LS3 VS LS7 HEAD TEST-WHICH PORTED HEADS MAKE THE MOST POWER? 720+ HP 427 TEST MOTOR (FULL RESULTS)
The web is stuffed with consultants who swear they know they reply to this query, however fairly often the data you get is predicated on seat of the pants emotions, or straight concept, and whereas that’s nice there isn’t any alternative for precise dyno testing. On this one from Richard Holdener you’re going to get all the small print from the dyno the place he’s placing LS3 and LS7 heads to the take a look at in just a few totally different configurations. So in case you are debating which of them to place in your combo, you will wish to watch this.
STACK INJECTION LS TEST! WHAT HAPPENS WHEN YOU REMOVE THE PLENUM ON AN INTAKE? LS3 VS LS7-WHICH HEADS MAKE THE MOST POWER? 427 LS7 HEAD TEST-CNC-PORT LS3 VS CNC-PORTED LS7-WHO WINS? CAN PORTED TFS LS3 HEADS SUPPORT A 427 STROKER? SHOULD I UPGRADE TO LS7 HEADS ON A HIGH-HP 427 STROKER LS? WHAT IS TYH EBEST HEAD CHOICE FOR A HIGH-RPM 427 LS? WHAT HAPPENS WHEN YOU REMOVE THE PLENUM ON AN INTAKE MANIFOLD? HOW WELL DOES AN INDIVIDUAL-RUNNER MANIFOLD (STACK INJECTION) WORK ON AN LS? CHECK OUT THIS VIDEO WHERE WE COMPARED TFS 255 LS5 HEADS TO BES-PORTED LS7 HEAD ON A BTR-CAMMED 427! WE ALSO FOUND OUT WHAT HAPPENS TO POWER WHEN YOU REMOVE THE PLENUM AND THROTTLE BODY COMPLETELY!