using bell housing to line up new engine?

[Denee007]

Hi(again!); )
My friend that rebuilt my 350 engine said I suggested to use the bell housing that's in the truck to line up the new engine. Bolt my new engine up to it and block the front up. I was going to take out the bell housing thinking it was going to sell along with the other stuff, then take out the crossmember that it's sitting on, and to be honest, I don't know how I was going to line up the new engine! The tranny guy said also that the engine needs a little angle back, like so many degrees? So ,when the day comes to weld in my engine mounts, what would you all suggest?
Against my husbands wish, I was going to buy one of the mock up engines, the long block, they only weigh 30lbs and would be easier to mock up where the engine is supposed to go.
advice?