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Old Jul 26, 2022 | 01:03 AM
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Lokiman
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Transmission/Flexplate

I am putting together a street rod running a 2004 Lincoln Aviator 4,6 DOHC. I am running a 4R70W transmission from a 4.6 truck. The Aviator came with a 5R55 transmission. My question is I have the flexplate from the Aviator. Now that I have it in I am questioning if I should have bought a flexplate for the truck transmission. It bolted up fine and I will check for the freeplay on the converter to ensure its not hard against the pump. Just trying to get other opinions. Keep the flexplate matched to the trans/torque converter?
 
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Old Aug 18, 2022 | 09:40 PM
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Originally Posted by Lokiman
I am putting together a street rod running a 2004 Lincoln Aviator 4,6 DOHC. I am running a 4R70W transmission from a 4.6 truck. The Aviator came with a 5R55 transmission. My question is I have the flexplate from the Aviator. Now that I have it in I am questioning if I should have bought a flexplate for the truck transmission. It bolted up fine and I will check for the freeplay on the converter to ensure its not hard against the pump. Just trying to get other opinions. Keep the flexplate matched to the trans/torque converter?

yes try to keep them matched
 
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