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'73 - '87 GM Truck Modifications
Transmission & Transfer Case
Automatic Transmission
What is the best fluid to run in an original TH400? (No synthetic please / No Type F please) -
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'73 - '87 GM Truck Modifications
Transmission & Transfer Case
Automatic Transmission
What is the best fluid to run in an original TH400? (No synthetic please / No Type F please) -
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