We can do the following engine conversions and more:

convert early 2.0, 2.2 and 2.4 911 T engines to E or S specs
2.4 engines into 2.7
2.7 CIS engines into E, S or 2.7RS specs, PMO, Weber or mechanical injection
2.7 to 2.9 CIS, mechanical injection, PMO or Weber carbs
3.0 SC into 3.0 or 3.2 PMO carbs or mechanical injection
3.2 Carrera into 3.2, 3.4 or 3.5 PMO carbs or mechanical injection
US 930 engines to Euro 930
3.6 964 and 993 to 3.8RS and 3.8RSR and more

convert 2.0, 2.2 or 2.4 engines into racing engines
2.4 engines into 2.5 racing engines
2.7 engines into 2.9 RSR
3.0 930 engine into 3.0 or 3.2 935-962 IMSA spec longblock
3.3 930 engine into 3.2 935-962 IMSA spec engine longblock
3.0 SC engines into 3.0 or 3.2 RSR
3.2 to 3.4 or 3.5 RSR
3.6 to 3.8 RSR and more