I want to try replacing my 80 300SD 3.07 with a 2.88 from a 85 300SD. Please try it and let me know how well it works!

__________________
1980 300SD Manganese Brown Metallic Clearcoat 248k
1979 300SD White 148 k
1984 300D Silver project car for daughter
1982 300D wrecked
1980 300SD 310K not running