<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">At what internal temp does most meat quit taking in the smoke / good temp to transfer to oven? </div></BLOCKQUOTE>
as far as I know it doesn't stop taking on smoke. Smoke adheres to the surface of meats, so I assume it can be laid on for the entire process. IMO, a couple hours is sufficient to build up a smoke flavor.
If you go by the 3-2-1 method for spares, they are foiled after 3.