What is a CNC ported head and how does it help your Cummins powered tow rig or hotrod street truck? The Team at Power Driven Diesel take you step by step through the process of developing a CNC Ported Cummins 24v cylinder head using the latest software and equipment from Rottler on the EM69HP 5-axis CNC porting machine. After completing the CNC porting process, the action moves to the chassis dyno where the stock 6.7 Cummins cylinder head is tested back to back vs the CNC ported stage 2 Cummins 24v cylinder head. Todd then dissects the data carefully analyzing and comparing horsepower, boost, exhaust drive pressure, and EGT on the Borg 467 and Aggressor 476 turbos.
Order your Stage 2 Hot-Street Ported 24v Cummins Cylinder Head here: https://powerdrivendiesel.com/product/pdd-cnc-ported-street-series-5-9l-6-7l-cummins-cylinder-head-24-valve-common-rail-bundle/
Order your Stage 1 Tow-Ported 24v Cylinder Head here: https://powerdrivendiesel.com/product/power-driven-stage-1-towing-performance-cnc-ported-cylinder-head-for-03-18-cr-5-9l-6-7l-cummins/
All Power Driven Cylinder Heads available here: https://powerdrivendiesel.com/product-tag/cylinder-head/
Power Driven Diesel is a specialty performance shop engaged in the engineering and development of high-performance turbo diesel technologies.
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00:00:00 Intro
00:00:26 How we Make a CNC Ported Head
00:02:03 Making a CNC Ported Head
00:07:45 Head Swap
00:08:27 Ported VS Stock Head Aggressor 476
00:13:26 Ported Head Aggressor 476 VS Stock Head Aggressor 480
00:15:55 Ported VS Stock Head Aggressor 467
00:21:05 Ported Head Final Thoughts

