Timing

So I am looking for some experienced thoughts a suggestions on initial timing and total timing. Wanting to set up timing curve. Here it is 383 stroked to 496.
383 .060 over (4.310 bore). 4.250 stroke. Trick flow max wedge 270 heads 70cc. 1.5 harland sharp rockers. Cam is custom grind. Cam lift is int.440 duration282. Exh.429 duration 286.
Valve lift int .660 duration 322
Exh .643 326 duration.
Compression is 14:1. Looking for a good starting point for initial timing and total timing @some where 2800 rpm