Know of any companies which make aftermarket engin

Have a look at the following:
http://www.modelcargarage.com/mcg_main.cfm
You might find that the look of your base items (engine block and transmission) may be greatly enhanced by using some of the items in their product line. Hoses, air cleaners, carbies, alternators, oil filters, suspension, etc,etc,etc - they've And before you all go nutso, no, I don't work for the MCG. I've used a few of their detail kits and they're quite good.
If anyone else knows of other avenues to explore, lead on..............
Cheers
LeeTree

Here are 2, the first has resin Chrysler engines, the second, a white metal Chevy small block. Ross Gibson's Resin cast engines, 3315 Masthead Crescent, Dept. CM, Mississauga, Ontario, L5l 1G9. Thenother is R&D Unique, wwwRnDUnique.com. Hope these help.
Lee

Hey,

here are twoplces i use, both have good service and good quality...

http://www.perrysresin.com/

http://www.rndunique.com/rnd_main.cfm

With r&d unique, it's best to d/l there cataloge, it'sin pdf form...........

hope this helps......

here is another one......

Ross Gibson Engines......... you can order them threw Detail master

http://detailmaster.com/Merchant2/merchant.mvc?