^^what he said. I followed his notes and now have an LS1-sourced T56 behind my 350 SBC in my 77 Z28. McLeod adapter, extended pilot bushing, shorter driveshaft were needed. I modified my stock crossmember as well.
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Scott from NJ
Feather-light suspension, Konis just couldn't hold
I'm so glad I took a look inside your showroom doors
Hey Mike, Thanks for posting the link to the swap info. I am about to face the same thing with my '70 Camaro and that site answered a lot of questions for me.