Guest Posted February 18, 2002 Share Posted February 18, 2002 Can anybody tell me if a th400 tranny will bolt to a 501 out of a '73 Eldorado? Please help. Thanks Link to comment Share on other sites More sharing options...
NJVetteGuy Posted February 19, 2002 Share Posted February 19, 2002 The Caddy 500 engine will bolt to any Buick-Olds-Pontiac TH400. I swapped a few of these motors in the past few years and never had a problem. The Caddy 500 was used in the DeVille series cars backed up with a TH400 from the factory. That block has a lot of interchange parts(externally) with the Caddy 368 and 425 engines also. Link to comment Share on other sites More sharing options...
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