Good! I did mine completely by myself, btw, no one helped me.
Here's the source of my engine. My experience with him (so far) is that he's pretty much on the up & up. I got a used top (w/ frame) from him, too. I picked mine up at the Fedex LTL dock so it was pretty reasonable shipping.
BTW, the air jack & the tall jackstands (6 ton) are available at Harbor Freight and are definitely worth having.
This is the exact engine I am currently looking at if in fact my motor is toast. The only issue with this one is it still has the original IMS. If I do get this engine, I will replace the IMS.
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99 Boxster base
1966 912 3 gauge