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10-08-2012, 09:56 PM #1New Member
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70 challenger transmission crossmember interchange
I need a transmission crossmember for my 70 challenger 383/auto. Are small block & big block the same? How about sticks & automatics? Are there other year/model mopars that have the same crossmember? Thanks this is a great website.
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10-08-2012, 11:09 PM #2New Member
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Not sure if this will help you, but I just dumped a 440 and 4-speed in where a 318 and 904 Auto was. Used the Same crossmember and mount for the trans so I'd say SB and BB are the same.
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10-09-2012, 09:19 PM #3Senior Member
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70, 71 and 72 will fit but there are some differences mostly cosmetic between the 70-71 and 72. 73 or 74 will not fit a 70
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10-09-2012, 09:46 PM #4Senior Member
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yes any crossmember will fit all engine & trans combos But as stated above the spacing & position changes , 70 being unique as always LOL
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