Re: Auto Trans to SM465 4 Speed Swap in '72 Blazer: Tech Help Needed
For a vintage-correct SM465 bell housing you want p/n: [GM5] 3925505 with a 5-1/8'' I.D.
This will bolt up to any same-vintage GM L6 or V8.
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Every 25 years I like to rebuild that 292, whether it needs it or not.
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