Classic too
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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bigbadgreen
AMC Addicted Joined: Jan/07/2009 Location: WI Status: Offline Points: 1770 |
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if you have the torque tube trans.. A spacer can be made to accommodate a later model engine.
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232jav3sp
AMC Addicted Joined: Jan/09/2013 Location: Texas Status: Offline Points: 2451 |
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A new episode of Junk Yard Gold aired last week and it was set in Hidden Valley Auto Parts, Maricopa, Az. One of the cars they showcased was a 4sp 287 Classic. The trans was still in it. To the best of my knowledge.
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