I believe I'm experiencing some issues with my freshly-built BP. I had a shop build the bottom end, clean the top end, and assemble the head to the block. Let me give you some more information about the build before explaining the "issue".
1994 1.8L BP swapped into a 1991 (1.6L B6 electronics w/ 1.8L BP injectors, etc.)
Manly forged H-beam rods
ACL Race main and rod bearings
Boundary Engineering oil pump/gears
New head gasket
I had the head cleaned and decked (only to ensure a flat surface)
Valves were checked and seal great
New valve seals installed
Cylinder hone (ball hone)
Assembly with new parts
I've used the following break-in procedure as a guide:
Flyin' Miata : Tech : How to break in an engine
Using Pennzoil 10w30 Conventional (white bottle) oil.
What's happening is I am getting smoke when and after pulling vacuum under decel. The engine appears to be "healthy" as it has good power, but I've driven it roughly 150 miles and through 2 oil changes of the Pennzoil 10w-30 conventional oil and it is still smoking under the conditions mentioned above. I pull a max of around 28" vacuum and have about 20psi oil pressure at idle, 40-50 when driving.
Please help/explain what may be going on, and what I may be able to do to fix this.