Why did you buy a new engine?
www.car-part.com is a National Wrecker search to find parts...
Here are the bottom 4 examples that you could have had delivered... Anyway too late now. Maybe somebody searching for an engine down the road will see this post.
1997
Engine
Porsche Boxster OD05210 $4000 Mid Island Auto Parts, Inc. USA-NY(Deer-Park) E-mail 1-800-414-9726
1999
Engine
Porsche Boxster 2.5 AT EXCHANGE 1000CORE 28,000 05582A $3800 Diamond Auto Parts - QRP Partner USA-WI(Fond-duLac) E-mail 1-800-236-7731
1998
Engine
Porsche Boxster (2.5L, M96.20)- 34K MI GOOD A26051 $3700 Mazda Porsche Parts USA-CA(Rancho-Cordova) E-mail 1-800-699-2664
1997
Engine
Porsche Boxster 2.5L,EFI,RUNS GOOD,GET CORE,Note 100,230 A EE028 $3500 Fann's Auto Parts USA-TN(Manchester) E-mail 1-800-423-1726
1998
Engine
Porsche Boxster 99k RAN GOOD 99,000 CAI1008 $2890 Cunningham Brothers Auto Parts - PRP, PRP-MA USA-VA(Rustburg) E-mail 1-800-828-0707
1997
Engine
Porsche Boxster (6-151) -@85K BURN LESS ACCESS N0192 $1801 Auto Parts of Shelby -PRP USA-NC(Shelby) Request_Quote 1-888-597-7278 Request_Insurance_Quote
1997
Engine
Porsche Boxster -@50K SHORT BLOCK 500 CORE M0650 $1301 Auto Parts of Shelby -PRP USA-NC(Shelby) Request_Quote 1-888-597-7278 Request_Insurance_Quote