Are there any ideas as to what would cause the leak only to happen while the motor is being reved? If the seal was damaged and or installed incorrectly, shouldn't it leak at all times? Is it possible that it's a crankcase pressure issue that is building up pressure during higher rpm's?
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi